Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!uakari.primate.wisc.edu!indri!ames!haven!adm!xadmx!rbj@dsys.ncsl.nist.gov
From: rbj@dsys.ncsl.nist.gov (Root Boy Jim)
Newsgroups: comp.unix.wizards
Subject: is it a socket or is it not?
Message-ID: <20463@adm.BRL.MIL>
Date: 31 Jul 89 22:58:40 GMT
Sender: news@adm.BRL.MIL
Lines: 13

? What's a good method of determining whether a file descriptor
? is a socket or not?  The fstat(2) call does not work well on sockets
? (and it even says so in the man page :-)

Do a getsockopt on it. If you get back ENOTSOCK, it ain't.

? Curtis C. Generous
? DTIC Special Projects Office (DTIC-SPO)
? ARPA: generous@daitc.mil
? UUCP: {uunet,vrdxhq,lll-tis}!daitc!generous

	Root Boy Jim
	Have GNU, Will Travel.