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From: reneealpo AT aol DOT com (ReneeAlpo)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Problem with <iostream.h>, gcc msdos version
Date: 31 Jul 1995 20:17:59 -0400
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You've got to link the cpp libs with the -l switch.

gcc try.cc -lgpp -lgpl

it's all explained in the faq.