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From: oleg@arnor.UUCP
Newsgroups: comp.os.os2.programmer,comp.protocols.tcp-ip
Subject: Re: How do I detect an active TCP/IP (IBM) under OS/2?
Message-ID: <1991Mar26.145016.12118@arnor.uucp>
Date: 26 Mar 91 14:50:16 GMT
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In article <8281@umd5.umd.edu> dzoey@terminus.umd.edu (Joe Herman) writes:
>from the socket() (or sock_init()) call.  However, if inet is not
>functioning the call to socket() causes the program to exit.  Since
>the program can still function without TCP/IP, this is not a desired
>behavior.

INET.EXE allocates a shared segment \SHAREMEM\MAILBOX. You can check
if the segment is allocated before making the first socket call.

Oleg Vishnepolsky