1 /* 2 ******************************************************************************** 3 File: mygetopt.h 4 5 Tab size: 4 6 Max line length: 80 7 Programmer: Volker Kuhlmann 8 9 10 mygetopt 1.1 Copyright (C) 1997 Volker Kuhlmann 11 This program is free software under the terms of the GNU General Public License 12 version 2 (or later, at your option). 13 See the file COPYING for details about license terms and warranty. 14 <VolkerKuhlmann@gmx.de> 15 16 17 DESCRIPTION: 18 19 Header file for mygetopt.c. 20 21 22 CONDITIONALS: 23 none 24 25 26 HISTORY: 27 28 1.0 04Dec97 Created 29 30 ******************************************************************************** 31 */ 32 33 34 35 #ifndef MYGETOPT_H 36 #define MYGETOPT_H 37 38 39 40 /* options to options */ 41 enum { 42 no_argument = 0, /* no option */ 43 required_argument = 1, /* option is required */ 44 optional_argument = 2 /* option is optional */ 45 }; 46 47 struct option 48 { 49 const char *name; /* name of long option */ 50 int has_arg; /* has this option an option? */ 51 int *flag; /* address for a return value */ 52 int val; /* value copied to *flag, or returned */ 53 }; 54 55 56 57 /* index of arguments scanned so far, or index to first 58 argument not an option */ 59 extern int optind; 60 61 /* value of the option to the option, if there was one (or NULL?) */ 62 extern char *optarg; 63 64 /* when returning '?' (short or long option not recognised), this is the 65 (short) option which was unrecognised */ 66 extern int optopt; 67 68 /* store 0 here to suppress error messages from getopt */ 69 extern int opterr; 70 71 72 73 int getopt_long ( 74 int argc, 75 char *const argv[], 76 const char *shortoptions, 77 const struct option *options, 78 int *lidx); 79 80 81 82 #endif /* #ifndef MYGETOPT_H */ 83 84 85 86 /* EOF mygetopt.h */ 87 /******************************************************************************/ 88