第九章完结

Chapter9/test.c

@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+// void func(int **p, int n)
+// {
+//     *p = malloc(n);
+
+//     if (NULL == *p)
+//         exit(1);
+
+//     return;
+// }
+
+void *func(int *p, int n)
+{
+    p = malloc(n);
+
+    if (NULL == p)
+        exit(1);
+
+    return p;
+}
+
+int main()
+{
+    int  num = 100;
+    int *p   = NULL;
+
+    // func(&p, num);
+
+    p = func(p, num);
+
+    free(p);
+
+    exit(0);
+}