From: "A. Sinan Unur" Newsgroups: comp.os.msdos.djgpp Subject: Re: Implicit declaration ?? Date: Sun, 14 Dec 1997 13:42:05 -0500 Organization: Cornell University (http://www.cornell.edu/) Lines: 19 Sender: asu1 AT cornell DOT edu (Verified) Message-ID: <3494287D.DE715DB3@cornell.edu> References: <67156t$5np$1 AT walton DOT videotron DOT net> NNTP-Posting-Host: cu-dialup-0054.cit.cornell.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk Jean-Sebastien Payette wrote: > > tell me 'warning : implicit declaration or function int delay(...)'. >Now I know that rhide just redirect the output from gcc BUT in my > program the function work! I mean it does the delay for real... > > So why gcc give me this error?? It find the function somewhere if he > execute it... Why giving me an error?? you did not include the header file that declares delay (i think it is dos.h) it is the linker which finds the function in libc.a an links it. -- ---------------------------------------------------------------------- A. Sinan Unur Department of Policy Analysis and Management, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA mailto:sinan DOT unur AT cornell DOT edu http://www.people.cornell.edu/pages/asu1/