113 lines
1.8 KiB
C
113 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#define NAMESIZE 32
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struct
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{
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int i;
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char ch;
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float f;
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} a =
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{
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1,
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'a',
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},
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b, c, *p, *q;
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struct simp_st
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{
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int i;
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char ch;
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float f;
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// char ch1;
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}; // __attribute__((packed));
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struct student_st
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{
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int id;
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char name[NAMESIZE];
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// struct birthday_st birth;
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struct birthday_st
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{
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int year;
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int month;
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int day;
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} birth;
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int math;
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int chinese;
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};
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void func(struct simp_st* b)
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{
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printf("%d\n", sizeof(b));
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}
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int main( )
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{
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// TYPE NAME = VALUE;
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struct simp_st a;
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struct simp_st* p = &a;
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// func(a);
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func(p);
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// printf("sizeof(point) = %d\n", sizeof(p));
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// printf("sizeof(struct) = %d\n", sizeof(a));
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// out:
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// sizeof(point) = 8
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// sizeof(struct) = 12
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#if 0
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struct student_st stu = {10011, "Alan", {2011, 11, 11}, 98, 97};
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struct student_st *p = &stu;
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struct student_st arr[2] = {{.name = "Alan"}, {.name = "John"}};
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p = &arr[0];
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// struct student_st stu = {.math = 98, .chinese = 97};
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// printf("%d %s %d-%d-%d %d %d\n",
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// stu.id,
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// stu.name,
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// stu.birth.year,
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// stu.birth.month,
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// stu.birth.day,
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// stu.math,
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// stu.chinese);
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// printf("%d %s %d-%d-%d %d %d\n",
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// p->id,
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// p->name,
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// p->birth.year,
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// p->birth.month,
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// p->birth.day,
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// p->math,
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// p->chinese);
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for (int i = 0; i < 2; i++, p++)
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{
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printf("%s ", p->name);
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}
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printf("\n");
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#endif
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#if 0
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struct simp_st a = {123, 456.789, 'a'};
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a.i = 112233;
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printf("%d %f %c", a.i, a.f, a.ch);
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#endif
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exit(0);
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} |