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arg.h - gramscii - A simple editor for ASCII box-and-arrow charts |
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--- |
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arg.h (685B) |
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--- |
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1 #ifndef ARG_H |
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2 #define ARG_H |
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3 |
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4 #define USED(x) ((void)(x)) |
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5 |
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6 extern char *argv0; |
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7 |
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8 #define ARGBEGIN for(argv0 = *argv, argv++, argc--;\ |
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9 argv[0] && argv[0][0] == '-'\ |
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10 && argv[0][1];\ |
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11 argc--, argv++) {\ |
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12 char _argc;\ |
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13 char **_argv;\ |
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14 int i_;\ |
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15 if(argv[0][1] == '-' && argv[0][2] == '\0') {\ |
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16 argv++;\ |
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17 argc--;\ |
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18 break;\ |
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19 }\ |
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20 for(i_ = 1, _argv = argv; argv[0][i_];\ |
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21 i_++) {\ |
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22 if(_argv != argv)\ |
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23 break;\ |
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24 _argc = argv[0][i_];\ |
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25 switch(_argc) |
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26 |
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27 #define ARGEND }\ |
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28 USED(_argc);\ |
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29 }\ |
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30 USED(argv);\ |
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31 USED(argc); |
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32 |
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33 #define EARGF(x) ((argv[1] == NULL)? ((x), abort(), (char *)0) :\ |
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34 (argc--, argv++, argv[0])) |
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35 |
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36 #endif |
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37 |
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