csutil/getopt.h
Go to the documentation of this file.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 #include "csextern.h" 00024 00029 #if defined(__NeXT__) || defined(__APPLE__) 00030 // NeXT already has a valid getopt; avoid link errors. 00031 #define getopt __getopt 00032 #define optarg __optarg 00033 #define opterr __opterr 00034 #define optind __optind 00035 #define optopt __optopt 00036 #endif 00037 00044 extern CS_CSUTIL_EXPORT char *optarg; 00045 00058 extern CS_CSUTIL_EXPORT int optind; 00059 00063 extern CS_CSUTIL_EXPORT int opterr; 00064 00067 extern CS_CSUTIL_EXPORT int optopt; 00068 00091 struct CS_CSUTIL_EXPORT getopt_option 00092 { 00093 #if defined (__STDC__) && __STDC__ 00094 const char *name; 00095 #else 00096 char *name; 00097 #endif 00098 /* has_arg can't be an enum because some compilers complain about 00099 type mismatches in all the code that assumes it is an int. */ 00100 int has_arg; 00101 int *flag; 00102 int val; 00103 }; 00108 #define option getopt_option 00109 00110 /* Names for the values of the `has_arg' field of `struct option'. */ 00111 00112 #define no_argument 0 00113 #define required_argument 1 00114 #define optional_argument 2 00115 00116 extern CS_CSUTIL_EXPORT int getopt (int argc, char *const *argv, const char *shortopts); 00117 extern CS_CSUTIL_EXPORT int getopt_long (int argc, char *const *argv, const char *shortopts, 00118 const struct getopt_option *longopts, int *longind); 00119 extern CS_CSUTIL_EXPORT int getopt_long_only (int argc, char *const *argv, 00120 const char *shortopts, 00121 const struct getopt_option *longopts, int *longind); 00122 00123 /* Internal only. Users should not call this directly. */ 00124 extern int _getopt_internal (int argc, char *const *argv, 00125 const char *shortopts, 00126 const struct getopt_option *longopts, int *longind, 00127 int long_only); 00128 00129 #endif // __CS_GETOPT_H__
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