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csutil/getopt.h

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00001 /* Declarations for getopt.
00002    Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public License as
00007    published by the Free Software Foundation; either version 2 of the
00008    License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public
00016    License along with the GNU C Library; see the file COPYING.LIB.  If not,
00017    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018    Boston, MA 02111-1307, USA.  */
00019 
00020 #ifndef __CS_GETOPT_H__
00021 #define __CS_GETOPT_H__
00022 
00023 #ifndef __STDC__
00024 #  define __STDC__ 1
00025 #endif
00026 
00027 #include "csextern.h"
00028 
00033 #if defined(CS_PLATFORM_MACOSX)
00034 // MacOS/X already has a valid getopt; avoid link errors.
00035 #define getopt __getopt
00036 #define optarg __optarg
00037 #define opterr __opterr
00038 #define optind __optind
00039 #define optopt __optopt
00040 #endif
00041 
00048 extern CS_CRYSTALSPACE_EXPORT char *optarg;
00049 
00062 extern CS_CRYSTALSPACE_EXPORT int optind;
00063 
00067 extern CS_CRYSTALSPACE_EXPORT int opterr;
00068 
00071 extern CS_CRYSTALSPACE_EXPORT int optopt;
00072 
00096 struct CS_CRYSTALSPACE_EXPORT getopt_option
00097 {
00098 #if defined (__STDC__) && __STDC__
00099   const char *name;
00100 #else
00101   char *name;
00102 #endif
00103   /* has_arg can't be an enum because some compilers complain about
00104      type mismatches in all the code that assumes it is an int.  */
00105   int has_arg;
00106   int *flag;
00107   int val;
00108 };
00113 #define option getopt_option
00114 
00115 /* Names for the values of the `has_arg' field of `struct option'.  */
00116 
00117 #define no_argument             0
00118 #define required_argument       1
00119 #define optional_argument       2
00120 
00121 extern CS_CRYSTALSPACE_EXPORT int getopt (int argc, char *const *argv,
00122         const char *shortopts);
00123 extern CS_CRYSTALSPACE_EXPORT int getopt_long (int argc, char *const *argv,
00124         const char *shortopts, const struct getopt_option *longopts,
00125         int *longind);
00126 extern CS_CRYSTALSPACE_EXPORT int getopt_long_only (int argc,
00127         char *const *argv, const char *shortopts,
00128         const struct getopt_option *longopts, int *longind);
00129 
00130 /* Internal only.  Users should not call this directly.  */
00131 extern int _getopt_internal (int argc, char *const *argv,
00132         const char *shortopts,
00133         const struct getopt_option *longopts, int *longind,
00134         int long_only);
00135 
00136 #endif // __CS_GETOPT_H__

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