OpenBSD-4.6/lib/libc/net/ntohs.c

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/*	$OpenBSD: ntohs.c,v 1.8 2005/08/06 20:30:03 espie Exp $ */
/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */

#include <sys/types.h>
#include <machine/endian.h>

#undef ntohs

u_int16_t
ntohs(u_int16_t x)
{
#if BYTE_ORDER == LITTLE_ENDIAN
	u_char *s = (u_char *) &x;
	return (u_int16_t)(s[0] << 8 | s[1]);
#else
	return x;
#endif
}