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udp help?

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Old 08-13-2004
udp help?
hi all, newbie here, i'm working on mac os x and i'm trying to stream some info using udp from the terminal to another app that listens for osc messages on the same machine. but the man page on udp is pretty cryptic. my question is whether anyone has a recommendation for a good tutorial covering this kind of thing, or some other reference. i understand all the theory and details of networking, just not the actual programming of it. many of the pages i've seen are for people who have no idea what a socket is etc., but it's hard to find some of these odd little practical details for a newbie programmer.

thanks for any help,
barb
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LEARN ABOUT OSF1

services

services(4)						     Kernel Interfaces Manual						       services(4)

NAME

       services - Defines the sockets and protocols used for Internet services

SYNOPSIS

       /etc/services

DESCRIPTION

       The  /etc/services  file associates Internet service names and aliases with the port number and protocol used by the service.  Each service
       is listed in this file on a single line of the form: ServiceName  PortNumber/ProtocolName  Aliases

       The fields contain the following information: The official Internet service name.  The socket port number used  for  the  service  and  the
       transport protocol used for the service.  A list of unofficial service names.

       Items on a line are separated by spaces or tabs.  Comments begin with a # (number sign) and continue to the end of the line.

EXAMPLES

       Entries	in  the  /etc/services	file for the inetd internal services might look like this: echo 	 7/tcp echo	     7/udp discard
       9/tcp	  sink null discard	  9/udp      sink null daytime	    13/tcp daytime	 13/udp  chargen       19/tcp	    ttytst  source
       chargen	    19/tcp	ttytst source ftp	   21/tcp time	       37/tcp	   timeserver time	   37/udp      timeserver

RELATED INFORMATION

       Functions: endservent(3), getservbyname(3), getservbyport(3), getservent(3), setservent(3)

       The RFC923 specification.  delim off

																       services(4)