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id: @(#)in-h.fth 1.1 04/09/07
purpose: IP layer constants and support routines
copyright: Copyright 2004 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
\ Constants and structures defined by IANA, and other support routines.
d# 6 constant IPPROTO_TCP
d# 17 constant IPPROTO_UDP
d# 67 constant IPPORT_BOOTPS
d# 68 constant IPPORT_BOOTPC
d# 69 constant IPPORT_TFTP
d# 80 constant IPPORT_HTTP
d# 8080 constant IPPORT_HTTP_ALT
create inaddr-any 0 c, 0 c, 0 c, 0 c,
create inaddr-broadcast h# ff c, h# ff c, h# ff c, h# ff c,
\ ntohw@, htonw!, ntohl@, and htonl! manage conversion of 16 and 32 bit
\ quantities between network and host byte order.
dup ca1+ c@ swap c@ bwjoin
>r wbsplit r@ c! r> ca1+ c!
dup 3 ca+ c@ swap dup 2 ca+ c@ swap dup ca1+ c@ swap c@ bljoin
>r lbsplit r@ c! r@ ca1+ c! r@ 2 ca+ c! r> 3 ca+ c!
\ Other support functions.
: ip= ( adr1 adr2 -- flag ) /ip-addr comp 0= ;
: ip<> ( adr1 adr2 -- flag ) /ip-addr comp 0<> ;
: copy-ip-addr ( src dst -- ) /ip-addr move ;
: ip=broadcast? ( ipaddr -- flag )
dup inaddr-broadcast ip= swap inaddr-any ip= or
: inaddr-any? ( ipaddr -- flag ) inaddr-any ip= ;
/ip-addr 1- 0 do dup c@ (u.) type ." ." ca1+ loop c@ (u.) type