Arguments: port protocol
A port number is a 16-bit unsigned number (except port 0 is not
used). Certain commonly used ports on machines are given symbolic
names. The mapping between name and port number is kept in a file in
the system area of the machine (often /etc on Unix and the
Windows system directory on MS Windows). Given a symbolic
name as the value of port and a
protocol (either "tcp" or
"udp"), lookup-port returns the associated port
number (or signals an error if such a port doesn't exist). The reason
that the protocol type is supplied is that the port N for
protocol "tcp" is distinct from port N
for protocol "udp".
See socket.htm for general information on sockets in Allegro CL.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.