#include <string.h>

#ifndef __SUPPORT_ARCH_SH

int memcmp(void const *_s1, void const *_s2, size_t n)
{
	char const *s1 = _s1;
	char const *s2 = _s2;

	for(size_t i = 0; i < n; i++) {
		int d = s1[i] - s2[i];
		if(d != 0) return d;
	}

	return 0;
}

#endif /*__SUPPORT_ARCH_SH*/