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#ifndef __GETOPT_H__
/*
* getopt.h
*
* $Id$
*
* Defines constants and function prototypes required to implement
* the `getopt', `getopt_long' and `getopt_long_only' APIs.
*
* This file is part of the MinGW32 package set.
*
* Contributed by Keith Marshall <keithmarshall@users.sourceforge.net>
*
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision$
* $Author$
* $Date$
*
*/
#define __GETOPT_H__
/* All the headers include this file. */
#include <_mingw.h>
#ifdef __cplusplus
extern "C" {
#endif
extern int optind; /* index of first non-option in argv */
extern int optopt; /* single option character, as parsed */
extern int opterr; /* flag to enable built-in diagnostics... */
/* (user may set to zero, to suppress) */
extern char *optarg; /* pointer to argument of current option */
extern int getopt( int, char * const [], const char * );
#ifdef _BSD_SOURCE
/*
* BSD adds the non-standard `optreset' feature, for reinitialisation
* of `getopt' parsing. We support this feature, for applications which
* proclaim their BSD heritage, before including this header; however,
* to maintain portability, developers are advised to avoid it.
*/
# define optreset __mingw_optreset
extern int optreset;
#endif
#ifdef __cplusplus
}
#endif
/*
* POSIX requires the `getopt' API to be specified in `unistd.h';
* thus, `unistd.h' includes this header. However, we do not want
* to expose the `getopt_long' or `getopt_long_only' APIs, when
* included in this manner. Thus, close the standard __GETOPT_H__
* declarations block, and open an additional __GETOPT_LONG_H__
* specific block, only when *not* __UNISTD_H_SOURCED__, in which
* to declare the extended API.
*/
#endif /* !defined(__GETOPT_H__) */
#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
#define __GETOPT_LONG_H__
#ifdef __cplusplus
extern "C" {
#endif
struct option /* specification for a long form option... */
{
const char *name; /* option name, without leading hyphens */
int has_arg; /* does it take an argument? */
int *flag; /* where to save its status, or NULL */
int val; /* its associated status value */
};
enum /* permitted values for its `has_arg' field... */
{
no_argument = 0, /* option never takes an argument */
required_argument, /* option always requires an argument */
optional_argument /* option may take an argument */
};
extern int getopt_long( int, char * const [], const char *, const struct option *, int * );
extern int getopt_long_only( int, char * const [], const char *, const struct option *, int * );
/*
* Previous MinGW implementation had...
*/
#ifndef HAVE_DECL_GETOPT
/*
* ...for the long form API only; keep this for compatibility.
*/
# define HAVE_DECL_GETOPT 1
#endif
#ifdef __cplusplus
}
#endif
#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */
/* $RCSfile$Revision$: end of file */
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