github.com/afumu/libc@v0.0.6/musl/src/string/strcmp.c (about)

     1  #include <string.h>
     2  
     3  int strcmp(const char *l, const char *r)
     4  {
     5  	for (; *l==*r && *l; l++, r++);
     6  	return *(unsigned char *)l - *(unsigned char *)r;
     7  }