From: dontmailme AT iname DOT com (Steamer) Newsgroups: comp.os.msdos.djgpp Subject: Re: svga Date: Wed, 07 Jun 2000 08:46:25 GMT Organization: always disorganized Lines: 15 Message-ID: <393e0bc3.2365883@news.freeserve.net> References: <393A97A6 DOT 68C0EB6 AT ne DOT infi DOT net> <393A9867 DOT 8872DAEE AT it-he DOT org> <8heat2$cho$1 AT supernews DOT com> <393C606A DOT 174FA10D AT ne DOT infi DOT net> <393D5678 DOT 9F7AA087 AT it-he DOT org> <393D97B0 DOT B3A1D3C7 AT ne DOT infi DOT net> NNTP-Posting-Host: modem-144.minnesota.dialup.pol.co.uk X-Trace: newsg2.svr.pol.co.uk 960367586 21617 62.137.74.144 (7 Jun 2000 08:46:26 GMT) NNTP-Posting-Date: 7 Jun 2000 08:46:26 GMT X-Complaints-To: abuse AT theplanet DOT net X-Newsreader: Forte Free Agent 1.11/32.235 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Martell wrote: > im having trouble compile the following line: > > if (strncmp(vesa_info.VESASignature, "VESA", 4) != 0) return -1; > > i get the following error: > > passing 'unsigned char *' as argument 1 of 'strncmp(const char *, const char *, long > unsigned int)' changes signedness This is surely only a warning, not an error. You can fix it by using a cast: if (strncmp((char*)(vesa_info.VESASignature), "VESA", 4) != 0) return -1;