byteorder(3N) DG/UX 5.4R3.00 byteorder(3N)
NAME
htonl, htons, ntohl, ntohs - convert values between host and network
byte order
SYNOPSIS
#include <sys/types.h>
#include <netinet/in.h>
netlong = htonl(hostlong);
ulong netlong, hostlong;
netshort = htons(hostshort);
ushort netshort, hostshort;
hostlong = ntohl(netlong);
ulong hostlong, netlong;
hostshort = ntohs(netshort);
ushort hostshort, netshort;
DESCRIPTION
These routines convert 16- and 32-bit quantities between network byte
order and host byte order. These routines are defined as null macros
in the include file netinet/in.h.
These routines are most often used with Internet addresses and ports
as returned by gethostent(3N) and getservent(3N).
SEE ALSO
gethostent(3N), getservent(3N).
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