From: Kevin Newsgroups: comp.os.msdos.djgpp Subject: What is MID() macro ? Date: Wed, 29 Sep 1999 22:48:12 +0100 Message-ID: NNTP-Posting-Host: reality-bytes.demon.co.uk X-NNTP-Posting-Host: reality-bytes.demon.co.uk:212.228.30.60 X-Trace: news.demon.co.uk 938641761 nnrp-04:26064 NO-IDENT reality-bytes.demon.co.uk:212.228.30.60 X-Complaints-To: abuse AT demon DOT net X-Newsreader: Forte Agent 1.6/32.525 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 15 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Hi all In the Allegro ex22.c program, a macro called MID is used thus col = MID(128, 255 - fixtoi(v1->z + v2->z) / 16, 255); I've not seen MID() before, what is it and where is it declared/defined ?. Thanks for any help. Kevin.