ntohl.c revision 1.4
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 1.4 1996/12/12 03:19:56 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
15u_int32_t
16ntohl(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}
26