1 /*
2 * Written by J.T. Conklin <jtc@netbsd.org>.
3 * Public domain.
4 */
5
6 #if defined(LIBC_SCCS) && !defined(lint)
7 static char *rcsid = "$OpenBSD: ntohl.c,v 1.5 2004/11/28 07:23:41 mickey Exp $";
8 #endif /* LIBC_SCCS and not lint */
9
10 #include <sys/types.h>
11 #include <machine/endian.h>
12
13 #undef ntohl
14
15 u_int32_t
16 ntohl(x)
17 u_int32_t x;
18 {
19 #if BYTE_ORDER == LITTLE_ENDIAN
20 u_char *s = (u_char *)&x;
21 return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
22 #else
23 return x;
24 #endif
25 }