From: "Daniel" <cdnhermit DOT msn AT attcanada DOT net>
Newsgroups: comp.os.msdos.djgpp
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1001003075225 DOT 10028E-100000 AT is>
Subject: Re: Error: Implicit declaration of function
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Message-ID: <21xC5.15366$YG5.30665@tor-nn1.netcom.ca>
Date: Tue, 3 Oct 2000 23:02:41 -0400
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Thank you Jack and Eli.  If I have an interface in a header file (.h), do I
still need a prototype?

Daniel
_________
"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> wrote in message
news:Pine DOT SUN DOT 3 DOT 91 DOT 1001003075225 DOT 10028E-100000 AT is...
>
> On Mon, 2 Oct 2000, Daniel wrote:
>
> > Hello, I have a simple application that does not compile because of this
> > function:
> > print_result(a, x, power_for(a, x));
> >
> > which cause the following error:
> > app.cc(23) Error: Implicit declaration of function 'int power_for(...)'
>
> Put the prototype of power_for into the file app.cc, and the compiler
> will stop complaining.
>
> > Please note that it compiles without any error with Borland 5.02.
>
> GCC in C++ mode defaults to stricter checks than other compilers.