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Date: Thu, 17 May 2001 09:38:55 +1000 (EST)
From: =?iso-8859-1?q?Danny=20Smith?= <danny_r_smith_2001 AT yahoo DOT co DOT nz>
Subject: Re: __STRICT_ANSI__
To: cygwin <cygwin AT cygwin DOT com>
In-Reply-To: <NHEELHJHHFKPMAEAFMFCOEEICFAA.huntharo@msu.edu>
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--- Harold Hunt <huntharo AT msu DOT edu> wrote: > I can't seem to understand
the conditional prototyping of some
> functions in
> Cygwin's headers.
> 
> When compiling Cygwin/XFree86, which uses -ansi, which in turn
> defines
> __STRICT_ANSI__, we get warnings about references to undefined
> functions.
> 
> Below I have included the simplified prototyping of each offending
> function;
> I have removed other functions declared within the same #ifndef scope
> for
> simplicity.
> 
> It looks to me like __STRICT_ANSI__ might not be being used
> correctly.  Any
> ideas?
> 


None of the functions you list are in the ANSI standard.  If you want
ANSI portable code, don't use them.  __STRICT_ANSI__ is doing its job
correctly, thank you very much. 
Danny


> Harold
> 
> Cygwin's stdio.h:
> #ifndef __STRICT_ANSI__
> #ifndef _REENT_ONLY
> FILE *	_EXFUN(fdopen, (int, const char *));
> #endif
> int	_EXFUN(fileno, (FILE *));
> int	_EXFUN(pclose, (FILE *));
> FILE *  _EXFUN(popen, (const char *, const char *));
> #endif
> 
> GNU/Linux stdio.h:
> #ifdef __USE_POSIX
> extern FILE *fdopen (int __fd, __const char *__modes) __THROW;
> #endif
> 
> #ifdef __USE_POSIX
> extern int fileno (FILE *__stream) __THROW;
> #endif
> 
> #if defined __USE_POSIX2
> extern FILE *popen (__const char *__command, __const char *__modes)
> __THROW;
> extern int pclose (FILE *__stream) __THROW;
> #endif
> 
> 
> Cygwin's stdlib.h:
> #ifndef __STRICT_ANSI__
> #ifndef _REENT_ONLY
> int     _EXFUN(mkstemp,(char *));
> char *  _EXFUN(mktemp,(char *));
> #endif
> #endif
> 
> GNU/Linux stdlib.h:
> #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
> extern int mkstemp (char *__template) __THROW;
> #endif
> 
> 
> --
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