char* strcpy(char* dst, char* src, size_t len)
{
char* d=dst;
while((--len)&&(*dst++=*src++)); //方向不可互换
*dst='\0';
return d;
}
int strcmp(char* src,char* sub)
{
while((*src)==(*sub++))
if((*src++)=='\0')
return 0;
return ((unsigned char*)src-(unsigned char*)(sub-1));
}
strcmp和strcpy
最新推荐文章于 2024-10-23 22:23:05 发布