1 /*        $NetBSD: ntohl.c,v 1.3 2012/03/21 20:02:56 he Exp $         */
2 
3 /*
4  * Written by J.T. Conklin <jtc@NetBSD.org>.
5  * Public domain.
6  */
7 
8 #include <sys/cdefs.h>
9 #if defined(LIBC_SCCS) && !defined(lint)
10 __RCSID("$NetBSD: ntohl.c,v 1.3 2012/03/21 20:02:56 he Exp $");
11 #endif
12 
13 #include <sys/types.h>
14 
15 #undef ntohl
16 
17 uint32_t
ntohl(uint32_t x)18 ntohl(uint32_t x)
19 {
20 #if BYTE_ORDER == LITTLE_ENDIAN
21           u_char *s = (void *)&x;
22           return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
23 #else
24           return x;
25 #endif
26 }
27