【C语言】字符串操作函数my_strcpy

<span style="font-size:18px;">//实现字符串操作函数strcpy
#include<stdio.h>
#include<assert.h>
char *my_strcpy(char *dest, const char *src)
{
	char *ret = dest;
	assert((dest != NULL) && (src != NULL));//断言
	if(dest == src)
		return dest;
	while(*dest++ = *src++)
	{
		NULL;
	}
	return ret;
}


int main()
{
	char p[] = "abcdef";
	char q[] = "abcd";
	printf("%s\n",q);
	return 0;
}</span>

【C语言】字符串操作函数my_strcpy

原文：http://blog.csdn.net/sunshine552/article/details/45915941