一个函数怎么带出去自己的地址

1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <string.h>

4

5 void test(char *tmp)

6 {

7 char *p = (char *)malloc(15);

8 memcpy(tmp, &p, sizeof(char **));

9 printf("1.%p\n", p);

10 }

11

12 int main()

13 {

14 char p[32];

15 char *p1;

16 test(p);

17 p1 = *(char **)p;

18

19 printf("2.%p\n", p1);

20

21 }