Sockets Library Functions                      byteorder(3SOCKET)

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

SYNOPSIS
     #include <sys/types.h>
     #include <netinet/in.h>
     #include <inttypes.h>

     uint32_t htonl(unint32_t hostlong);

     uint16_t htons(uint16_t hostshort);

     uint32_t ntohl(uint32_t netlong);

     uint16_t ntohs(uint16_t netshort);

DESCRIPTION
     These routines convert 16 and 32 bit quantities between net-
     work  byte  order and host byte order. On some architectures
     these routines are defined as NULL  macros  in  the  include
     file  <netinet/in.h>.  On other architectures, if their host
     byte order is different from network byte order, these  rou-
     tines are functional.

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

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | MT-Level                    | Safe                        |
    |_____________________________|_____________________________|

SEE ALSO
     gethostbyname(3NSL), getservbyname(3SOCKET),  attributes(5),
     inet(3HEAD)

SunOS 5.8           Last change: 21 Oct 1997                    1