Rev | Line | |
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[26] | 1 | /*************************************************************************/ |
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| 2 | /* */ |
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| 3 | /* This file is included in case your version of Unix doesn't include */ |
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| 4 | /* the getopt utility. If it does, discard this file and amend the */ |
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| 5 | /* Makefile accordingly. */ |
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| 6 | /* */ |
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| 7 | /* There is no copyright on this file. */ |
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| 8 | /* */ |
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| 9 | /*************************************************************************/ |
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| 10 | |
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| 11 | |
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| 12 | #include <stdio.h> |
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| 13 | |
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| 14 | |
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| 15 | int optind = 1; |
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| 16 | char *optarg; |
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| 17 | |
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| 18 | |
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| 19 | getopt(Argc, Argv, Str) |
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| 20 | /* ------ */ |
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| 21 | int Argc; |
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| 22 | char **Argv, *Str; |
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| 23 | { |
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| 24 | int Optchar; |
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| 25 | char *Option; |
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| 26 | |
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| 27 | if ( optind >= Argc ) return EOF; |
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| 28 | |
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| 29 | Option = Argv[optind++]; |
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| 30 | |
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| 31 | if ( *Option++ != '-' ) return '?'; |
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| 32 | |
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| 33 | Optchar = *Option++; |
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| 34 | |
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| 35 | while ( *Str && *Str != Optchar ) Str++; |
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| 36 | if ( ! *Str ) return '?'; |
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| 37 | |
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| 38 | if ( *++Str == ':' ) |
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| 39 | { |
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| 40 | if ( *Option ) optarg = Option; |
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| 41 | else |
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| 42 | if ( optind < Argc ) optarg = Argv[optind++]; |
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| 43 | else |
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| 44 | Optchar = '?'; |
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| 45 | } |
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| 46 | |
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| 47 | return Optchar; |
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| 48 | } |
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