//这是系统库的实现
int strcmp(const char* src, const char* dest)
{
int rtn = 0;
while(!(rtn = *(unsigned char*)src - *(unsigned char*)dest) && *dest)
{
++src;
++dest;
}
if (rtn < 0)
{
rtn = -1;
}else if (rtn > 0)
{
rtn = 1;
}
return rtn;
}版权声明：本文为博主原创文章，未经博主允许不得转载。
原文：http://blog.csdn.net/z702143700/article/details/46659483