From: "Michael Stewart" Newsgroups: comp.os.msdos.djgpp Subject: Re: DJGPP beginner's question - clrscr() Date: Fri, 6 Aug 1999 15:09:38 +0100 Organization: (Posted via) Netcom Internet Ltd. Message-ID: <7oeqd6$2g5$1@taliesin.netcom.net.uk> References: <7oedln$uf2$1 AT nnrp1 DOT deja DOT com> NNTP-Posting-Host: hgty.capgemini.co.uk X-Trace: taliesin.netcom.net.uk 933948646 2565 194.42.240.2 (6 Aug 1999 14:10:46 GMT) X-Complaints-To: abuse AT corp DOT netcom DOT net DOT uk NNTP-Posting-Date: 6 Aug 1999 14:10:46 GMT X-Newsreader: Microsoft Outlook Express 4.72.3155.0 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3155.0 Lines: 22 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com haphillips AT my-deja DOT com wrote in message <7oedln$uf2$1 AT nnrp1 DOT deja DOT com>... >In my first try at using the DJGPP C compiler, I compiled and ran in a >Win98 DOS box a short C program that I had compiled using Turbo C v. 2 >(yes, I still have it!). gcc compiled my program without >error, but clrscr() produced a runtime error. I don't have a clue why >and would appreciate anyone's help. Can you post the smallest snippet of code which will produce this error. >The Turboc C exe file was 17,910 bytes, and gcc's 137,789 bytes. Why >such a big difference? gcc produces protected mode code. As such there is additional code to enter protected mode, set up things etc. I seem to remember Turbo C being a real mode compiler. There was a discussion on this subject a while ago, try looking in the archives for the thread.