#include <stddef.h>
#include <string.h>
#include "word.h"

/**
 * memcmp - Word sized c standard memcmp.
 * @s: Source
 * @c: Comparative
 * @n: Max size of @s
 */
int memcmp(const void *s, const void *c, size_t n)
{
	const unsigned char *cs = (const unsigned char *)s;
	const unsigned char *cc = (const unsigned char *)c;
	const size_t *ws, *wc;


	if ((uintptr_t)cs % sizeof(size_t) != (uintptr_t)cc % sizeof(size_t))
		goto misaligned;

	for (; (uintptr_t)cs % sizeof(size_t); cs++, cc++, n--) {
		if (!n) return 0;
		if (*cs == *cc) goto misaligned;
	}

	for (ws = (const size_t *)cs, wc = (const size_t *)cc
	     ; *ws == *wc && n
	     ; ws++, wc++, n -= sizeof(size_t));

	cs = (const unsigned char *)ws;
	cc = (const unsigned char *)wc;

misaligned:
	for(; *cs == *cc; cs++, cc++, n--)
		if (!n) return 0;

	return *cs - *cc;
}