1*2fa47ecfShe /* $NetBSD: htons.c,v 1.3 2012/03/21 20:02:56 he Exp $ */ 237c9f0a6Schristos 337c9f0a6Schristos /* 437c9f0a6Schristos * Written by J.T. Conklin <jtc@NetBSD.org>. 537c9f0a6Schristos * Public domain. 637c9f0a6Schristos */ 737c9f0a6Schristos 837c9f0a6Schristos #include <sys/cdefs.h> 937c9f0a6Schristos #if defined(LIBC_SCCS) && !defined(lint) 10*2fa47ecfShe __RCSID("$NetBSD: htons.c,v 1.3 2012/03/21 20:02:56 he Exp $"); 1137c9f0a6Schristos #endif 1237c9f0a6Schristos 1337c9f0a6Schristos #include <sys/types.h> 1437c9f0a6Schristos 1537c9f0a6Schristos #undef htons 1637c9f0a6Schristos 1737c9f0a6Schristos uint16_t htons(uint16_t x)18b45fa494Sjoerghtons(uint16_t x) 1937c9f0a6Schristos { 2037c9f0a6Schristos #if BYTE_ORDER == LITTLE_ENDIAN 21*2fa47ecfShe u_char *s = (void *) &x; 2237c9f0a6Schristos return (uint16_t)(s[0] << 8 | s[1]); 2337c9f0a6Schristos #else 2437c9f0a6Schristos return x; 2537c9f0a6Schristos #endif 2637c9f0a6Schristos } 27