Re-root site.

posix/sockets.fs

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+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+( Sockets )
+vocabulary sockets   sockets definitions also posix
+
+z" socket" 3 sysfunc socket
+z" bind" 3 sysfunc bind
+z" listen" 2 sysfunc listen
+z" connect" 3 sysfunc connect
+z" accept" 3 sysfunc sockaccept
+z" poll" 3 sysfunc poll
+z" setsockopt" 5 sysfunc setsockopt
+
+1 constant SOCK_STREAM
+2 constant AF_INET
+16 constant sizeof(sockaddr_in)
+1 constant SOL_SOCKET
+2 constant SO_REUSEADDR
+
+: bs, ( n -- ) dup 256 / c, c, ;
+: s, ( n -- ) dup c, 256 / c, ;
+: l, ( n -- ) dup s, 65536 / s, ;
+: sockaddr   create AF_INET s, 0 bs, 0 l, 0 l, 0 l, ;
+: ->port@ ( a -- n ) 2 + >r r@ c@ 256 * r> 1+ c@ + ;
+: ->port! ( n a --  ) 2 + >r dup 256 / r@ c! r> 1+ c! ;
+
+( Fixup return )
+: sockaccept sockaccept sign-extend ;
+
+only forth definitions