1 #include <string.h>
2
strncmp(const char * _l,const char * _r,size_t n)3 int strncmp(const char* _l, const char* _r, size_t n) {
4 const unsigned char *l = (void *)_l, *r = (void *)_r;
5 if (!n--)
6 return 0;
7 for (; *l && *r && n && *l == *r; l++, r++, n--)
8 ;
9 return *l - *r;
10 }
11