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ntohl.c revision 1.1
      1 /*	$NetBSD: ntohl.c,v 1.1 2005/12/20 19:28:51 christos Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin <jtc (at) 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 1.1 2005/12/20 19:28:51 christos Exp $");
     11 #endif
     12 
     13 #include <sys/types.h>
     14 
     15 #undef ntohl
     16 
     17 uint32_t
     18 ntohl(x)
     19 	uint32_t x;
     20 {
     21 #if BYTE_ORDER == LITTLE_ENDIAN
     22 	u_char *s = (u_char *)&x;
     23 	return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
     24 #else
     25 	return x;
     26 #endif
     27 }
     28