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

     1  #include <string.h>
     2  
     3  int memcmp(const void *vl, const void *vr, size_t n)
     4  {
     5  	const unsigned char *l=vl, *r=vr;
     6  	for (; n && *l == *r; n--, l++, r++);
     7  	return n ? *l-*r : 0;
     8  }