自个儿写strcmp( )函数

自己写strcmp( )函数

网上搜到了一个库函数strcmp( )源代码:

int strcmp(char const *s1, char const *s2){int ret, i = 0;while(1) {ret = s1[i] - s2[i];if(ret || !s1[i] || !s2[i])return ret;i++;}}