From: "Thomas Harte" Newsgroups: comp.os.msdos.djgpp Subject: _fmemset : HOW? Date: 23 Dec 1996 23:59:38 GMT Organization: Dell Computer Corporation Lines: 11 Message-ID: <01bbf12c$39173d60$282549c2@default> NNTP-Posting-Host: host-73-37-40.btinternet.com To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp When I used a Microsoft compiler, you know, one of those limiting, slow 16bit things, I used to use the command :- _fmemset((doublebuffer + ( (y << 8) + (y << 6)) + x1), colour, x2 - x1 + 1); which would draw a horizontal line into the unsigned char 'doublebuffer', which is malloc'd 64000. With DJGPP, it just comes up with the error 'undefined reference to _fmemset'. How would I use _fmemset with DJGPP? -Thomas