htons man page on BSDi

htons man page on BSDi

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BYTEORDER(3)		    BSD Programmer's Manual		  BYTEORDER(3)

NAME
     htonl, htons, ntohl, ntohs - convert values between host and network byte
     order

SYNOPSIS
     #include <sys/param.h>

     u_long
     htonl(u_long hostlong);

     u_short
     htons(u_short hostshort);

     u_long
     ntohl(u_long netlong);

     u_short
     ntohs(u_short netshort);

DESCRIPTION
     These routines convert 16 and 32 bit quantities between network byte or-
     der and host byte order.  On machines which have a byte order which is
     the same as the network order, routines are defined as null macros.

     These routines are most often used in conjunction with Internet addresses
     and ports as returned by gethostbyname(3) and getservent(3).

SEE ALSO
     gethostbyname(3),	getservent(3)

HISTORY
     The byteorder functions appeared in 4.2BSD.

BUGS
     On the Intel 386, 486 and Pentium processors bytes are handled backwards
     from most everyone else in the world.  This is not expected to be fixed
     in the near future.

4.2 Berkeley Distribution	 June 4, 1993				     1

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