NetBSD/sys/lib/libkern/ntohl.c

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/* $NetBSD: ntohl.c,v 1.7 1996/05/29 23:39:42 cgd Exp $ */
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/*
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* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$NetBSD: ntohl.c,v 1.7 1996/05/29 23:39:42 cgd Exp $";
#endif
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#include <sys/types.h>
#include <machine/endian.h>
#undef ntohl
unsigned long
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ntohl(x)
unsigned long x;
{
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u_int32_t y = x;
#if BYTE_ORDER == LITTLE_ENDIAN
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u_char *s = (u_char *)&y;
return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
#else
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return y;
#endif
}