From: William Roeder Newsgroups: alt.comp.lang.learn.c-c++,comp.lang.c++,comp.os.msdos.djgpp,comp.os.msdos.programmer Subject: Re: Help with Casts... Date: Thu, 22 Jul 1999 11:37:56 -0400 Organization: DBA Systems Inc. Lines: 48 Message-ID: <37973AD4.751B358@titan.com> References: <7n6153$eqc$1 AT autumn DOT news DOT rcn DOT net> NNTP-Posting-Host: dba105-224.dba.titan.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.51C-SGI [en] (X11; I; IRIX 6.5 IP32) X-Accept-Language: en To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Tom wrote: > > I'm am having trouble understanding casts. OK. > Let's say I want to call a program and it takes three variables. Programs don't take variables. They may take arguments, but that is OS dependent. Do you mean a function? > Two of those variables are casts and are supposed to return > values from what I understand. casts are not variables and only function calls can return values. You do not understand. > How do I get those two values. Questions end with a question mark (?) > > Example; > > int playcdtrack(tracknumber, *startingposition, *endingposition) If this is supposed to be a prototype it is incomplete: int playcdtrack( tracknumber, *startingposition, *endingposition); > > How do I get the variables startingposition and endingposition of let's say > track #1? RTFM? > > If anyone can help I would greatly appreciate. Thanks. > > Tom 1. Device control is operating system dependent and not part of the standard C++ language. 2. Buy some reference books about your operating system. 3. Read the FAQs at: http://www.eskimo.com/~scs/C-faq/top.html -- C language FAQ http://www.cerfnet.com/~mpcline/C++-FAQs-Lite/ -- C++ language FAQ 4. Research the following newsgroups before posting: news:comp.programming news:comp.unix.programmer news:comp.os.msdos.programmer news:comp.os.ms-windows.programmer.win32 news:borland.public.cppbuilder (via forums.inprise.com newsserver) news:borland.public.cpp.language (via forums.inprise.com newsserver) news:microsoft.public.vcc.language (via msnews.microsoft.com newsserver) -- __ _ __ Ex: A has been. Spurt: A drip / ) / / ' ) ) / under pressure. Expert: A has /--' * / / /--' _ _ /> _ / _ __ been under pressure. /__)__/\_/\_/\_ / \_(_) (__(_/\_(/_/ (_ mailto:broeder AT titan DOT com