【C语言】模拟实现memcpy库函数

//模拟实现memcpy库函数
#include <stdio.h>
#include <string.h>
void * my_memcpy(void * dst, const void * src, int count)
{
void *ret = dst;
while (count--)
{
*(char *)dst = *(char *)src;
dst=(char *)dst+1;
src=(char *)src+1;
}
return ret;
}
int main()
{
char p[] = "abcdef";
//char q[] = "abcdef";
char *a = "fghj";
my_memcpy(p, a, 2);
//memcpy(q, a, 2);
printf("%s\n", p);
//printf("%s\n", q);
return 0;
}