Xref: news2.mv.net comp.os.msdos.djgpp:805 From: Charles Sandmann Newsgroups: comp.os.msdos.djgpp Subject: Re: undefined reference to '_iob' ???? Date: Sun, 04 Feb 1996 23:44:46 CST Organization: Rice University, Houston, Texas Lines: 6 Message-ID: <3115994e.sandmann@clio.rice.edu> References: <3114DD81 DOT FB0 AT emi DOT net> Reply-To: sandmann AT clio DOT rice DOT edu NNTP-Posting-Host: clio.rice.edu To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp > When trying to compile the attached program, I get an >undefined > reference to '_iob'< for an output. What am I doing wrong? This sounds like you are trying to link a .o or lib.a file from V1.x with V2.x. You must recompile most modules with V2.x, since the names of some of the libc structures have changed.