htons.c

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    1 /*      $NetBSD: htons.c,v 1.11 2003/12/04 13:57:31 keihan Exp $        */
    2 
    3 /*
    4  * Written by J.T. Conklin <jtc@NetBSD.org>.
    5  * Public domain.
    6  */
    7 
    8 #include <sys/cdefs.h>
    9 #if defined(LIBC_SCCS) && !defined(lint)
   10 __RCSID("$NetBSD: htons.c,v 1.11 2003/12/04 13:57:31 keihan Exp $");
   11 #endif
   12 
   13 #include <sys/types.h>
   14 
   15 #undef htons
   16 
   17 uint16_t
   18 htons(x)
   19         uint16_t x;
   20 {
   21 #if BYTE_ORDER == LITTLE_ENDIAN
   22         u_char *s = (u_char *) &x;
   23         return (uint16_t)(s[0] << 8 | s[1]);
   24 #else
   25         return x;
   26 #endif
   27 }

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FreeBSD/Linux Kernel Cross Reference sys/lib/libkern/htons.c

FreeBSD/Linux Kernel Cross Reference
sys/lib/libkern/htons.c