diff --git a/.clang-format b/.clang-format
index 131d319..5c55287 100755
--- a/.clang-format
+++ b/.clang-format
@@ -253,7 +253,7 @@ PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 120
 
 # 指针和引用的对齐: Left, Right, Middle
-PointerAlignment: Left
+PointerAlignment: Right
 
 # 允许重新排版注释
 ReflowComments: true
diff --git a/C01-绪论/基本概念-编程注意问题/a.c b/C01-绪论/基本概念-编程注意问题/a.c
index eb0b30c..f286fa3 100644
--- a/C01-绪论/基本概念-编程注意问题/a.c
+++ b/C01-绪论/基本概念-编程注意问题/a.c
@@ -5,7 +5,7 @@
 
 int main( )
 {
-    FILE* fp;
+    FILE *fp;
 
     fp = fopen("tmp", "r");
     if (fp == NULL)
diff --git a/C01-绪论/基本概念-编程注意问题/hello.c b/C01-绪论/基本概念-编程注意问题/hello.c
index f64815d..a7b1b82 100644
--- a/C01-绪论/基本概念-编程注意问题/hello.c
+++ b/C01-绪论/基本概念-编程注意问题/hello.c
@@ -2,9 +2,9 @@
 
 int main(void)
 {
-    int* p = NULL;
+    int *p = NULL;
     int  i;
-    p = (int*)malloc(sizeof(int));
+    p = (int *)malloc(sizeof(int));
     if (p == NULL)
         return -1;
     printf("Hello world!\n");
diff --git a/C06-指针/arr.c b/C06-指针/arr.c
index 55ab059..3c51495 100644
--- a/C06-指针/arr.c
+++ b/C06-指针/arr.c
@@ -11,7 +11,7 @@ int main( )
 
     int  a[] = {5, 1, 7, 2, 8, 3};
     int  y;
-    int* p = &a[1];
+    int *p = &a[1];
 
     y = (*--p)++;
 
diff --git a/C06-指针/chararr.c b/C06-指针/chararr.c
index 29f223b..251f0c5 100644
--- a/C06-指针/chararr.c
+++ b/C06-指针/chararr.c
@@ -5,7 +5,7 @@
 int main( )
 {
 
-    char* str = "hello";
+    char *str = "hello";
 
     printf("%d %d\n", sizeof(str), strlen(str));
     // out: 8 5
diff --git a/C06-指针/const.c b/C06-指针/const.c
index 7d4e7a9..bbf9167 100644
--- a/C06-指针/const.c
+++ b/C06-指针/const.c
@@ -23,7 +23,7 @@ int main( )
     int i = 1;
     int j = 100;
 
-    const int* const p = &i;
+    const int *const p = &i;
 
     //(F) p = &j;
 
diff --git a/C06-指针/douarr.c b/C06-指针/douarr.c
index d9324d1..672d6fc 100644
--- a/C06-指针/douarr.c
+++ b/C06-指针/douarr.c
@@ -7,7 +7,7 @@ int main( )
 {
     int  a[2][3] = {1, 2, 3, 4, 5, 6};
     int  i, j;
-    int* p     = *a;
+    int *p     = *a;
     int(*q)[3] = a;
 
 
diff --git a/C06-指针/point.c b/C06-指针/point.c
index 067d6a8..512d480 100644
--- a/C06-指针/point.c
+++ b/C06-指针/point.c
@@ -7,12 +7,12 @@ int main( )
 {
     int i = 1;
 
-    int* p = &i;
+    int *p = &i;
     // 相当于
     // int *p;
     // p = &i;
 
-    int** q = &p;
+    int **q = &p;
 
     printf("i = %d\n", i);
     printf("&i = %d\n", &i);
diff --git a/C06-指针/point1.c b/C06-指针/point1.c
index d2ef796..4d66201 100644
--- a/C06-指针/point1.c
+++ b/C06-指针/point1.c
@@ -3,7 +3,7 @@
 
 int main( )
 {
-    int* p;
+    int *p;
 
     *p = 1;
 
diff --git a/C06-指针/point_arr.c b/C06-指针/point_arr.c
index 3893ad7..b2fc006 100644
--- a/C06-指针/point_arr.c
+++ b/C06-指针/point_arr.c
@@ -5,10 +5,10 @@
 
 int main( )
 {
-    char* name[5] = {"Follow me", "Basic", "Great", "Fortran", "Computer"};
+    char *name[5] = {"Follow me", "Basic", "Great", "Fortran", "Computer"};
     // 指针数组
     int   i, j, k;
-    char* tmp;
+    char *tmp;
 
     for (i = 0; i < 5 - 1; i++)
     {
diff --git a/C07-函数/arr.c b/C07-函数/arr.c
index 244ecd0..e807c7f 100644
--- a/C07-函数/arr.c
+++ b/C07-函数/arr.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-void print_arr(int* p, int size)
+void print_arr(int *p, int size)
 {
     int i;
     printf("%s:%d\n", __FUNCTION__, sizeof(p));
@@ -13,9 +13,9 @@ void print_arr(int* p, int size)
 }
 
 
-void func(int* p, int size)
+void func(int *p, int size)
 {
-    int* tmp;
+    int *tmp;
 
     for (int i = 0; i < size / 2; i++)
     {
diff --git a/C07-函数/chararr.c b/C07-函数/chararr.c
index ef4c4a7..e69a78d 100644
--- a/C07-函数/chararr.c
+++ b/C07-函数/chararr.c
@@ -2,9 +2,9 @@
 #include <stdlib.h>
 
 
-char* mystrcpy(char* dest, const char* src)
+char *mystrcpy(char *dest, const char *src)
 {
-    char* ret = dest;
+    char *ret = dest;
     if (NULL != dest && NULL != src)
         while ((*dest++ = *src++) != '\0')
             ;
@@ -12,7 +12,7 @@ char* mystrcpy(char* dest, const char* src)
     return ret;
 }
 
-char* mystrncpy(char* dest, const char* src, size_t n)
+char *mystrncpy(char *dest, const char *src, size_t n)
 {
     int i;
     for (i = 0; i < n && (dest[i] = src[i]); i++)
diff --git a/C07-函数/douarr.c b/C07-函数/douarr.c
index 1517474..216eb1d 100644
--- a/C07-函数/douarr.c
+++ b/C07-函数/douarr.c
@@ -4,7 +4,7 @@
 #define M 3
 #define N 4
 
-void print_douarr(int* p, int n)
+void print_douarr(int *p, int n)
 {
     int i, j;
 
@@ -33,7 +33,7 @@ void print_douarr1(int (*p)[N], int m, int n)
     }
 }
 
-float average_score(int* p, int n)
+float average_score(int *p, int n)
 {
     float sum = 0;
 
@@ -57,7 +57,7 @@ void find_num(int (*p)[N], int num)
 }
 #endif
 
-int* find_num(int (*p)[N], int num)
+int *find_num(int (*p)[N], int num)
 {
     if (num > M - 1)
         return NULL;
@@ -76,7 +76,7 @@ int main( )
 
     // find_num(a, 2);
 
-    int* res;
+    int *res;
 
     res = find_num(a, 2);
     if (NULL != res)
diff --git a/C07-函数/main.c b/C07-函数/main.c
index 9a205c4..b5498f8 100644
--- a/C07-函数/main.c
+++ b/C07-函数/main.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char* argv[])
+int main(int argc, char *argv[])
 {
 
     printf("argc = %d\n", argc);
diff --git a/C07-函数/swap.c b/C07-函数/swap.c
index 9c22575..82895f8 100644
--- a/C07-函数/swap.c
+++ b/C07-函数/swap.c
@@ -18,7 +18,7 @@ int print_value(int a, int b)
 //     j   = tmp;
 // }
 
-void swap(int* p, int* q)
+void swap(int *p, int *q)
 {
     int tmp;
 
diff --git a/C08-构造类型/struct1.c b/C08-构造类型/struct1.c
index 81ec7d9..80afca7 100644
--- a/C08-构造类型/struct1.c
+++ b/C08-构造类型/struct1.c
@@ -40,7 +40,7 @@ struct student_st
 };
 
 
-void func(struct simp_st* b)
+void func(struct simp_st *b)
 {
     printf("%d\n", sizeof(b));
 }
@@ -51,7 +51,7 @@ int main( )
 
 
     struct simp_st  a;
-    struct simp_st* p = &a;
+    struct simp_st *p = &a;
 
     // func(a);
 
diff --git a/C09-动态内存管理/arr.c b/C09-动态内存管理/arr.c
index 289750a..784d1a0 100644
--- a/C09-动态内存管理/arr.c
+++ b/C09-动态内存管理/arr.c
@@ -3,7 +3,7 @@
 
 int main( )
 {
-    int* p;
+    int *p;
     int  num = 5;
 
     p = malloc(sizeof(int) * num);
diff --git a/C09-动态内存管理/malloc.c b/C09-动态内存管理/malloc.c
index 0b65201..797053c 100644
--- a/C09-动态内存管理/malloc.c
+++ b/C09-动态内存管理/malloc.c
@@ -3,7 +3,7 @@
 
 int main( )
 {
-    int* p = NULL;
+    int *p = NULL;
 
     p = malloc(sizeof(int));
     if (NULL == p)
diff --git a/C09-动态内存管理/test.c b/C09-动态内存管理/test.c
index 4c67038..167519f 100644
--- a/C09-动态内存管理/test.c
+++ b/C09-动态内存管理/test.c
@@ -11,7 +11,7 @@
 //     return;
 // }
 
-void* func(int* p, int n)
+void *func(int *p, int n)
 {
     p = malloc(n);
 
@@ -24,7 +24,7 @@ void* func(int* p, int n)
 int main( )
 {
     int  num = 100;
-    int* p   = NULL;
+    int *p   = NULL;
 
     // func(&p, num);
 
diff --git a/C11-数据结构/ds/line/ball_clock/main.c b/C11-数据结构/ds/line/ball_clock/main.c
index 433866b..432b4e0 100644
--- a/C11-数据结构/ds/line/ball_clock/main.c
+++ b/C11-数据结构/ds/line/ball_clock/main.c
@@ -16,7 +16,7 @@
 
 #define NR_BALL 27
 
-int check(queue* qu)
+int check(queue *qu)
 {
     int i = (qu->head + 1) % MAXSIZE;
 
@@ -33,7 +33,7 @@ int check(queue* qu)
 int main( )
 {
     int      i;
-    queue*   qu;
+    queue   *qu;
     int      t, value;
     int      time;
     sqstack *st_min, *st_fivemin, *st_hour;
diff --git a/C11-数据结构/ds/line/ball_clock/queue.c b/C11-数据结构/ds/line/ball_clock/queue.c
index eb02246..3e21fe9 100644
--- a/C11-数据结构/ds/line/ball_clock/queue.c
+++ b/C11-数据结构/ds/line/ball_clock/queue.c
@@ -4,9 +4,9 @@
 #include "queue.h"
 
 
-queue* qu_create( )
+queue *qu_create( )
 {
-    queue* sq;
+    queue *sq;
 
     sq = malloc(sizeof(*sq));
     if (NULL == sq)
@@ -18,12 +18,12 @@ queue* qu_create( )
     return sq;
 }
 
-int qu_isempty(queue* sq)
+int qu_isempty(queue *sq)
 {
     return (sq->head == sq->tail);
 }
 
-int qu_enqueue(queue* sq, datatype* x)
+int qu_enqueue(queue *sq, datatype *x)
 {
     if ((sq->tail + 1) % MAXSIZE == sq->head)
         return -1;
@@ -34,7 +34,7 @@ int qu_enqueue(queue* sq, datatype* x)
     return 0;
 }
 
-int qu_dequeue(queue* sq, datatype* x)
+int qu_dequeue(queue *sq, datatype *x)
 {
     if (qu_isempty(sq))
         return -1;
@@ -45,7 +45,7 @@ int qu_dequeue(queue* sq, datatype* x)
     return 0;
 }
 
-void qu_travel(queue* sq)
+void qu_travel(queue *sq)
 {
     if (sq->head == sq->tail)
         return;
@@ -61,12 +61,12 @@ void qu_travel(queue* sq)
     printf("%d \n", sq->data[i]);
 }
 
-void qu_clear(queue* sq)
+void qu_clear(queue *sq)
 {
     sq->head = sq->tail;
 }
 
-void qu_destroy(queue* sq)
+void qu_destroy(queue *sq)
 {
     free(sq);
 }
diff --git a/C11-数据结构/ds/line/ball_clock/queue.h b/C11-数据结构/ds/line/ball_clock/queue.h
index 6f143a5..b7cf060 100644
--- a/C11-数据结构/ds/line/ball_clock/queue.h
+++ b/C11-数据结构/ds/line/ball_clock/queue.h
@@ -12,18 +12,18 @@ typedef struct
 } queue;
 
 
-queue* qu_create( );
+queue *qu_create( );
 
 int qu_isempty( );
 
-int qu_enqueue(queue*, datatype*);
+int qu_enqueue(queue *, datatype *);
 
-int qu_dequeue(queue*, datatype*);
+int qu_dequeue(queue *, datatype *);
 
-void qu_travel(queue*);
+void qu_travel(queue *);
 
-void qu_clear(queue*);
+void qu_clear(queue *);
 
-void qu_destroy(queue*);
+void qu_destroy(queue *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/ball_clock/sqstack.c b/C11-数据结构/ds/line/ball_clock/sqstack.c
index b0d07ee..5f2f8f4 100644
--- a/C11-数据结构/ds/line/ball_clock/sqstack.c
+++ b/C11-数据结构/ds/line/ball_clock/sqstack.c
@@ -3,9 +3,9 @@
 
 #include "sqstack.h"
 
-sqstack* st_create(void)
+sqstack *st_create(void)
 {
-    sqstack* st;
+    sqstack *st;
 
     st = malloc(sizeof(*st));
     if (NULL == st)
@@ -16,12 +16,12 @@ sqstack* st_create(void)
     return st;
 }
 
-int st_isempty(sqstack* st)
+int st_isempty(sqstack *st)
 {
     return (-1 == st->top);
 }
 
-int st_push(sqstack* st, type* data)
+int st_push(sqstack *st, type *data)
 {
     if (SIZE - 1 == st->top)
         return -1;
@@ -32,7 +32,7 @@ int st_push(sqstack* st, type* data)
 }
 
 /* 取出栈顶元素 */
-int st_pop(sqstack* st, type* data)
+int st_pop(sqstack *st, type *data)
 {
     if (st_isempty(st))
         return -1;
@@ -44,7 +44,7 @@ int st_pop(sqstack* st, type* data)
 
 
 /* 查看栈顶元素 */
-int st_top(sqstack* st, type* data)
+int st_top(sqstack *st, type *data)
 {
     if (st_isempty(st))
         return -1;
@@ -54,7 +54,7 @@ int st_top(sqstack* st, type* data)
     return 0;
 }
 
-void st_travel(sqstack* st)
+void st_travel(sqstack *st)
 {
     if (st_isempty(st))
         return;
@@ -66,7 +66,7 @@ void st_travel(sqstack* st)
     printf("\n");
 }
 
-void st_destroy(sqstack* st)
+void st_destroy(sqstack *st)
 {
     free(st);
 }
diff --git a/C11-数据结构/ds/line/ball_clock/sqstack.h b/C11-数据结构/ds/line/ball_clock/sqstack.h
index bccd38a..9ed979f 100644
--- a/C11-数据结构/ds/line/ball_clock/sqstack.h
+++ b/C11-数据结构/ds/line/ball_clock/sqstack.h
@@ -11,20 +11,20 @@ typedef struct node_st
     int  top;
 } sqstack;
 
-sqstack* st_create(void);
+sqstack *st_create(void);
 
-int st_isempty(sqstack*);
+int st_isempty(sqstack *);
 
-int st_push(sqstack*, type*);
+int st_push(sqstack *, type *);
 
 /* 取出栈顶元素 */
-int st_pop(sqstack*, type*);
+int st_pop(sqstack *, type *);
 
 /* 查看栈顶元素 */
-int st_top(sqstack*, type*);
+int st_top(sqstack *, type *);
 
-void st_travel(sqstack*);
+void st_travel(sqstack *);
 
-void st_destroy(sqstack*);
+void st_destroy(sqstack *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/compute/main.c b/C11-数据结构/ds/line/compute/main.c
index 0c3ae05..39eac3e 100644
--- a/C11-数据结构/ds/line/compute/main.c
+++ b/C11-数据结构/ds/line/compute/main.c
@@ -6,7 +6,7 @@
 // !!! 课程不完整，程序未写完
 // TODO: snum和sop需要不同的datatype
 
-static void compute(sqstack* snum, int* op)
+static void compute(sqstack *snum, int *op)
 {
     datatype n1, n2, n;
 
@@ -25,7 +25,7 @@ static void compute(sqstack* snum, int* op)
     st_push(snum, &n);
 }
 
-static deal_bracket(sqstack* snum, sqstack* sop)
+static deal_bracket(sqstack *snum, sqstack *sop)
 {
     datatype old_op;
 
@@ -54,7 +54,7 @@ static int get_pri(int op)
 }
 
 
-static void deal_op(sqstack* snum, sqstack* sop, char op)
+static void deal_op(sqstack *snum, sqstack *sop, char op)
 {
     datatype old_op;
 
diff --git a/C11-数据结构/ds/line/compute/sqstack.c b/C11-数据结构/ds/line/compute/sqstack.c
index 75ad982..d10927d 100644
--- a/C11-数据结构/ds/line/compute/sqstack.c
+++ b/C11-数据结构/ds/line/compute/sqstack.c
@@ -3,9 +3,9 @@
 
 #include "sqstack.h"
 
-sqstack* st_create(void)
+sqstack *st_create(void)
 {
-    sqstack* st;
+    sqstack *st;
 
     st = malloc(sizeof(*st));
     if (NULL == st)
@@ -16,12 +16,12 @@ sqstack* st_create(void)
     return st;
 }
 
-int st_isempty(sqstack* st)
+int st_isempty(sqstack *st)
 {
     return (-1 == st->top);
 }
 
-int st_push(sqstack* st, datatype* data)
+int st_push(sqstack *st, datatype *data)
 {
     if (MAXSIZE - 1 == st->top)
         return -1;
@@ -32,7 +32,7 @@ int st_push(sqstack* st, datatype* data)
 }
 
 /* 取出栈顶元素 */
-int st_pop(sqstack* st, datatype* data)
+int st_pop(sqstack *st, datatype *data)
 {
     if (st_isempty(st))
         return -1;
@@ -44,7 +44,7 @@ int st_pop(sqstack* st, datatype* data)
 
 
 /* 查看栈顶元素 */
-int st_top(sqstack* st, datatype* data)
+int st_top(sqstack *st, datatype *data)
 {
     if (st_isempty(st))
         return -1;
@@ -54,7 +54,7 @@ int st_top(sqstack* st, datatype* data)
     return 0;
 }
 
-void st_travel(sqstack* st)
+void st_travel(sqstack *st)
 {
     if (st_isempty(st))
         return;
@@ -66,7 +66,7 @@ void st_travel(sqstack* st)
     printf("\n");
 }
 
-void st_destroy(sqstack* st)
+void st_destroy(sqstack *st)
 {
     free(st);
 }
diff --git a/C11-数据结构/ds/line/compute/sqstack.h b/C11-数据结构/ds/line/compute/sqstack.h
index 9e6d6c2..abaf63a 100644
--- a/C11-数据结构/ds/line/compute/sqstack.h
+++ b/C11-数据结构/ds/line/compute/sqstack.h
@@ -11,20 +11,20 @@ typedef struct node_st
     int      top;
 } sqstack;
 
-sqstack* st_create(void);
+sqstack *st_create(void);
 
-int st_isempty(sqstack*);
+int st_isempty(sqstack *);
 
-int st_push(sqstack*, datatype*);
+int st_push(sqstack *, datatype *);
 
 /* 取出栈顶元素 */
-int st_pop(sqstack*, datatype*);
+int st_pop(sqstack *, datatype *);
 
 /* 查看栈顶元素 */
-int st_top(sqstack*, datatype*);
+int st_top(sqstack *, datatype *);
 
-void st_travel(sqstack*);
+void st_travel(sqstack *);
 
-void st_destroy(sqstack*);
+void st_destroy(sqstack *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/list/arr/main.c b/C11-数据结构/ds/line/list/arr/main.c
index a995aa2..e76db00 100644
--- a/C11-数据结构/ds/line/list/arr/main.c
+++ b/C11-数据结构/ds/line/list/arr/main.c
@@ -5,8 +5,8 @@
 
 int main( )
 {
-    sqlist* list  = NULL;
-    sqlist* list1 = NULL;
+    sqlist *list  = NULL;
+    sqlist *list1 = NULL;
 
     datatype arr[]  = {12, 23, 34, 45, 56};
     datatype arr1[] = {89, 90, 78, 67, 56, 43};
diff --git a/C11-数据结构/ds/line/list/arr/sqlist.c b/C11-数据结构/ds/line/list/arr/sqlist.c
index 3e554f3..cf73532 100644
--- a/C11-数据结构/ds/line/list/arr/sqlist.c
+++ b/C11-数据结构/ds/line/list/arr/sqlist.c
@@ -3,9 +3,9 @@
 
 #include "sqlist.h"
 
-sqlist* sqlist_create( )
+sqlist *sqlist_create( )
 {
-    sqlist* me;
+    sqlist *me;
 
     me = malloc(sizeof(*me));
     if (NULL == me)
@@ -16,7 +16,7 @@ sqlist* sqlist_create( )
     return me;
 }
 
-void sqlist_create1(sqlist** ptr)
+void sqlist_create1(sqlist **ptr)
 {
     *ptr = malloc(sizeof(**ptr));
     if (NULL == *ptr)
@@ -26,7 +26,7 @@ void sqlist_create1(sqlist** ptr)
     return;
 }
 
-int sqlist_insert(sqlist* me, int i, datatype* data)
+int sqlist_insert(sqlist *me, int i, datatype *data)
 {
     int j;
 
@@ -48,7 +48,7 @@ int sqlist_insert(sqlist* me, int i, datatype* data)
     return 0;
 }
 
-int sqlist_delete(sqlist* me, int i)
+int sqlist_delete(sqlist *me, int i)
 {
     int j;
 
@@ -65,7 +65,7 @@ int sqlist_delete(sqlist* me, int i)
     return 0;
 }
 
-int sqlist_find(sqlist* me, datatype* data)
+int sqlist_find(sqlist *me, datatype *data)
 {
     if (0 == sqlist_isempty(me))
         return -1;
@@ -79,25 +79,25 @@ int sqlist_find(sqlist* me, datatype* data)
     return -2;
 }
 
-int sqlist_isempty(sqlist* me)
+int sqlist_isempty(sqlist *me)
 {
     if (-1 == me->last)
         return 0;
     return -1;
 }
 
-int sqlist_setempty(sqlist* me)
+int sqlist_setempty(sqlist *me)
 {
     me->last = -1;
     return 0;
 }
 
-int sqlist_getnum(sqlist* me)
+int sqlist_getnum(sqlist *me)
 {
     return me->last + 1;
 }
 
-void sqlist_display(sqlist* me)
+void sqlist_display(sqlist *me)
 {
     if (-1 == me->last)
         return;
@@ -108,13 +108,13 @@ void sqlist_display(sqlist* me)
     printf("\n");
 }
 
-int sqlist_destroy(sqlist* me)
+int sqlist_destroy(sqlist *me)
 {
     free(me);
     return 0;
 }
 
-int sqlist_union(sqlist* list1, sqlist* list2)
+int sqlist_union(sqlist *list1, sqlist *list2)
 {
     // list1 -> 12 23 34 45 56
     // list2 -> 78 89 56 23 10
diff --git a/C11-数据结构/ds/line/list/arr/sqlist.h b/C11-数据结构/ds/line/list/arr/sqlist.h
index 868c5c1..6cabda4 100644
--- a/C11-数据结构/ds/line/list/arr/sqlist.h
+++ b/C11-数据结构/ds/line/list/arr/sqlist.h
@@ -11,26 +11,26 @@ typedef struct node_st
     int      last;
 } sqlist;
 
-sqlist* sqlist_create( );
-void    sqlist_create1(sqlist** me);
+sqlist *sqlist_create( );
+void    sqlist_create1(sqlist **me);
 
-int sqlist_insert(sqlist*, int i, datatype* data);
+int sqlist_insert(sqlist *, int i, datatype *data);
 
-int sqlist_delete(sqlist*, int i);
+int sqlist_delete(sqlist *, int i);
 
-int sqlist_find(sqlist*, datatype* data);
+int sqlist_find(sqlist *, datatype *data);
 
-int sqlist_isempty(sqlist*);
+int sqlist_isempty(sqlist *);
 
-int sqlist_setempty(sqlist*);
+int sqlist_setempty(sqlist *);
 
-int sqlist_getnum(sqlist*);
+int sqlist_getnum(sqlist *);
 
-void sqlist_display(sqlist*);
+void sqlist_display(sqlist *);
 
-int sqlist_destroy(sqlist*);
+int sqlist_destroy(sqlist *);
 
-int sqlist_union(sqlist*, sqlist*);
+int sqlist_union(sqlist *, sqlist *);
 
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/list/linklist/double/kernel/list.h b/C11-数据结构/ds/line/list/linklist/double/kernel/list.h
index 0fcf875..1d87fe2 100644
--- a/C11-数据结构/ds/line/list/linklist/double/kernel/list.h
+++ b/C11-数据结构/ds/line/list/linklist/double/kernel/list.h
@@ -3,8 +3,8 @@
 
 struct list_head
 {
-    struct list_head* prev;
-    struct list_head* next;
+    struct list_head *prev;
+    struct list_head *next;
 };
 
 #define LIST_HEAD_INIT(name) \
@@ -14,9 +14,9 @@ struct list_head
 
 #define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)
 
-static inline void __list_add(struct list_head* new,
-                              struct list_head* prev,
-                              struct list_head* next)
+static inline void __list_add(struct list_head *new,
+                              struct list_head *prev,
+                              struct list_head *next)
 {
     next->prev = new;
     new->next  = next;
@@ -24,7 +24,7 @@ static inline void __list_add(struct list_head* new,
     prev->next = new;
 }
 
-static inline void list_add(struct list_head* new, struct list_head* head)
+static inline void list_add(struct list_head *new, struct list_head *head)
 {
     __list_add(new, head, head->next);
 }
@@ -43,12 +43,12 @@ static inline void list_add(struct list_head* new, struct list_head* head)
  *
  */
 
-#define offsetof(TYPE, MEMBER) ((size_t) & ((TYPE*)0)->MEMBER)
+#define offsetof(TYPE, MEMBER) ((size_t) & ((TYPE *)0)->MEMBER)
 
-#define container_of(ptr, type, member)                   \
-    ({                                                    \
-        const typeof(((type*)0)->member)* __mptr = (ptr); \
-        (type*)((char*)__mptr - offsetof(type, member));  \
+#define container_of(ptr, type, member)                    \
+    ({                                                     \
+        const typeof(((type *)0)->member) *__mptr = (ptr); \
+        (type *)((char *)__mptr - offsetof(type, member)); \
     })
 
 #define list_entry(ptr, type, member) container_of(ptr, type, member)
diff --git a/C11-数据结构/ds/line/list/linklist/double/kernel/main.c b/C11-数据结构/ds/line/list/linklist/double/kernel/main.c
index 5f9999e..27cff7d 100644
--- a/C11-数据结构/ds/line/list/linklist/double/kernel/main.c
+++ b/C11-数据结构/ds/line/list/linklist/double/kernel/main.c
@@ -14,7 +14,7 @@ struct score_st
     int              chinese;
 };
 
-static void print_s(struct score_st* d)
+static void print_s(struct score_st *d)
 {
     printf("%d %s %d %d \n", d->id, d->name, d->math, d->chinese);
 }
@@ -22,8 +22,8 @@ static void print_s(struct score_st* d)
 int main( )
 {
     int               i;
-    struct score_st*  datap;
-    struct list_head* cur;
+    struct score_st  *datap;
+    struct list_head *cur;
 
     LIST_HEAD(head);
 
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib1/llist.c b/C11-数据结构/ds/line/list/linklist/double/lib1/llist.c
index e7ee737..2ec3aed 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib1/llist.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib1/llist.c
@@ -4,9 +4,9 @@
 
 #include "llist.h"
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    LLIST* new;
+    LLIST *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -20,9 +20,9 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* ptr, const void* data, int mode)
+int llist_insert(LLIST *ptr, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
+    struct llist_node_st *newnode;
 
     newnode = malloc(sizeof(*newnode));
     if (NULL == newnode)
@@ -56,9 +56,9 @@ int llist_insert(LLIST* ptr, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
+static struct llist_node_st *find_(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -69,14 +69,14 @@ static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
     return find_(ptr, key, cmp)->data;
 }
 
-int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -91,9 +91,9 @@ int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *ptr, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -111,15 +111,15 @@ int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* ptr, llist_op* op)
+void llist_travel(LLIST *ptr, llist_op *op)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* ptr)
+void llist_destroy(LLIST *ptr)
 {
     struct llist_node_st *cur, *next;
 
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib1/llist.h b/C11-数据结构/ds/line/list/linklist/double/lib1/llist.h
index ac917a3..25178a9 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib1/llist.h
+++ b/C11-数据结构/ds/line/list/linklist/double/lib1/llist.h
@@ -6,9 +6,9 @@
 
 struct llist_node_st
 {
-    void*                 data;
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    void                 *data;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
 };
 
 typedef struct
@@ -17,21 +17,21 @@ typedef struct
     struct llist_node_st head;
 } LLIST;
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-int llist_insert(LLIST* ptr, const void* data, int mode);
+int llist_insert(LLIST *ptr, const void *data, int mode);
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp*);
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *);
 
-int llist_delete(LLIST*, const void* key, llist_cmp*);
+int llist_delete(LLIST *, const void *key, llist_cmp *);
 
-int llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
+int llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
 
-void llist_travel(LLIST* ptr, llist_op* op);
+void llist_travel(LLIST *ptr, llist_op *op);
 
-void llist_destroy(LLIST* ptr);
+void llist_destroy(LLIST *ptr);
 
 #endif
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib1/main.c b/C11-数据结构/ds/line/list/linklist/double/lib1/main.c
index caf4f81..a9b18b8 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib1/main.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib1/main.c
@@ -14,25 +14,25 @@ struct score_st
     int  chinese;
 };
 
-void print_s(const void* record)
+void print_s(const void *record)
 {
-    const struct score_st* r = record;
+    const struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
-int id_cmp(const void* key, const void* record)
+int id_cmp(const void *key, const void *record)
 {
-    const int*             k = key;
-    const struct score_st* r = record;
+    const int             *k = key;
+    const struct score_st *r = record;
 
     return (*k - r->id);
 }
 
-int name_cmp(const void* key, const void* record)
+int name_cmp(const void *key, const void *record)
 {
-    const char*            k = key;
-    const struct score_st* r = record;
+    const char            *k = key;
+    const struct score_st *r = record;
 
     return strcmp(k, r->name);
 }
@@ -40,7 +40,7 @@ int name_cmp(const void* key, const void* record)
 
 int main( )
 {
-    LLIST*          handler;
+    LLIST          *handler;
     int             i, ret;
     struct score_st tmp;
 
@@ -65,7 +65,7 @@ int main( )
     printf("\n\n");
 
     // int id = 3;
-    char* del_name = "std6";
+    char *del_name = "std6";
 
     // ret = llist_delete(handler, &id, id_cmp);
     ret = llist_delete(handler, del_name, name_cmp);
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib2/llist.c b/C11-数据结构/ds/line/list/linklist/double/lib2/llist.c
index e2ec700..1190181 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib2/llist.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib2/llist.c
@@ -4,9 +4,9 @@
 
 #include "llist.h"
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    LLIST* new;
+    LLIST *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -19,9 +19,9 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* ptr, const void* data, int mode)
+int llist_insert(LLIST *ptr, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
+    struct llist_node_st *newnode;
 
     newnode = malloc(sizeof(*newnode) + ptr->size);   // -4
     if (NULL == newnode)
@@ -51,9 +51,9 @@ int llist_insert(LLIST* ptr, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
+static struct llist_node_st *find_(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -64,9 +64,9 @@ static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
         return NULL;
@@ -74,9 +74,9 @@ void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
     return node->data;
 }
 
-int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -89,9 +89,9 @@ int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *ptr, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -108,15 +108,15 @@ int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* ptr, llist_op* op)
+void llist_travel(LLIST *ptr, llist_op *op)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* ptr)
+void llist_destroy(LLIST *ptr)
 {
     struct llist_node_st *cur, *next;
 
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib2/llist.h b/C11-数据结构/ds/line/list/linklist/double/lib2/llist.h
index 53b6a8c..48457e4 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib2/llist.h
+++ b/C11-数据结构/ds/line/list/linklist/double/lib2/llist.h
@@ -7,8 +7,8 @@
 // !!! 变长结构体
 struct llist_node_st
 {
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
     // data要放在最后
     char data[1];   // 占位符，数据的起始。C99才只是[0]
 };
@@ -19,21 +19,21 @@ typedef struct
     struct llist_node_st head;
 } LLIST;
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-int llist_insert(LLIST* ptr, const void* data, int mode);
+int llist_insert(LLIST *ptr, const void *data, int mode);
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp*);
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *);
 
-int llist_delete(LLIST*, const void* key, llist_cmp*);
+int llist_delete(LLIST *, const void *key, llist_cmp *);
 
-int llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
+int llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
 
-void llist_travel(LLIST* ptr, llist_op* op);
+void llist_travel(LLIST *ptr, llist_op *op);
 
-void llist_destroy(LLIST* ptr);
+void llist_destroy(LLIST *ptr);
 
 #endif
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib2/main.c b/C11-数据结构/ds/line/list/linklist/double/lib2/main.c
index caf4f81..a9b18b8 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib2/main.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib2/main.c
@@ -14,25 +14,25 @@ struct score_st
     int  chinese;
 };
 
-void print_s(const void* record)
+void print_s(const void *record)
 {
-    const struct score_st* r = record;
+    const struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
-int id_cmp(const void* key, const void* record)
+int id_cmp(const void *key, const void *record)
 {
-    const int*             k = key;
-    const struct score_st* r = record;
+    const int             *k = key;
+    const struct score_st *r = record;
 
     return (*k - r->id);
 }
 
-int name_cmp(const void* key, const void* record)
+int name_cmp(const void *key, const void *record)
 {
-    const char*            k = key;
-    const struct score_st* r = record;
+    const char            *k = key;
+    const struct score_st *r = record;
 
     return strcmp(k, r->name);
 }
@@ -40,7 +40,7 @@ int name_cmp(const void* key, const void* record)
 
 int main( )
 {
-    LLIST*          handler;
+    LLIST          *handler;
     int             i, ret;
     struct score_st tmp;
 
@@ -65,7 +65,7 @@ int main( )
     printf("\n\n");
 
     // int id = 3;
-    char* del_name = "std6";
+    char *del_name = "std6";
 
     // ret = llist_delete(handler, &id, id_cmp);
     ret = llist_delete(handler, del_name, name_cmp);
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib3/llist.c b/C11-数据结构/ds/line/list/linklist/double/lib3/llist.c
index 30c1cd4..d7b087d 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib3/llist.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib3/llist.c
@@ -4,15 +4,15 @@
 
 #include "llist.h"
 
-int   llist_insert(LLIST* ptr, const void* data, int mode);
-void* llist_find(LLIST* ptr, const void* key, llist_cmp*);
-int   llist_delete(LLIST*, const void* key, llist_cmp*);
-int   llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
-void  llist_travel(LLIST* ptr, llist_op* op);
+int   llist_insert(LLIST *ptr, const void *data, int mode);
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *);
+int   llist_delete(LLIST *, const void *key, llist_cmp *);
+int   llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
+void  llist_travel(LLIST *ptr, llist_op *op);
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    LLIST* new;
+    LLIST *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -31,9 +31,9 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* ptr, const void* data, int mode)
+int llist_insert(LLIST *ptr, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
+    struct llist_node_st *newnode;
 
     newnode = malloc(sizeof(*newnode) + ptr->size);   // -4
     if (NULL == newnode)
@@ -63,9 +63,9 @@ int llist_insert(LLIST* ptr, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
+static struct llist_node_st *find_(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -76,9 +76,9 @@ static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
         return NULL;
@@ -86,9 +86,9 @@ void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
     return node->data;
 }
 
-int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -101,9 +101,9 @@ int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *ptr, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -120,15 +120,15 @@ int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* ptr, llist_op* op)
+void llist_travel(LLIST *ptr, llist_op *op)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* ptr)
+void llist_destroy(LLIST *ptr)
 {
     struct llist_node_st *cur, *next;
 
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib3/llist.h b/C11-数据结构/ds/line/list/linklist/double/lib3/llist.h
index a172a6d..2abdfb4 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib3/llist.h
+++ b/C11-数据结构/ds/line/list/linklist/double/lib3/llist.h
@@ -4,14 +4,14 @@
 #define LLIST_FORWARD  1
 #define LLIST_BACKWARD 2
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
 // !!! 变长结构体
 struct llist_node_st
 {
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
     // data要放在最后
     char data[1];   // 占位符，数据的起始。C99才只是[0]
 };
@@ -21,18 +21,18 @@ typedef struct llist_head
     int                  size;
     struct llist_node_st head;
 
-    int (*insert)(struct llist_head*, const void*, int);
-    void* (*find)(struct llist_head*, const void*, llist_cmp*);
-    int (*delete)(struct llist_head*, const void*, llist_cmp*);
-    int (*fetch)(struct llist_head*, const void*, llist_cmp*, void*);
-    void (*travel)(struct llist_head*, llist_op*);
+    int (*insert)(struct llist_head *, const void *, int);
+    void *(*find)(struct llist_head *, const void *, llist_cmp *);
+    int (*delete)(struct llist_head *, const void *, llist_cmp *);
+    int (*fetch)(struct llist_head *, const void *, llist_cmp *, void *);
+    void (*travel)(struct llist_head *, llist_op *);
 
 } LLIST;
 
 
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-void llist_destroy(LLIST* ptr);
+void llist_destroy(LLIST *ptr);
 
 #endif
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib3/main.c b/C11-数据结构/ds/line/list/linklist/double/lib3/main.c
index 60e60ff..8316abc 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib3/main.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib3/main.c
@@ -14,25 +14,25 @@ struct score_st
     int  chinese;
 };
 
-void print_s(const void* record)
+void print_s(const void *record)
 {
-    const struct score_st* r = record;
+    const struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
-int id_cmp(const void* key, const void* record)
+int id_cmp(const void *key, const void *record)
 {
-    const int*             k = key;
-    const struct score_st* r = record;
+    const int             *k = key;
+    const struct score_st *r = record;
 
     return (*k - r->id);
 }
 
-int name_cmp(const void* key, const void* record)
+int name_cmp(const void *key, const void *record)
 {
-    const char*            k = key;
-    const struct score_st* r = record;
+    const char            *k = key;
+    const struct score_st *r = record;
 
     return strcmp(k, r->name);
 }
@@ -40,7 +40,7 @@ int name_cmp(const void* key, const void* record)
 
 int main( )
 {
-    LLIST*          handler;
+    LLIST          *handler;
     int             i, ret;
     struct score_st tmp;
 
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib4/llist.c b/C11-数据结构/ds/line/list/linklist/double/lib4/llist.c
index 0712aa2..014853c 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib4/llist.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib4/llist.c
@@ -7,8 +7,8 @@
 // !!! 变长结构体
 struct llist_node_st
 {
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
     // data要放在最后
     char data[1];   // 占位符，数据的起始。C99才只是[0]
 };
@@ -19,9 +19,9 @@ struct llist_head_st
     struct llist_node_st head;
 };
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    struct llist_head_st* new;
+    struct llist_head_st *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -34,10 +34,10 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* p, const void* data, int mode)
+int llist_insert(LLIST *p, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
-    struct llist_head_st* ptr = p;
+    struct llist_node_st *newnode;
+    struct llist_head_st *ptr = p;
 
     newnode = malloc(sizeof(*newnode) + ptr->size);   // -4
     if (NULL == newnode)
@@ -67,11 +67,11 @@ int llist_insert(LLIST* p, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(struct llist_head_st* ptr,
-                                   const void*           key,
-                                   llist_cmp*            cmp)
+static struct llist_node_st *find_(struct llist_head_st *ptr,
+                                   const void           *key,
+                                   llist_cmp            *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -82,10 +82,10 @@ static struct llist_node_st* find_(struct llist_head_st* ptr,
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* p, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *p, const void *key, llist_cmp *cmp)
 {
-    struct llist_head_st* ptr = p;
-    struct llist_node_st* node;
+    struct llist_head_st *ptr = p;
+    struct llist_node_st *node;
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
         return NULL;
@@ -93,10 +93,10 @@ void* llist_find(LLIST* p, const void* key, llist_cmp* cmp)
     return node->data;
 }
 
-int llist_delete(LLIST* p, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *p, const void *key, llist_cmp *cmp)
 {
-    struct llist_head_st* ptr = p;
-    struct llist_node_st* node;
+    struct llist_head_st *ptr = p;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -109,10 +109,10 @@ int llist_delete(LLIST* p, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* p, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *p, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_head_st* ptr = p;
-    struct llist_node_st* node;
+    struct llist_head_st *ptr = p;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -129,18 +129,18 @@ int llist_fetch(LLIST* p, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* p, llist_op* op)
+void llist_travel(LLIST *p, llist_op *op)
 {
-    struct llist_head_st* ptr = p;
-    struct llist_node_st* cur;
+    struct llist_head_st *ptr = p;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* p)
+void llist_destroy(LLIST *p)
 {
-    struct llist_head_st* ptr = p;
+    struct llist_head_st *ptr = p;
     struct llist_node_st *cur, *next;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = next)
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib4/llist.h b/C11-数据结构/ds/line/list/linklist/double/lib4/llist.h
index ade6c1e..f000d31 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib4/llist.h
+++ b/C11-数据结构/ds/line/list/linklist/double/lib4/llist.h
@@ -7,21 +7,21 @@
 // !!! 实现了隐藏 LLIST 的实现方法
 typedef void LLIST;
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-int llist_insert(LLIST*, const void* data, int mode);
+int llist_insert(LLIST *, const void *data, int mode);
 
-void* llist_find(LLIST*, const void* key, llist_cmp*);
+void *llist_find(LLIST *, const void *key, llist_cmp *);
 
-int llist_delete(LLIST*, const void* key, llist_cmp*);
+int llist_delete(LLIST *, const void *key, llist_cmp *);
 
-int llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
+int llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
 
-void llist_travel(LLIST*, llist_op*);
+void llist_travel(LLIST *, llist_op *);
 
-void llist_destroy(LLIST*);
+void llist_destroy(LLIST *);
 
 #endif
diff --git a/C11-数据结构/ds/line/list/linklist/double/lib4/main.c b/C11-数据结构/ds/line/list/linklist/double/lib4/main.c
index caf4f81..a9b18b8 100644
--- a/C11-数据结构/ds/line/list/linklist/double/lib4/main.c
+++ b/C11-数据结构/ds/line/list/linklist/double/lib4/main.c
@@ -14,25 +14,25 @@ struct score_st
     int  chinese;
 };
 
-void print_s(const void* record)
+void print_s(const void *record)
 {
-    const struct score_st* r = record;
+    const struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
-int id_cmp(const void* key, const void* record)
+int id_cmp(const void *key, const void *record)
 {
-    const int*             k = key;
-    const struct score_st* r = record;
+    const int             *k = key;
+    const struct score_st *r = record;
 
     return (*k - r->id);
 }
 
-int name_cmp(const void* key, const void* record)
+int name_cmp(const void *key, const void *record)
 {
-    const char*            k = key;
-    const struct score_st* r = record;
+    const char            *k = key;
+    const struct score_st *r = record;
 
     return strcmp(k, r->name);
 }
@@ -40,7 +40,7 @@ int name_cmp(const void* key, const void* record)
 
 int main( )
 {
-    LLIST*          handler;
+    LLIST          *handler;
     int             i, ret;
     struct score_st tmp;
 
@@ -65,7 +65,7 @@ int main( )
     printf("\n\n");
 
     // int id = 3;
-    char* del_name = "std6";
+    char *del_name = "std6";
 
     // ret = llist_delete(handler, &id, id_cmp);
     ret = llist_delete(handler, del_name, name_cmp);
diff --git a/C11-数据结构/ds/line/list/linklist/simple/head/list.c b/C11-数据结构/ds/line/list/linklist/simple/head/list.c
index 1a57942..c5b9732 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/head/list.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/head/list.c
@@ -3,9 +3,9 @@
 
 #include "list.h"
 
-list* list_create( )
+list *list_create( )
 {
-    list* me;
+    list *me;
     me = malloc(sizeof(*me));
     if (NULL == me)
         return NULL;
@@ -16,7 +16,7 @@ list* list_create( )
 }
 
 // 从第一个有效节点作为第0个
-int list_insert_at(list* me, int i, datatype* data)
+int list_insert_at(list *me, int i, datatype *data)
 {
     int   k    = 0;
     list *node = me, *newnode;
@@ -50,7 +50,7 @@ int list_insert_at(list* me, int i, datatype* data)
 }
 
 // 有序插入
-int list_order_insert(list* me, datatype* data)
+int list_order_insert(list *me, datatype *data)
 {
     list *p = me, *q;
 
@@ -68,7 +68,7 @@ int list_order_insert(list* me, datatype* data)
     return 0;
 }
 
-int list_delete_at(list* me, int i, datatype* data)
+int list_delete_at(list *me, int i, datatype *data)
 {
     int   k = 0;
     list *p = me, *q;
@@ -98,7 +98,7 @@ int list_delete_at(list* me, int i, datatype* data)
         return -2;
 }
 
-int list_delete(list* me, datatype* data)
+int list_delete(list *me, datatype *data)
 {
     list *p = me, *q;
     while (p->next && p->next->data != *data)
@@ -117,16 +117,16 @@ int list_delete(list* me, datatype* data)
     return 0;
 }
 
-int list_isempty(list* me)
+int list_isempty(list *me)
 {
     if (NULL == me->next)
         return 0;
     return 1;
 }
 
-void list_display(list* me)
+void list_display(list *me)
 {
-    list* node = me->next;
+    list *node = me->next;
     if (0 == list_isempty(me))
         return;
 
@@ -140,7 +140,7 @@ void list_display(list* me)
     return;
 }
 
-void list_destroy(list* me)
+void list_destroy(list *me)
 {
     list *node, *next;
 
diff --git a/C11-数据结构/ds/line/list/linklist/simple/head/list.h b/C11-数据结构/ds/line/list/linklist/simple/head/list.h
index f7b8877..d9fd676 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/head/list.h
+++ b/C11-数据结构/ds/line/list/linklist/simple/head/list.h
@@ -6,21 +6,21 @@ typedef int datatype;
 typedef struct node_st
 {
     datatype        data;
-    struct node_st* next;
+    struct node_st *next;
 } list;
 
-list* list_create( );
+list *list_create( );
 
-int list_insert_at(list* me, int i, datatype* data);
-int list_order_insert(list* me, datatype* data);
+int list_insert_at(list *me, int i, datatype *data);
+int list_order_insert(list *me, datatype *data);
 
-int list_delete_at(list* me, int i, datatype* data);
-int list_delete(list* me, datatype* data);
+int list_delete_at(list *me, int i, datatype *data);
+int list_delete(list *me, datatype *data);
 
-int list_isempty(list* me);
+int list_isempty(list *me);
 
-void list_display(list* me);
-void list_destroy(list* me);
+void list_display(list *me);
+void list_destroy(list *me);
 
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/list/linklist/simple/head/main.c b/C11-数据结构/ds/line/list/linklist/simple/head/main.c
index 796690b..261702c 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/head/main.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/head/main.c
@@ -5,7 +5,7 @@
 
 int main( )
 {
-    list*    l;
+    list    *l;
     datatype arr[] = {12, 9, 23, 2, 34, 6, 45};
 
     l = list_create( );
diff --git a/C11-数据结构/ds/line/list/linklist/simple/josephu/jose.c b/C11-数据结构/ds/line/list/linklist/simple/josephu/jose.c
index c79c0ae..922045d 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/josephu/jose.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/josephu/jose.c
@@ -6,7 +6,7 @@
 typedef struct node_st
 {
     int             data;
-    struct node_st* next;
+    struct node_st *next;
 } list;
 
 // try something
@@ -32,7 +32,7 @@ list *jose_create(int a[], int n)
 }
 #endif
 
-list* jose_create(int n)
+list *jose_create(int n)
 {
     list *me, *newnode, *cur;
     int   i = 1;
@@ -61,9 +61,9 @@ list* jose_create(int n)
     return me;
 }
 
-void jose_show(list* me)
+void jose_show(list *me)
 {
-    list* list;
+    list *list;
 
     for (list = me; list->next != me; list = list->next)
     {
@@ -74,7 +74,7 @@ void jose_show(list* me)
     printf("%d\n", list->data);
 }
 
-void jose_kill(list** me, int n)
+void jose_kill(list **me, int n)
 {
     list *cur = *me, *node;
     int   i   = 1;
@@ -103,7 +103,7 @@ void jose_kill(list** me, int n)
 
 int main( )
 {
-    list* list;
+    list *list;
 
     list = jose_create(JOSE_NUM);
 
diff --git a/C11-数据结构/ds/line/list/linklist/simple/nohead/main.c b/C11-数据结构/ds/line/list/linklist/simple/nohead/main.c
index f212cf8..fbe6236 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/nohead/main.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/nohead/main.c
@@ -6,7 +6,7 @@
 int main( )
 {
     int             i, ret;
-    struct node_st* list = NULL;
+    struct node_st *list = NULL;
     struct score_st tmp;
 
     for (i = 0; i < 7; i++)
@@ -28,7 +28,7 @@ int main( )
     printf("\n\n");
 
     int              id = 13;
-    struct score_st* ptr;
+    struct score_st *ptr;
     ptr = list_find(&list, id);
     if (NULL == ptr)
         printf("Can not find!\n");
diff --git a/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.c b/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.c
index cf59de6..574dc96 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.c
@@ -21,9 +21,9 @@ struct node_st *list_insert(struct node_st *list, struct score_st *data)
 }
 #endif
 
-int list_insert(struct node_st** list, struct score_st* data)
+int list_insert(struct node_st **list, struct score_st *data)
 {
-    struct node_st* new;
+    struct node_st *new;
 
     new = malloc(sizeof(*new));
     if (NULL == new)
@@ -36,9 +36,9 @@ int list_insert(struct node_st** list, struct score_st* data)
     return 0;
 }
 
-void list_show(struct node_st* list)
+void list_show(struct node_st *list)
 {
-    struct node_st* cur;
+    struct node_st *cur;
 
     for (cur = list; NULL != cur; cur = cur->next)
     {
@@ -51,9 +51,9 @@ void list_show(struct node_st* list)
 }
 
 // 删除首位
-int list_delete(struct node_st** list)
+int list_delete(struct node_st **list)
 {
-    struct node_st* cur;
+    struct node_st *cur;
 
     if (NULL == *list)
         return -1;
@@ -66,9 +66,9 @@ int list_delete(struct node_st** list)
     return 0;
 }
 
-struct score_st* list_find(struct node_st** list, int id)
+struct score_st *list_find(struct node_st **list, int id)
 {
-    struct node_st* cur;
+    struct node_st *cur;
 
     if (NULL == *list)
         return NULL;
@@ -91,9 +91,9 @@ struct score_st* list_find(struct node_st** list, int id)
     return NULL;
 }
 
-int list_destroy(struct node_st** list)
+int list_destroy(struct node_st **list)
 {
-    struct node_st* cur;
+    struct node_st *cur;
 
     if (NULL == list)
         return -1;
diff --git a/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.h b/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.h
index 93a533d..71883ce 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.h
+++ b/C11-数据结构/ds/line/list/linklist/simple/nohead/nohead.h
@@ -11,16 +11,16 @@ struct score_st
 struct node_st
 {
     struct score_st data;
-    struct node_st* next;
+    struct node_st *next;
 };
 
 // struct node_st *list_insert(struct node_st *list, struct score_st *data);
-int list_insert(struct node_st** list, struct score_st* data);
+int list_insert(struct node_st **list, struct score_st *data);
 
-void list_show(struct node_st* list);
+void list_show(struct node_st *list);
 
-int list_delete(struct node_st** list);
+int list_delete(struct node_st **list);
 
-struct score_st* list_find(struct node_st** list, int id);
+struct score_st *list_find(struct node_st **list, int id);
 
-int list_destroy(struct node_st** list);
+int list_destroy(struct node_st **list);
diff --git a/C11-数据结构/ds/line/list/linklist/simple/polynomial/poly.c b/C11-数据结构/ds/line/list/linklist/simple/polynomial/poly.c
index b5998d7..adb44b3 100644
--- a/C11-数据结构/ds/line/list/linklist/simple/polynomial/poly.c
+++ b/C11-数据结构/ds/line/list/linklist/simple/polynomial/poly.c
@@ -5,10 +5,10 @@ typedef struct node_st
 {
     int             coef;
     int             exp;
-    struct node_st* next;
+    struct node_st *next;
 } list;
 
-list* poly_create(int a[][2], int n)
+list *poly_create(int a[][2], int n)
 {
     list *me, *newnode, *cur;
 
@@ -36,9 +36,9 @@ list* poly_create(int a[][2], int n)
     return me;
 }
 
-void poly_show(list* me)
+void poly_show(list *me)
 {
-    list* cur;
+    list *cur;
 
     for (cur = me->next; NULL != cur; cur = cur->next)
     {
@@ -47,7 +47,7 @@ void poly_show(list* me)
     printf("\n");
 }
 
-void poly_union(list* p1, list* p2)
+void poly_union(list *p1, list *p2)
 {
     list *p, *q, *r;
 
diff --git a/C11-数据结构/ds/line/squeue/arr/main.c b/C11-数据结构/ds/line/squeue/arr/main.c
index 58ca8bd..c3f41b3 100644
--- a/C11-数据结构/ds/line/squeue/arr/main.c
+++ b/C11-数据结构/ds/line/squeue/arr/main.c
@@ -5,7 +5,7 @@
 
 int main( )
 {
-    queue*   sq;
+    queue   *sq;
     datatype arr[] = {2, 34, 89, 12};
     int      i;
 
diff --git a/C11-数据结构/ds/line/squeue/arr/queue.c b/C11-数据结构/ds/line/squeue/arr/queue.c
index eb02246..3e21fe9 100644
--- a/C11-数据结构/ds/line/squeue/arr/queue.c
+++ b/C11-数据结构/ds/line/squeue/arr/queue.c
@@ -4,9 +4,9 @@
 #include "queue.h"
 
 
-queue* qu_create( )
+queue *qu_create( )
 {
-    queue* sq;
+    queue *sq;
 
     sq = malloc(sizeof(*sq));
     if (NULL == sq)
@@ -18,12 +18,12 @@ queue* qu_create( )
     return sq;
 }
 
-int qu_isempty(queue* sq)
+int qu_isempty(queue *sq)
 {
     return (sq->head == sq->tail);
 }
 
-int qu_enqueue(queue* sq, datatype* x)
+int qu_enqueue(queue *sq, datatype *x)
 {
     if ((sq->tail + 1) % MAXSIZE == sq->head)
         return -1;
@@ -34,7 +34,7 @@ int qu_enqueue(queue* sq, datatype* x)
     return 0;
 }
 
-int qu_dequeue(queue* sq, datatype* x)
+int qu_dequeue(queue *sq, datatype *x)
 {
     if (qu_isempty(sq))
         return -1;
@@ -45,7 +45,7 @@ int qu_dequeue(queue* sq, datatype* x)
     return 0;
 }
 
-void qu_travel(queue* sq)
+void qu_travel(queue *sq)
 {
     if (sq->head == sq->tail)
         return;
@@ -61,12 +61,12 @@ void qu_travel(queue* sq)
     printf("%d \n", sq->data[i]);
 }
 
-void qu_clear(queue* sq)
+void qu_clear(queue *sq)
 {
     sq->head = sq->tail;
 }
 
-void qu_destroy(queue* sq)
+void qu_destroy(queue *sq)
 {
     free(sq);
 }
diff --git a/C11-数据结构/ds/line/squeue/arr/queue.h b/C11-数据结构/ds/line/squeue/arr/queue.h
index c9bf24e..0ab8531 100644
--- a/C11-数据结构/ds/line/squeue/arr/queue.h
+++ b/C11-数据结构/ds/line/squeue/arr/queue.h
@@ -12,18 +12,18 @@ typedef struct node_st
 } queue;
 
 
-queue* qu_create( );
+queue *qu_create( );
 
 int qu_isempty( );
 
-int qu_enqueue(queue*, datatype*);
+int qu_enqueue(queue *, datatype *);
 
-int qu_dequeue(queue*, datatype*);
+int qu_dequeue(queue *, datatype *);
 
-void qu_travel(queue*);
+void qu_travel(queue *);
 
-void qu_clear(queue*);
+void qu_clear(queue *);
 
-void qu_destroy(queue*);
+void qu_destroy(queue *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/squeue/list/llist.c b/C11-数据结构/ds/line/squeue/list/llist.c
index e2ec700..1190181 100644
--- a/C11-数据结构/ds/line/squeue/list/llist.c
+++ b/C11-数据结构/ds/line/squeue/list/llist.c
@@ -4,9 +4,9 @@
 
 #include "llist.h"
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    LLIST* new;
+    LLIST *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -19,9 +19,9 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* ptr, const void* data, int mode)
+int llist_insert(LLIST *ptr, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
+    struct llist_node_st *newnode;
 
     newnode = malloc(sizeof(*newnode) + ptr->size);   // -4
     if (NULL == newnode)
@@ -51,9 +51,9 @@ int llist_insert(LLIST* ptr, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
+static struct llist_node_st *find_(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -64,9 +64,9 @@ static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
         return NULL;
@@ -74,9 +74,9 @@ void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
     return node->data;
 }
 
-int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -89,9 +89,9 @@ int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *ptr, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -108,15 +108,15 @@ int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* ptr, llist_op* op)
+void llist_travel(LLIST *ptr, llist_op *op)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* ptr)
+void llist_destroy(LLIST *ptr)
 {
     struct llist_node_st *cur, *next;
 
diff --git a/C11-数据结构/ds/line/squeue/list/llist.h b/C11-数据结构/ds/line/squeue/list/llist.h
index 53b6a8c..48457e4 100644
--- a/C11-数据结构/ds/line/squeue/list/llist.h
+++ b/C11-数据结构/ds/line/squeue/list/llist.h
@@ -7,8 +7,8 @@
 // !!! 变长结构体
 struct llist_node_st
 {
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
     // data要放在最后
     char data[1];   // 占位符，数据的起始。C99才只是[0]
 };
@@ -19,21 +19,21 @@ typedef struct
     struct llist_node_st head;
 } LLIST;
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-int llist_insert(LLIST* ptr, const void* data, int mode);
+int llist_insert(LLIST *ptr, const void *data, int mode);
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp*);
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *);
 
-int llist_delete(LLIST*, const void* key, llist_cmp*);
+int llist_delete(LLIST *, const void *key, llist_cmp *);
 
-int llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
+int llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
 
-void llist_travel(LLIST* ptr, llist_op* op);
+void llist_travel(LLIST *ptr, llist_op *op);
 
-void llist_destroy(LLIST* ptr);
+void llist_destroy(LLIST *ptr);
 
 #endif
diff --git a/C11-数据结构/ds/line/squeue/list/main.c b/C11-数据结构/ds/line/squeue/list/main.c
index 1b273e9..7bc737b 100644
--- a/C11-数据结构/ds/line/squeue/list/main.c
+++ b/C11-数据结构/ds/line/squeue/list/main.c
@@ -13,16 +13,16 @@ struct score_st
     int  chinese;
 };
 
-static int print_s(void* record)
+static int print_s(void *record)
 {
-    struct score_st* r = record;
+    struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
 int main( )
 {
-    QUEUE*          qu;
+    QUEUE          *qu;
     struct score_st tmp;
     int             i, ret;
 
diff --git a/C11-数据结构/ds/line/squeue/list/queue.c b/C11-数据结构/ds/line/squeue/list/queue.c
index 5a622ee..3035656 100644
--- a/C11-数据结构/ds/line/squeue/list/queue.c
+++ b/C11-数据结构/ds/line/squeue/list/queue.c
@@ -1,26 +1,26 @@
 #include "queue.h"
 
-QUEUE* queue_create(int size)
+QUEUE *queue_create(int size)
 {
     return llist_create(size);
 }
 
-int queue_en(QUEUE* ptr, const void* data)
+int queue_en(QUEUE *ptr, const void *data)
 {
     llist_insert(ptr, data, LLIST_BACKWARD);
 }
 
-static int always_match(const void* p1, const void* p2)
+static int always_match(const void *p1, const void *p2)
 {
     return 0;
 }
 
-int queue_de(QUEUE* ptr, void* data)
+int queue_de(QUEUE *ptr, void *data)
 {
-    return llist_fetch(ptr, (void*)0, always_match, data);
+    return llist_fetch(ptr, (void *)0, always_match, data);
 }
 
-void queue_destroy(QUEUE* ptr)
+void queue_destroy(QUEUE *ptr)
 {
     llist_destroy(ptr);
 }
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/squeue/list/queue.h b/C11-数据结构/ds/line/squeue/list/queue.h
index cce2d91..75a20c7 100644
--- a/C11-数据结构/ds/line/squeue/list/queue.h
+++ b/C11-数据结构/ds/line/squeue/list/queue.h
@@ -5,12 +5,12 @@
 
 typedef LLIST QUEUE;
 
-QUEUE* queue_create(int);
+QUEUE *queue_create(int);
 
-int queue_en(QUEUE*, const void*);
+int queue_en(QUEUE *, const void *);
 
-int queue_de(QUEUE*, void*);
+int queue_de(QUEUE *, void *);
 
-void queue_destroy(QUEUE*);
+void queue_destroy(QUEUE *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/stack/arr/main.c b/C11-数据结构/ds/line/stack/arr/main.c
index f1ccdf2..a0ab69b 100644
--- a/C11-数据结构/ds/line/stack/arr/main.c
+++ b/C11-数据结构/ds/line/stack/arr/main.c
@@ -6,7 +6,7 @@
 int main( )
 {
     datatype arr[] = {19, 23, 0, 45, 67};
-    sqstack* st;
+    sqstack *st;
     int      i;
 
     st = st_create( );
diff --git a/C11-数据结构/ds/line/stack/arr/sqstack.c b/C11-数据结构/ds/line/stack/arr/sqstack.c
index 75ad982..d10927d 100644
--- a/C11-数据结构/ds/line/stack/arr/sqstack.c
+++ b/C11-数据结构/ds/line/stack/arr/sqstack.c
@@ -3,9 +3,9 @@
 
 #include "sqstack.h"
 
-sqstack* st_create(void)
+sqstack *st_create(void)
 {
-    sqstack* st;
+    sqstack *st;
 
     st = malloc(sizeof(*st));
     if (NULL == st)
@@ -16,12 +16,12 @@ sqstack* st_create(void)
     return st;
 }
 
-int st_isempty(sqstack* st)
+int st_isempty(sqstack *st)
 {
     return (-1 == st->top);
 }
 
-int st_push(sqstack* st, datatype* data)
+int st_push(sqstack *st, datatype *data)
 {
     if (MAXSIZE - 1 == st->top)
         return -1;
@@ -32,7 +32,7 @@ int st_push(sqstack* st, datatype* data)
 }
 
 /* 取出栈顶元素 */
-int st_pop(sqstack* st, datatype* data)
+int st_pop(sqstack *st, datatype *data)
 {
     if (st_isempty(st))
         return -1;
@@ -44,7 +44,7 @@ int st_pop(sqstack* st, datatype* data)
 
 
 /* 查看栈顶元素 */
-int st_top(sqstack* st, datatype* data)
+int st_top(sqstack *st, datatype *data)
 {
     if (st_isempty(st))
         return -1;
@@ -54,7 +54,7 @@ int st_top(sqstack* st, datatype* data)
     return 0;
 }
 
-void st_travel(sqstack* st)
+void st_travel(sqstack *st)
 {
     if (st_isempty(st))
         return;
@@ -66,7 +66,7 @@ void st_travel(sqstack* st)
     printf("\n");
 }
 
-void st_destroy(sqstack* st)
+void st_destroy(sqstack *st)
 {
     free(st);
 }
diff --git a/C11-数据结构/ds/line/stack/arr/sqstack.h b/C11-数据结构/ds/line/stack/arr/sqstack.h
index deaf683..f36cc58 100644
--- a/C11-数据结构/ds/line/stack/arr/sqstack.h
+++ b/C11-数据结构/ds/line/stack/arr/sqstack.h
@@ -11,20 +11,20 @@ typedef struct node_st
     int      top;
 } sqstack;
 
-sqstack* st_create(void);
+sqstack *st_create(void);
 
-int st_isempty(sqstack*);
+int st_isempty(sqstack *);
 
-int st_push(sqstack*, datatype*);
+int st_push(sqstack *, datatype *);
 
 /* 取出栈顶元素 */
-int st_pop(sqstack*, datatype*);
+int st_pop(sqstack *, datatype *);
 
 /* 查看栈顶元素 */
-int st_top(sqstack*, datatype*);
+int st_top(sqstack *, datatype *);
 
-void st_travel(sqstack*);
+void st_travel(sqstack *);
 
-void st_destroy(sqstack*);
+void st_destroy(sqstack *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/stack/list/llist.c b/C11-数据结构/ds/line/stack/list/llist.c
index e2ec700..1190181 100644
--- a/C11-数据结构/ds/line/stack/list/llist.c
+++ b/C11-数据结构/ds/line/stack/list/llist.c
@@ -4,9 +4,9 @@
 
 #include "llist.h"
 
-LLIST* llist_create(int initsize)
+LLIST *llist_create(int initsize)
 {
-    LLIST* new;
+    LLIST *new;
 
     new = malloc(sizeof(*new));   // !!! 不是sizeof(initsize),也不是new,是*new
     if (NULL == new)
@@ -19,9 +19,9 @@ LLIST* llist_create(int initsize)
     return new;
 }
 
-int llist_insert(LLIST* ptr, const void* data, int mode)
+int llist_insert(LLIST *ptr, const void *data, int mode)
 {
-    struct llist_node_st* newnode;
+    struct llist_node_st *newnode;
 
     newnode = malloc(sizeof(*newnode) + ptr->size);   // -4
     if (NULL == newnode)
@@ -51,9 +51,9 @@ int llist_insert(LLIST* ptr, const void* data, int mode)
     return 0;
 }
 
-static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
+static struct llist_node_st *find_(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
     {
@@ -64,9 +64,9 @@ static struct llist_node_st* find_(LLIST* ptr, const void* key, llist_cmp* cmp)
     return cur;   // 找不到的时候，返回的cur就是ptr，返回NULL
 }
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
         return NULL;
@@ -74,9 +74,9 @@ void* llist_find(LLIST* ptr, const void* key, llist_cmp* cmp)
     return node->data;
 }
 
-int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
+int llist_delete(LLIST *ptr, const void *key, llist_cmp *cmp)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -89,9 +89,9 @@ int llist_delete(LLIST* ptr, const void* key, llist_cmp* cmp)
     return 0;
 }
 
-int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
+int llist_fetch(LLIST *ptr, const void *key, llist_cmp *cmp, void *data)
 {
-    struct llist_node_st* node;
+    struct llist_node_st *node;
 
     node = find_(ptr, key, cmp);
     if (node == &ptr->head)
@@ -108,15 +108,15 @@ int llist_fetch(LLIST* ptr, const void* key, llist_cmp* cmp, void* data)
     return 0;
 }
 
-void llist_travel(LLIST* ptr, llist_op* op)
+void llist_travel(LLIST *ptr, llist_op *op)
 {
-    struct llist_node_st* cur;
+    struct llist_node_st *cur;
 
     for (cur = ptr->head.next; cur != &ptr->head; cur = cur->next)
         op(cur->data);
 }
 
-void llist_destroy(LLIST* ptr)
+void llist_destroy(LLIST *ptr)
 {
     struct llist_node_st *cur, *next;
 
diff --git a/C11-数据结构/ds/line/stack/list/llist.h b/C11-数据结构/ds/line/stack/list/llist.h
index 53b6a8c..48457e4 100644
--- a/C11-数据结构/ds/line/stack/list/llist.h
+++ b/C11-数据结构/ds/line/stack/list/llist.h
@@ -7,8 +7,8 @@
 // !!! 变长结构体
 struct llist_node_st
 {
-    struct llist_node_st* prev;
-    struct llist_node_st* next;
+    struct llist_node_st *prev;
+    struct llist_node_st *next;
     // data要放在最后
     char data[1];   // 占位符，数据的起始。C99才只是[0]
 };
@@ -19,21 +19,21 @@ typedef struct
     struct llist_node_st head;
 } LLIST;
 
-typedef void llist_op(const void*);
-typedef int  llist_cmp(const void*, const void*);
+typedef void llist_op(const void *);
+typedef int  llist_cmp(const void *, const void *);
 
-LLIST* llist_create(int initsize);
+LLIST *llist_create(int initsize);
 
-int llist_insert(LLIST* ptr, const void* data, int mode);
+int llist_insert(LLIST *ptr, const void *data, int mode);
 
-void* llist_find(LLIST* ptr, const void* key, llist_cmp*);
+void *llist_find(LLIST *ptr, const void *key, llist_cmp *);
 
-int llist_delete(LLIST*, const void* key, llist_cmp*);
+int llist_delete(LLIST *, const void *key, llist_cmp *);
 
-int llist_fetch(LLIST*, const void* key, llist_cmp*, void* data);
+int llist_fetch(LLIST *, const void *key, llist_cmp *, void *data);
 
-void llist_travel(LLIST* ptr, llist_op* op);
+void llist_travel(LLIST *ptr, llist_op *op);
 
-void llist_destroy(LLIST* ptr);
+void llist_destroy(LLIST *ptr);
 
 #endif
diff --git a/C11-数据结构/ds/line/stack/list/main.c b/C11-数据结构/ds/line/stack/list/main.c
index d68b45d..3eef0f1 100644
--- a/C11-数据结构/ds/line/stack/list/main.c
+++ b/C11-数据结构/ds/line/stack/list/main.c
@@ -13,16 +13,16 @@ struct score_st
     int  chinese;
 };
 
-static int print_s(void* record)
+static int print_s(void *record)
 {
-    struct score_st* r = record;
+    struct score_st *r = record;
 
     printf("%d %s %d %d\n", r->id, r->name, r->math, r->chinese);
 }
 
 int main( )
 {
-    STACK*          st;
+    STACK          *st;
     struct score_st tmp;
     int             i, ret;
 
diff --git a/C11-数据结构/ds/line/stack/list/stack.c b/C11-数据结构/ds/line/stack/list/stack.c
index 075a9f7..10950c3 100644
--- a/C11-数据结构/ds/line/stack/list/stack.c
+++ b/C11-数据结构/ds/line/stack/list/stack.c
@@ -2,28 +2,28 @@
 
 #include "stack.h"
 
-LLIST* stack_create(int initsize)
+LLIST *stack_create(int initsize)
 {
     return llist_create(initsize);
 }
 
-int stack_push(STACK* ptr, const void* data)
+int stack_push(STACK *ptr, const void *data)
 {
     return llist_insert(ptr, data, LLIST_FORWARD);
 }
 
-static int always_match(const void* p1, const void* p2)
+static int always_match(const void *p1, const void *p2)
 {
     return 0;
 }
 
-int stack_pop(STACK* ptr, void* data)
+int stack_pop(STACK *ptr, void *data)
 {
     // !!! 假接口
-    return llist_fetch(ptr, (void*)0, always_match, data);
+    return llist_fetch(ptr, (void *)0, always_match, data);
 }
 
-void stack_destroy(STACK* ptr)
+void stack_destroy(STACK *ptr)
 {
     llist_destroy(ptr);
 }
\ No newline at end of file
diff --git a/C11-数据结构/ds/line/stack/list/stack.h b/C11-数据结构/ds/line/stack/list/stack.h
index 0a2caf1..630f5e4 100644
--- a/C11-数据结构/ds/line/stack/list/stack.h
+++ b/C11-数据结构/ds/line/stack/list/stack.h
@@ -5,12 +5,12 @@
 
 typedef LLIST STACK;
 
-STACK* stack_create(int);
+STACK *stack_create(int);
 
-int stack_push(STACK*, const void* data);
+int stack_push(STACK *, const void *data);
 
-int stack_pop(STACK*, void* data);
+int stack_pop(STACK *, void *data);
 
-void stack_destroy(STACK*);
+void stack_destroy(STACK *);
 
 #endif
\ No newline at end of file
diff --git a/C11-数据结构/ds/tree/btree/main.c b/C11-数据结构/ds/tree/btree/main.c
index 51523b4..ab178c3 100644
--- a/C11-数据结构/ds/tree/btree/main.c
+++ b/C11-数据结构/ds/tree/btree/main.c
@@ -20,7 +20,7 @@ struct node_st
 };
 
 
-struct node_st* tree = NULL;
+struct node_st *tree = NULL;
 
 /**
  * @brief    插入节点
@@ -35,9 +35,9 @@ struct node_st* tree = NULL;
  * @param    data
  * @return  int
  */
-static int insert(struct node_st** root, struct score_st* data)
+static int insert(struct node_st **root, struct score_st *data)
 {
-    struct node_st* node;
+    struct node_st *node;
 
     if (NULL == *root)
     {
@@ -59,7 +59,7 @@ static int insert(struct node_st** root, struct score_st* data)
 }
 
 
-struct score_st* find(struct node_st* root, int id)
+struct score_st *find(struct node_st *root, int id)
 {
     if (NULL == root)
         return NULL;
@@ -72,13 +72,13 @@ struct score_st* find(struct node_st* root, int id)
     return find(root->r, id);
 }
 
-static void print_s(struct score_st* d)
+static void print_s(struct score_st *d)
 {
     printf("%d %s %d %d\n", d->id, d->name, d->math, d->chinese);
 }
 
 
-static void draw_(struct node_st* root, int level)
+static void draw_(struct node_st *root, int level)
 {
     if (NULL == root)
         return;
@@ -100,7 +100,7 @@ static void draw_(struct node_st* root, int level)
  *D
  * @param    root
  */
-static void draw(struct node_st* root)
+static void draw(struct node_st *root)
 {
     draw_(root, 0);
 
@@ -117,7 +117,7 @@ static void draw(struct node_st* root)
  * @param    root
  * @return  int
  */
-static int get_num(struct node_st* root)
+static int get_num(struct node_st *root)
 {
     if (NULL == root)
         return 0;
@@ -126,7 +126,7 @@ static int get_num(struct node_st* root)
 }
 
 
-static struct node_st* find_min(struct node_st* root)
+static struct node_st *find_min(struct node_st *root)
 {
     if (NULL == root->l)
         return root;
@@ -141,9 +141,9 @@ static struct node_st* find_min(struct node_st* root)
  *
  * @param    root
  */
-static void turn_left(struct node_st** root)
+static void turn_left(struct node_st **root)
 {
-    struct node_st* cur = *root;
+    struct node_st *cur = *root;
 
     *root  = cur->r;
     cur->r = NULL;
@@ -154,7 +154,7 @@ static void turn_left(struct node_st** root)
 }
 
 
-static struct node_st* find_max(struct node_st* root)
+static struct node_st *find_max(struct node_st *root)
 {
     if (NULL == root->r)
         return root;
@@ -169,9 +169,9 @@ static struct node_st* find_max(struct node_st* root)
  *
  * @param    root
  */
-static void turn_right(struct node_st** root)
+static void turn_right(struct node_st **root)
 {
-    struct node_st* cur = *root;
+    struct node_st *cur = *root;
 
     *root  = cur->l;
     cur->l = NULL;
@@ -189,7 +189,7 @@ static void turn_right(struct node_st** root)
  *
  * @param    root
  */
-static void balance(struct node_st** root)
+static void balance(struct node_st **root)
 {
     if (NULL == *root)
         return;
@@ -221,10 +221,10 @@ static void balance(struct node_st** root)
  * @param    root
  * @param    tmpid
  */
-static void delete(struct node_st** root, int id)
+static void delete(struct node_st **root, int id)
 {
-    struct node_st** node = root;
-    struct node_st*  cur;
+    struct node_st **node = root;
+    struct node_st  *cur;
 
     while (*node != NULL && (*node)->data.id != id)
     {
@@ -279,16 +279,16 @@ static void travel(struct node_st *root)
  *
  * @param    root
  */
-static void travel(struct node_st* root)
+static void travel(struct node_st *root)
 {
     if (NULL == root)
         return;
 
     int             ret;
-    QUEUE*          qu;
-    struct node_st* cur;
+    QUEUE          *qu;
+    struct node_st *cur;
 
-    qu = queue_create(sizeof(struct node_st*));
+    qu = queue_create(sizeof(struct node_st *));
     if (NULL == qu)
         return;
 
diff --git a/C11-数据结构/ds/tree/retrieval/trie.c b/C11-数据结构/ds/tree/retrieval/trie.c
index b86b86f..eabec00 100644
--- a/C11-数据结构/ds/tree/retrieval/trie.c
+++ b/C11-数据结构/ds/tree/retrieval/trie.c
@@ -9,14 +9,14 @@
 
 struct node_st
 {
-    struct node_st* ch[26];
+    struct node_st *ch[26];
     char            desc[DESC_SIZE];
 };
 
-static int get_word(FILE* fp, char* key, char* desc)
+static int get_word(FILE *fp, char *key, char *desc)
 {
     char  buf[BUFSIZE];
-    char* retp;
+    char *retp;
     int   i, j;
 
     retp = fgets(buf, BUFSIZE, fp);
@@ -36,9 +36,9 @@ static int get_word(FILE* fp, char* key, char* desc)
     return 0;
 }
 
-static struct node_st* newnode( )
+static struct node_st *newnode( )
 {
-    struct node_st* node;
+    struct node_st *node;
     int             i;
 
     node = malloc(sizeof(*node));
@@ -53,7 +53,7 @@ static struct node_st* newnode( )
     return node;
 }
 
-static int insert(struct node_st** root, char* key, char* desc)
+static int insert(struct node_st **root, char *key, char *desc)
 {
     if (NULL == *root)
     {
@@ -71,7 +71,7 @@ static int insert(struct node_st** root, char* key, char* desc)
     return insert((*root)->ch + *key - 'a', key + 1, desc);
 }
 
-static char* find(struct node_st* root, char* key)
+static char *find(struct node_st *root, char *key)
 {
     if (NULL == root)
         return NULL;
@@ -84,11 +84,11 @@ static char* find(struct node_st* root, char* key)
 
 int main( )
 {
-    struct node_st* tree;
-    FILE*           fp;
+    struct node_st *tree;
+    FILE           *fp;
     char            desc[DESC_SIZE] = {'\0'}, key[KEY_SIZE] = {'\0'};
     int             ret;
-    char*           datap;
+    char           *datap;
 
     fp = fopen(FNAME, "r");
     if (NULL == fp)
diff --git a/C11-数据结构/ds/tree/save_load/load.c b/C11-数据结构/ds/tree/save_load/load.c
index 0c0891e..9dded30 100644
--- a/C11-数据结构/ds/tree/save_load/load.c
+++ b/C11-数据结构/ds/tree/save_load/load.c
@@ -12,10 +12,10 @@ struct node_st
 };
 
 
-struct node_st* tree = NULL;
+struct node_st *tree = NULL;
 
 
-static void draw_(struct node_st* root, int level)
+static void draw_(struct node_st *root, int level)
 {
     if (NULL == root)
         return;
@@ -37,17 +37,17 @@ static void draw_(struct node_st* root, int level)
  *D
  * @param    root
  */
-static void draw(struct node_st* root)
+static void draw(struct node_st *root)
 {
     draw_(root, 0);
 
     printf("\n\n");
 }
 
-static struct node_st* load_(FILE* fp)
+static struct node_st *load_(FILE *fp)
 {
     int             c;
-    struct node_st* root;
+    struct node_st *root;
 
     c = fgetc(fp);
     /* if error */
@@ -78,10 +78,10 @@ static struct node_st* load_(FILE* fp)
 
 
 
-static struct node_st* load(const char* path)
+static struct node_st *load(const char *path)
 {
-    FILE*           fp;
-    struct node_st* root;
+    FILE           *fp;
+    struct node_st *root;
 
     fp = fopen(path, "r");
     if (NULL == fp)
@@ -96,7 +96,7 @@ static struct node_st* load(const char* path)
 
 int main( )
 {
-    struct node_st* root;
+    struct node_st *root;
 
     root = load(FNAME);
 
diff --git a/C11-数据结构/ds/tree/save_load/save.c b/C11-数据结构/ds/tree/save_load/save.c
index b58393b..3b8f7e4 100644
--- a/C11-数据结构/ds/tree/save_load/save.c
+++ b/C11-数据结构/ds/tree/save_load/save.c
@@ -12,7 +12,7 @@ struct node_st
 };
 
 
-struct node_st* tree = NULL;
+struct node_st *tree = NULL;
 
 /**
  * @brief    插入节点
@@ -27,9 +27,9 @@ struct node_st* tree = NULL;
  * @param    data
  * @return  int
  */
-static int insert(struct node_st** root, int data)
+static int insert(struct node_st **root, int data)
 {
-    struct node_st* node;
+    struct node_st *node;
 
     if (NULL == *root)
     {
@@ -51,7 +51,7 @@ static int insert(struct node_st** root, int data)
 }
 
 
-static void draw_(struct node_st* root, int level)
+static void draw_(struct node_st *root, int level)
 {
     if (NULL == root)
         return;
@@ -73,7 +73,7 @@ static void draw_(struct node_st* root, int level)
  *D
  * @param    root
  */
-static void draw(struct node_st* root)
+static void draw(struct node_st *root)
 {
     draw_(root, 0);
 
@@ -81,7 +81,7 @@ static void draw(struct node_st* root)
 }
 
 
-static int save_(struct node_st* root, FILE* fp)
+static int save_(struct node_st *root, FILE *fp)
 {
     fputc('(', fp);
     /* if error */
@@ -102,9 +102,9 @@ static int save_(struct node_st* root, FILE* fp)
     /* if error */
 }
 
-static int save(struct node_st* root, const char* path)
+static int save(struct node_st *root, const char *path)
 {
-    FILE* fp;
+    FILE *fp;
     fp = fopen(path, "w");
     if (NULL == fp)
         return -1;
@@ -122,7 +122,7 @@ int main( )
 {
     char             arr[] = "cefadjbh";
     int              i;
-    struct score_st* datap;
+    struct score_st *datap;
 
     for (i = 0; i < sizeof(arr) / sizeof(*arr) - 1; i++)
     {
diff --git a/C13-IO/stdio/atoi.c b/C13-IO/stdio/atoi.c
index ba66af0..b6f9b57 100644
--- a/C13-IO/stdio/atoi.c
+++ b/C13-IO/stdio/atoi.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     char buf[1024];
     int  year = 2014, month = 5, day = 13;
diff --git a/C13-IO/stdio/fflush.c b/C13-IO/stdio/fflush.c
index 5f19d9b..35f93c2 100644
--- a/C13-IO/stdio/fflush.c
+++ b/C13-IO/stdio/fflush.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int i;
 
diff --git a/C13-IO/stdio/fgetc.c b/C13-IO/stdio/fgetc.c
index ba11ac5..7e04d6e 100644
--- a/C13-IO/stdio/fgetc.c
+++ b/C13-IO/stdio/fgetc.c
@@ -1,9 +1,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE* fp;
+    FILE *fp;
     int   count;
 
     if (argc < 2)
diff --git a/C13-IO/stdio/flen.c b/C13-IO/stdio/flen.c
index 91b515e..791862a 100644
--- a/C13-IO/stdio/flen.c
+++ b/C13-IO/stdio/flen.c
@@ -1,9 +1,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE* fp;
+    FILE *fp;
 
     if (argc < 2)
     {
diff --git a/C13-IO/stdio/fopen.c b/C13-IO/stdio/fopen.c
index 184dd07..da70698 100644
--- a/C13-IO/stdio/fopen.c
+++ b/C13-IO/stdio/fopen.c
@@ -5,7 +5,7 @@
 
 int main( )
 {
-    FILE* fp;
+    FILE *fp;
 
     fp = fopen("tmp", "r");
     if (NULL == fp)
diff --git a/C13-IO/stdio/getline.c b/C13-IO/stdio/getline.c
index bb747ea..e641a29 100644
--- a/C13-IO/stdio/getline.c
+++ b/C13-IO/stdio/getline.c
@@ -2,10 +2,10 @@
 #include <stdlib.h>
 #include <string.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE*  fp;
-    char*  linebuf;
+    FILE  *fp;
+    char  *linebuf;
     size_t linesize;
 
     if (argc < 2)
diff --git a/C13-IO/stdio/maxfopen.c b/C13-IO/stdio/maxfopen.c
index d733853..0e5092c 100644
--- a/C13-IO/stdio/maxfopen.c
+++ b/C13-IO/stdio/maxfopen.c
@@ -5,7 +5,7 @@
 
 int main( )
 {
-    FILE* fp    = NULL;
+    FILE *fp    = NULL;
     int   count = 0;
 
 
diff --git a/C13-IO/stdio/mycpy.c b/C13-IO/stdio/mycpy.c
index 056e469..34a6f32 100644
--- a/C13-IO/stdio/mycpy.c
+++ b/C13-IO/stdio/mycpy.c
@@ -9,7 +9,7 @@
  * @return  int
  */
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     FILE *fps, *fpd;
     int   ch;
diff --git a/C13-IO/stdio/mycpy_fgets.c b/C13-IO/stdio/mycpy_fgets.c
index b99fbdb..774e2e7 100644
--- a/C13-IO/stdio/mycpy_fgets.c
+++ b/C13-IO/stdio/mycpy_fgets.c
@@ -11,7 +11,7 @@
  * @return  int
  */
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     FILE *fps, *fpd;
     char  buf[BUFSIZE];
diff --git a/C13-IO/stdio/mycpy_fread.c b/C13-IO/stdio/mycpy_fread.c
index 82d5dbb..a09fbaf 100644
--- a/C13-IO/stdio/mycpy_fread.c
+++ b/C13-IO/stdio/mycpy_fread.c
@@ -11,7 +11,7 @@
  * @return  int
  */
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     FILE *fps, *fpd;
     char  buf[BUFSIZE];
diff --git a/C13-IO/sys/ab.c b/C13-IO/sys/ab.c
index 91c8e41..566389c 100644
--- a/C13-IO/sys/ab.c
+++ b/C13-IO/sys/ab.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     putchar('a');
     write(1, "b", 1);
diff --git a/C13-IO/sys/dup.c b/C13-IO/sys/dup.c
index a377267..63b3025 100644
--- a/C13-IO/sys/dup.c
+++ b/C13-IO/sys/dup.c
@@ -5,7 +5,7 @@
 
 #define FNAME "/tmp/out"
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int fd;
 
diff --git a/C13-IO/sys/mycpy.c b/C13-IO/sys/mycpy.c
index 86db4b7..8296146 100644
--- a/C13-IO/sys/mycpy.c
+++ b/C13-IO/sys/mycpy.c
@@ -10,7 +10,7 @@
  * time ./mycpy /etc/services /tmp/out
  */
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int  sfd, dfd;
     char buf[BUFSIZE];
diff --git a/C13-IO/sys/mycpy_bufsize.c b/C13-IO/sys/mycpy_bufsize.c
index 100460d..c0a6768 100644
--- a/C13-IO/sys/mycpy_bufsize.c
+++ b/C13-IO/sys/mycpy_bufsize.c
@@ -14,7 +14,7 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 4)
     {
diff --git a/C14-文件系统/fs/100days.c b/C14-文件系统/fs/100days.c
index 534f08b..134e562 100644
--- a/C14-文件系统/fs/100days.c
+++ b/C14-文件系统/fs/100days.c
@@ -13,10 +13,10 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     time_t     stamp;
-    struct tm* tm;
+    struct tm *tm;
     char       timestr[TIMESTRSIZE];
 
     time(&stamp);
diff --git a/C14-文件系统/fs/W_process_excel.c b/C14-文件系统/fs/W_process_excel.c
index 6b7b3b5..7b8fc5c 100644
--- a/C14-文件系统/fs/W_process_excel.c
+++ b/C14-文件系统/fs/W_process_excel.c
@@ -22,7 +22,7 @@
  * @return  int 读到的一行数据的数据个数( n>=0 )
  *              -1: 读到文件尾部或者出错
  */
-static int read_line(int fd, unsigned char* buf)
+static int read_line(int fd, unsigned char *buf)
 {
     unsigned char c;
     int           len;
@@ -70,7 +70,7 @@ static int read_line(int fd, unsigned char* buf)
  *
  * @return  int
  */
-static void process_data(unsigned char* data_buf, unsigned char* result_buf)
+static void process_data(unsigned char *data_buf, unsigned char *result_buf)
 {
     /**
      *   eg1: data_buf=",语文,数学,英语,总分,评价"
@@ -84,7 +84,7 @@ static void process_data(unsigned char* data_buf, unsigned char* result_buf)
     char  name[100];
     int   scores[3];
     int   sum;
-    char* levels[] = {"A+", "A", "B"};
+    char *levels[] = {"A+", "A", "B"};
     int   level;
 
     // debug("data_buf[0]: %x\n", data_buf[0]);
@@ -146,7 +146,7 @@ static void process_data(unsigned char* data_buf, unsigned char* result_buf)
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int           fd_data, fd_result;
     int           len;
diff --git a/C14-文件系统/fs/atexit.c b/C14-文件系统/fs/atexit.c
index 7f4af8b..f3d9dbc 100644
--- a/C14-文件系统/fs/atexit.c
+++ b/C14-文件系统/fs/atexit.c
@@ -16,7 +16,7 @@ static void f3(void)
     puts("f3() is working!");
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     puts("Begin!");
 
diff --git a/C14-文件系统/fs/big.c b/C14-文件系统/fs/big.c
index 4b2953a..55b8ed3 100644
--- a/C14-文件系统/fs/big.c
+++ b/C14-文件系统/fs/big.c
@@ -5,7 +5,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
diff --git a/C14-文件系统/fs/check.c b/C14-文件系统/fs/check.c
index f584e8c..e3baf66 100644
--- a/C14-文件系统/fs/check.c
+++ b/C14-文件系统/fs/check.c
@@ -16,7 +16,7 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
@@ -24,9 +24,9 @@ int main(int argc, char** argv)
         exit(1);
     }
 
-    char*        input_pass;
-    struct spwd* shadowline;
-    char*        crypt_pass;
+    char        *input_pass;
+    struct spwd *shadowline;
+    char        *crypt_pass;
 
     //* getpass()函数在输入密码时不会回显密码
     input_pass = getpass("PassWord: ");
diff --git a/C14-文件系统/fs/flen.c b/C14-文件系统/fs/flen.c
index 2d275f6..b992bbb 100644
--- a/C14-文件系统/fs/flen.c
+++ b/C14-文件系统/fs/flen.c
@@ -4,7 +4,7 @@
 #include <sys/types.h>
 
 // !!! 不是int
-static off_t flen(char* fname)
+static off_t flen(char *fname)
 {
     struct stat statres;
 
@@ -26,7 +26,7 @@ static off_t flen(char* fname)
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
diff --git a/C14-文件系统/fs/ftype.c b/C14-文件系统/fs/ftype.c
index 77f2a53..4066fea 100644
--- a/C14-文件系统/fs/ftype.c
+++ b/C14-文件系统/fs/ftype.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
-static int ftype(const char* fname)
+static int ftype(const char *fname)
 {
     struct stat statres;
 
@@ -40,7 +40,7 @@ static int ftype(const char* fname)
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
diff --git a/C14-文件系统/fs/getenv.c b/C14-文件系统/fs/getenv.c
index bf48730..a4c2383 100644
--- a/C14-文件系统/fs/getenv.c
+++ b/C14-文件系统/fs/getenv.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
 
     puts(getenv("PATH"));
diff --git a/C14-文件系统/fs/glob.c b/C14-文件系统/fs/glob.c
index 42b0212..473990c 100644
--- a/C14-文件系统/fs/glob.c
+++ b/C14-文件系统/fs/glob.c
@@ -23,7 +23,7 @@ static int errfunc_(const char *errpath, int eerrno)
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     glob_t globres;
     int    err;
diff --git a/C14-文件系统/fs/jmp.c b/C14-文件系统/fs/jmp.c
index c5f1e73..3ac7165 100644
--- a/C14-文件系统/fs/jmp.c
+++ b/C14-文件系统/fs/jmp.c
@@ -68,7 +68,7 @@ static void a(void)
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     printf("%s():Begin.\n", __FUNCTION__);
     printf("%s():Call a().\n", __FUNCTION__);
diff --git a/C14-文件系统/fs/main.c b/C14-文件系统/fs/main.c
index 19dda02..7d05e2b 100644
--- a/C14-文件系统/fs/main.c
+++ b/C14-文件系统/fs/main.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     printf("argc = %d\n", argc);
 
diff --git a/C14-文件系统/fs/main1.c b/C14-文件系统/fs/main1.c
index 4ef9a9f..d0ce5f3 100644
--- a/C14-文件系统/fs/main1.c
+++ b/C14-文件系统/fs/main1.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     printf("Hello, World!\n");
 
diff --git a/C14-文件系统/fs/mydate.c b/C14-文件系统/fs/mydate.c
index 53b6913..934d43a 100644
--- a/C14-文件系统/fs/mydate.c
+++ b/C14-文件系统/fs/mydate.c
@@ -25,15 +25,15 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     time_t     stamp;
-    struct tm* tm;
+    struct tm *tm;
     char       timestr[TIMESTRSIZE];
     int        c;
     char       fmtstr[FMTSTRSIZE];
     fmtstr[0] = '\0';
-    FILE* fp  = stdout;
+    FILE *fp  = stdout;
 
     time(&stamp);
     tm = localtime(&stamp);
diff --git a/C14-文件系统/fs/mydu.c b/C14-文件系统/fs/mydu.c
index 1a4d209..dab4164 100644
--- a/C14-文件系统/fs/mydu.c
+++ b/C14-文件系统/fs/mydu.c
@@ -7,9 +7,9 @@
 
 #define PATHSIZE 1024
 
-static int path_noloop(const char* path)
+static int path_noloop(const char *path)
 {
-    char* pos;
+    char *pos;
 
     /**
      * @brief    strrchr
@@ -27,7 +27,7 @@ static int path_noloop(const char* path)
     return 1;
 }
 
-static int64_t mydu(const char* path)
+static int64_t mydu(const char *path)
 {
     // 优化递归
     // 将部分与递归无关的变量拿出栈，用 static 修饰
@@ -111,7 +111,7 @@ static int64_t mydu(const char* path)
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
diff --git a/C14-文件系统/fs/myenv.c b/C14-文件系统/fs/myenv.c
index 26b9457..1e556e8 100644
--- a/C14-文件系统/fs/myenv.c
+++ b/C14-文件系统/fs/myenv.c
@@ -1,9 +1,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-extern char** environ;
+extern char **environ;
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
 
     for (int i = 0; environ[i] != NULL; i++)
diff --git a/C14-文件系统/fs/readdir.c b/C14-文件系统/fs/readdir.c
index 42bf928..76a7b00 100644
--- a/C14-文件系统/fs/readdir.c
+++ b/C14-文件系统/fs/readdir.c
@@ -14,10 +14,10 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    DIR*           dp;
-    struct dirent* cur;
+    DIR           *dp;
+    struct dirent *cur;
 
     dp = opendir(PAT);
     if (NULL == dp)
diff --git a/C14-文件系统/fs/timelog.c b/C14-文件系统/fs/timelog.c
index b74adb7..7e6bf25 100644
--- a/C14-文件系统/fs/timelog.c
+++ b/C14-文件系统/fs/timelog.c
@@ -16,11 +16,11 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE*      fp;
+    FILE      *fp;
     time_t     stamp;
-    struct tm* tm;
+    struct tm *tm;
     char       buf[BUFSIZE];
     int        count = 0;
 
diff --git a/C14-文件系统/fs/username.c b/C14-文件系统/fs/username.c
index 63a4bbc..7c4bbb5 100644
--- a/C14-文件系统/fs/username.c
+++ b/C14-文件系统/fs/username.c
@@ -11,7 +11,7 @@
  *
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 2)
     {
@@ -19,7 +19,7 @@ int main(int argc, char** argv)
         exit(1);
     }
 
-    struct passwd* pwdline;
+    struct passwd *pwdline;
 
     pwdline = getpwuid(atoi(argv[1]));
 
diff --git a/C15-进程/process_basic/ex.c b/C15-进程/process_basic/ex.c
index 89db228..6d85cdd 100644
--- a/C15-进程/process_basic/ex.c
+++ b/C15-进程/process_basic/ex.c
@@ -10,7 +10,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     puts("Begin!");
     fflush(NULL);   // !!!
diff --git a/C15-进程/process_basic/few.c b/C15-进程/process_basic/few.c
index 0649214..7681f03 100644
--- a/C15-进程/process_basic/few.c
+++ b/C15-进程/process_basic/few.c
@@ -12,7 +12,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     pid_t pid;
 
diff --git a/C15-进程/process_basic/fork1.c b/C15-进程/process_basic/fork1.c
index 79b79a9..20f47c6 100644
--- a/C15-进程/process_basic/fork1.c
+++ b/C15-进程/process_basic/fork1.c
@@ -2,7 +2,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     pid_t pid;
 
diff --git a/C15-进程/process_basic/mydaemon.c b/C15-进程/process_basic/mydaemon.c
index 70cc4a0..828710f 100644
--- a/C15-进程/process_basic/mydaemon.c
+++ b/C15-进程/process_basic/mydaemon.c
@@ -41,9 +41,9 @@ static int deamonize(void)
     return 0;
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    FILE* fp;
+    FILE *fp;
     int   i;
 
     openlog("mydaemon", LOG_PID, LOG_DAEMON);
diff --git a/C15-进程/process_basic/myshell.c b/C15-进程/process_basic/myshell.c
index 44a0049..042d448 100644
--- a/C15-进程/process_basic/myshell.c
+++ b/C15-进程/process_basic/myshell.c
@@ -29,9 +29,9 @@ static void prompt(void)
  * @param    line
  * @param    res
  */
-static void parse(char* line, struct cmd_st* res)
+static void parse(char *line, struct cmd_st *res)
 {
-    char* tok;
+    char *tok;
     int   i = 0;
 
     //* 根据分隔符分割小串
@@ -52,9 +52,9 @@ static void parse(char* line, struct cmd_st* res)
     }
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
-    char*         linebuf      = NULL;
+    char         *linebuf      = NULL;
     size_t        linebuf_size = 0;
     struct cmd_st cmd;
     pid_t         pid;
diff --git a/C15-进程/process_basic/mysu.c b/C15-进程/process_basic/mysu.c
index 582a095..56d6140 100644
--- a/C15-进程/process_basic/mysu.c
+++ b/C15-进程/process_basic/mysu.c
@@ -13,7 +13,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     if (argc < 3)
     {
diff --git a/C15-进程/process_basic/primer0.c b/C15-进程/process_basic/primer0.c
index a1e4da9..98c9638 100644
--- a/C15-进程/process_basic/primer0.c
+++ b/C15-进程/process_basic/primer0.c
@@ -13,7 +13,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int i, j, mark;
 
diff --git a/C15-进程/process_basic/primer1.c b/C15-进程/process_basic/primer1.c
index 2029ac5..a08864a 100644
--- a/C15-进程/process_basic/primer1.c
+++ b/C15-进程/process_basic/primer1.c
@@ -13,7 +13,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int   i, j, mark;
     pid_t pid;
diff --git a/C15-进程/process_basic/primer2.c b/C15-进程/process_basic/primer2.c
index 0157acc..f4ad5c5 100644
--- a/C15-进程/process_basic/primer2.c
+++ b/C15-进程/process_basic/primer2.c
@@ -14,7 +14,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int   i, j, mark;
     pid_t pid;
diff --git a/C15-进程/process_basic/primerN.c b/C15-进程/process_basic/primerN.c
index 4c71d63..f9674f9 100644
--- a/C15-进程/process_basic/primerN.c
+++ b/C15-进程/process_basic/primerN.c
@@ -16,7 +16,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int   i, j, n, mark;
     pid_t pid;
diff --git a/C15-进程/process_basic/sleep.c b/C15-进程/process_basic/sleep.c
index 8b109bc..9043039 100644
--- a/C15-进程/process_basic/sleep.c
+++ b/C15-进程/process_basic/sleep.c
@@ -12,7 +12,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     pid_t pid;
 
diff --git a/C15-进程/process_basic/system.c b/C15-进程/process_basic/system.c
index 2686593..e4ea71f 100644
--- a/C15-进程/process_basic/system.c
+++ b/C15-进程/process_basic/system.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     system("date +%s > /tmp/out");
 
diff --git a/C15-进程/process_basic/system1.c b/C15-进程/process_basic/system1.c
index c8d843f..5c196c3 100644
--- a/C15-进程/process_basic/system1.c
+++ b/C15-进程/process_basic/system1.c
@@ -12,7 +12,7 @@
  * @param    argv
  * @return  int
  */
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     pid_t pid;
 
diff --git a/C16-并发/parallel/signal/5sec.c b/C16-并发/parallel/signal/5sec.c
index 081f3e3..3182b04 100644
--- a/C16-并发/parallel/signal/5sec.c
+++ b/C16-并发/parallel/signal/5sec.c
@@ -9,7 +9,7 @@
  * @param    argv
  * @return  int
  ***********************************************************************/
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     time_t    end;
     long long count = 0;
diff --git a/C16-并发/parallel/signal/5sec_sig.c b/C16-并发/parallel/signal/5sec_sig.c
index 13af1d4..5007058 100644
--- a/C16-并发/parallel/signal/5sec_sig.c
+++ b/C16-并发/parallel/signal/5sec_sig.c
@@ -17,7 +17,7 @@ static void alrm_handler(int sig)
  * @param    argv
  * @return   int
  ***********************************************************************/
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     long long count = 0;
 
diff --git a/C16-并发/parallel/signal/alarm.c b/C16-并发/parallel/signal/alarm.c
index acbf544..7db9662 100644
--- a/C16-并发/parallel/signal/alarm.c
+++ b/C16-并发/parallel/signal/alarm.c
@@ -1,7 +1,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     alarm(10);
     alarm(1);
diff --git a/C16-并发/parallel/signal/anytimer/anytimer.h b/C16-并发/parallel/signal/anytimer/anytimer.h
index 64d8e5d..81e8e3f 100644
--- a/C16-并发/parallel/signal/anytimer/anytimer.h
+++ b/C16-并发/parallel/signal/anytimer/anytimer.h
@@ -2,7 +2,7 @@
 #define __ANYTIMER__H__
 
 #define JOB_MAX 1024
-typedef void at_jobfunc_t(void*);
+typedef void at_jobfunc_t(void *);
 
 /********************************************************************
  * @brief    创建定时器
@@ -16,7 +16,7 @@ typedef void at_jobfunc_t(void*);
  *       == -ENOMEM   失败，内存不足
  *       == -ENOSPC   失败，数组满
  ********************************************************************/
-int at_addjob(int sec, at_jobfunc_t* jobp, void* arg);
+int at_addjob(int sec, at_jobfunc_t *jobp, void *arg);
 
 /********************************************************************
  * @brief    取消定时器
diff --git a/C16-并发/parallel/signal/anytimer/main.c b/C16-并发/parallel/signal/anytimer/main.c
index 9bd6201..859f21b 100644
--- a/C16-并发/parallel/signal/anytimer/main.c
+++ b/C16-并发/parallel/signal/anytimer/main.c
@@ -4,17 +4,17 @@
 #include <string.h>
 #include <unistd.h>
 
-static void f1(void* p)
+static void f1(void *p)
 {
-    printf("f1():%s\n", (char*)p);
+    printf("f1():%s\n", (char *)p);
 }
 
-static void f2(void* p)
+static void f2(void *p)
 {
-    printf("f1():%s\n", (char*)p);
+    printf("f1():%s\n", (char *)p);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int job1;
 
diff --git a/C16-并发/parallel/signal/block.c b/C16-并发/parallel/signal/block.c
index f59e1e2..2fc65d3 100644
--- a/C16-并发/parallel/signal/block.c
+++ b/C16-并发/parallel/signal/block.c
@@ -8,7 +8,7 @@ static void int_hander(int s)
     write(1, "!", 1);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int      i;
     int      j;
diff --git a/C16-并发/parallel/signal/mycpy.c b/C16-并发/parallel/signal/mycpy.c
index e76a266..3314634 100644
--- a/C16-并发/parallel/signal/mycpy.c
+++ b/C16-并发/parallel/signal/mycpy.c
@@ -11,7 +11,7 @@
  * time ./mycpy /etc/services /tmp/out
  */
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int  sfd, dfd;
     char buf[BUFSIZE];
diff --git a/C16-并发/parallel/signal/mydaemon.c b/C16-并发/parallel/signal/mydaemon.c
index a57194a..6c86678 100644
--- a/C16-并发/parallel/signal/mydaemon.c
+++ b/C16-并发/parallel/signal/mydaemon.c
@@ -12,7 +12,7 @@
 
 #define FNAME "/tmp/out"
 
-static FILE* fp;
+static FILE *fp;
 
 static int deamonize(void)
 {
@@ -53,7 +53,7 @@ static void daemon_exit(int s)
     exit(0);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int              i;
     struct sigaction sa;
diff --git a/C16-并发/parallel/signal/mytbf/main.c b/C16-并发/parallel/signal/mytbf/main.c
index 3837418..b5bd933 100644
--- a/C16-并发/parallel/signal/mytbf/main.c
+++ b/C16-并发/parallel/signal/mytbf/main.c
@@ -14,13 +14,13 @@
 #define BURST   100   //!! token上限
 
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int      sfd, dfd = 1;
     char     buf[BUFSIZE];
     int      len, ret, pos;
     int      size;
-    mytbf_t* tbf;
+    mytbf_t *tbf;
 
     if (argc < 2)
     {
diff --git a/C16-并发/parallel/signal/mytbf/mytbf.c b/C16-并发/parallel/signal/mytbf/mytbf.c
index 3b6e340..4e7206d 100644
--- a/C16-并发/parallel/signal/mytbf/mytbf.c
+++ b/C16-并发/parallel/signal/mytbf/mytbf.c
@@ -25,7 +25,7 @@ struct mytbf_st
     int pos;
 };
 
-static struct mytbf_st* job[MYTBF_MAX];
+static struct mytbf_st *job[MYTBF_MAX];
 static int              inited = 0;
 static __sighandler_t   alrm_handler_save;   //!!! 保存原来的alarm行为
 
@@ -78,9 +78,9 @@ static void module_load( )
     atexit(module_unload);   //!!! atexit()
 }
 
-mytbf_t* mytbf_init(int cps, int burst)
+mytbf_t *mytbf_init(int cps, int burst)
 {
-    struct mytbf_st* me;
+    struct mytbf_st *me;
     int              pos;
 
     if (!inited)
@@ -112,12 +112,12 @@ static int min(int a, int b)
     return a < b ? a : b;
 }
 
-int mytbf_fetchtoken(mytbf_t* ptr, int size)
+int mytbf_fetchtoken(mytbf_t *ptr, int size)
 {
     if (size <= 0)
         return -EINVAL;
 
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
     int              n;
 
     while (me->token <= 0)
@@ -130,12 +130,12 @@ int mytbf_fetchtoken(mytbf_t* ptr, int size)
     return n;
 }
 
-int mytbf_returntoken(mytbf_t* ptr, int size)
+int mytbf_returntoken(mytbf_t *ptr, int size)
 {
     if (size <= 0)
         return -EINVAL;
 
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
 
     me->token += size;
     if (me->token > me->burst)
@@ -144,9 +144,9 @@ int mytbf_returntoken(mytbf_t* ptr, int size)
     return size;
 }
 
-int mytbf_destroy(mytbf_t* ptr)
+int mytbf_destroy(mytbf_t *ptr)
 {
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
 
     job[me->pos] = NULL;
 
diff --git a/C16-并发/parallel/signal/mytbf/mytbf.h b/C16-并发/parallel/signal/mytbf/mytbf.h
index 7013646..c85cafc 100644
--- a/C16-并发/parallel/signal/mytbf/mytbf.h
+++ b/C16-并发/parallel/signal/mytbf/mytbf.h
@@ -15,12 +15,12 @@
 #define MYTBF_MAX 1024
 typedef void mytbf_t;
 
-mytbf_t* mytbf_init(int cps, int burst);
+mytbf_t *mytbf_init(int cps, int burst);
 
-int mytbf_fetchtoken(mytbf_t*, int);
+int mytbf_fetchtoken(mytbf_t *, int);
 
-int mytbf_returntoken(mytbf_t*, int);
+int mytbf_returntoken(mytbf_t *, int);
 
-int mytbf_destroy(mytbf_t*);
+int mytbf_destroy(mytbf_t *);
 
 #endif   //!__MYTBF__H__
\ No newline at end of file
diff --git a/C16-并发/parallel/signal/mytbf_sa/main.c b/C16-并发/parallel/signal/mytbf_sa/main.c
index 3837418..b5bd933 100644
--- a/C16-并发/parallel/signal/mytbf_sa/main.c
+++ b/C16-并发/parallel/signal/mytbf_sa/main.c
@@ -14,13 +14,13 @@
 #define BURST   100   //!! token上限
 
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int      sfd, dfd = 1;
     char     buf[BUFSIZE];
     int      len, ret, pos;
     int      size;
-    mytbf_t* tbf;
+    mytbf_t *tbf;
 
     if (argc < 2)
     {
diff --git a/C16-并发/parallel/signal/mytbf_sa/mytbf.c b/C16-并发/parallel/signal/mytbf_sa/mytbf.c
index ba91f7b..0f2a537 100644
--- a/C16-并发/parallel/signal/mytbf_sa/mytbf.c
+++ b/C16-并发/parallel/signal/mytbf_sa/mytbf.c
@@ -28,7 +28,7 @@ struct mytbf_st
     int pos;
 };
 
-static struct mytbf_st* job[MYTBF_MAX];
+static struct mytbf_st *job[MYTBF_MAX];
 static int              inited = 0;
 static struct sigaction sa, alrm_sa_save;
 
@@ -46,7 +46,7 @@ static int get_free_pos( )
     return -1;
 }
 
-static void alrm_action(int s, siginfo_t* infop, void* unused)
+static void alrm_action(int s, siginfo_t *infop, void *unused)
 {
     int i;
 
@@ -124,9 +124,9 @@ static void module_load( )
     atexit(module_unload);   //!!! atexit()
 }
 
-mytbf_t* mytbf_init(int cps, int burst)
+mytbf_t *mytbf_init(int cps, int burst)
 {
-    struct mytbf_st* me;
+    struct mytbf_st *me;
     int              pos;
 
     if (!inited)
@@ -158,12 +158,12 @@ static int min(int a, int b)
     return a < b ? a : b;
 }
 
-int mytbf_fetchtoken(mytbf_t* ptr, int size)
+int mytbf_fetchtoken(mytbf_t *ptr, int size)
 {
     if (size <= 0)
         return -EINVAL;
 
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
     int              n;
 
     while (me->token <= 0)
@@ -176,12 +176,12 @@ int mytbf_fetchtoken(mytbf_t* ptr, int size)
     return n;
 }
 
-int mytbf_returntoken(mytbf_t* ptr, int size)
+int mytbf_returntoken(mytbf_t *ptr, int size)
 {
     if (size <= 0)
         return -EINVAL;
 
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
 
     me->token += size;
     if (me->token > me->burst)
@@ -190,9 +190,9 @@ int mytbf_returntoken(mytbf_t* ptr, int size)
     return size;
 }
 
-int mytbf_destroy(mytbf_t* ptr)
+int mytbf_destroy(mytbf_t *ptr)
 {
-    struct mytbf_st* me = ptr;
+    struct mytbf_st *me = ptr;
 
     job[me->pos] = NULL;
 
diff --git a/C16-并发/parallel/signal/mytbf_sa/mytbf.h b/C16-并发/parallel/signal/mytbf_sa/mytbf.h
index 7013646..c85cafc 100644
--- a/C16-并发/parallel/signal/mytbf_sa/mytbf.h
+++ b/C16-并发/parallel/signal/mytbf_sa/mytbf.h
@@ -15,12 +15,12 @@
 #define MYTBF_MAX 1024
 typedef void mytbf_t;
 
-mytbf_t* mytbf_init(int cps, int burst);
+mytbf_t *mytbf_init(int cps, int burst);
 
-int mytbf_fetchtoken(mytbf_t*, int);
+int mytbf_fetchtoken(mytbf_t *, int);
 
-int mytbf_returntoken(mytbf_t*, int);
+int mytbf_returntoken(mytbf_t *, int);
 
-int mytbf_destroy(mytbf_t*);
+int mytbf_destroy(mytbf_t *);
 
 #endif   //!__MYTBF__H__
\ No newline at end of file
diff --git a/C16-并发/parallel/signal/slowcat.c b/C16-并发/parallel/signal/slowcat.c
index 1a3a7b5..2b1108e 100644
--- a/C16-并发/parallel/signal/slowcat.c
+++ b/C16-并发/parallel/signal/slowcat.c
@@ -24,7 +24,7 @@ static void alrm_handler(int s)
  * @param    argv
  * @return   int
  ***********************************************************************/
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int              sfd, dfd = 1;
     char             buf[BUFSIZE];
diff --git a/C16-并发/parallel/signal/slowcat2.c b/C16-并发/parallel/signal/slowcat2.c
index 7064230..7c4cda4 100644
--- a/C16-并发/parallel/signal/slowcat2.c
+++ b/C16-并发/parallel/signal/slowcat2.c
@@ -27,7 +27,7 @@ static void alrm_handler(int s)
  * @param    argv
  * @return   int
  ***********************************************************************/
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int  sfd, dfd = 1;
     char buf[BUFSIZE];
diff --git a/C16-并发/parallel/signal/star.c b/C16-并发/parallel/signal/star.c
index d9c5c16..9505a42 100644
--- a/C16-并发/parallel/signal/star.c
+++ b/C16-并发/parallel/signal/star.c
@@ -7,7 +7,7 @@ static void int_hander(int s)
     write(1, "!", 1);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int i;
 
diff --git a/C16-并发/parallel/signal/susp.c b/C16-并发/parallel/signal/susp.c
index 4b355dd..47c7528 100644
--- a/C16-并发/parallel/signal/susp.c
+++ b/C16-并发/parallel/signal/susp.c
@@ -8,7 +8,7 @@ static void int_hander(int s)
     write(1, "!", 1);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int      i;
     int      j;
diff --git a/C16-并发/parallel/signal/susp_rt.c b/C16-并发/parallel/signal/susp_rt.c
index 4212d62..c1dbe67 100644
--- a/C16-并发/parallel/signal/susp_rt.c
+++ b/C16-并发/parallel/signal/susp_rt.c
@@ -12,7 +12,7 @@ static void mysig_hander(int s)
     write(1, "!", 1);
 }
 
-int main(int argc, char** argv)
+int main(int argc, char **argv)
 {
     int      i;
     int      j;