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From: meuer@cs.umn.edu (Mark V. Meuer)
Newsgroups: comp.sys.sgi
Subject: Re: getopt and C++
Keywords: Problem
Message-ID: <1991Mar4.171251.3502@cs.umn.edu>
Date: 4 Mar 91 17:12:51 GMT
References: <1991Mar04.161843.27932@cs.ruu.nl>
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Reply-To: meuer@cs.umn.edu (Mark V. Meuer)
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In article <1991Mar04.161843.27932@cs.ruu.nl>, markov@cs.ruu.nl (Mark Overmars) writes:
> I have a simple question: How do I use the routine getopt with C++. What I did
> was to put
> 
>    extern int getopt(int,char **,char *);
> 
> in the program. Now the loader complaints that getopt__FiPPcPc is undefined.
> 
> How do I solve this?
> 
> Mark Overmars

I *think* all you have to do is change the declaration to

	extern "C" {
		extern int getopt(int,char **,char *);
	} ;

and it should work correctly.   In general, when calling a C function, put
the declarations in a block preceeded by 'extern "C"' and life should be
wonderful.

-mark