ntohl.c revision 1.3 
1/*
2 * Written by J.T. Conklin <jtc@netbsd.org>.
3 * Public domain.
4 */
5
6#if defined(LIBC_SCCS) && !defined(lint)
7static char *rcsid = "$OpenBSD: ntohl.c,v 1.3 1996/08/19 08:29:33 tholo Exp $";
8#endif /* LIBC_SCCS and not lint */
9
10#include <sys/types.h>
11#include <machine/endian.h>
12
13#undef ntohl
14
15unsigned long
16ntohl(x)
17	unsigned long x;
18{
19	u_int32_t y = x;
20
21#if BYTE_ORDER == LITTLE_ENDIAN
22	u_char *s = (u_char *)&y;
23	return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
24#else
25	return y;
26#endif
27}
28