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Annotation of 43BSDReno/contrib/jove/argcount.h, revision 1.1

1.1     ! root        1: /***************************************************************************
        !             2:  * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne.  JOVE *
        !             3:  * is provided to you without charge, and with no warranty.  You may give  *
        !             4:  * away copies of JOVE, including sources, provided that this notice is    *
        !             5:  * included in all the files.                                              *
        !             6:  ***************************************************************************/
        !             7: 
        !             8: /* macros for getting at and setting the current argument count */
        !             9: 
        !            10: extern int     arg_supplied_p,
        !            11:                arg_count;
        !            12: 
        !            13: #define arg_type()             arg_supplied_p
        !            14: #define arg_value()            arg_count
        !            15: #define set_is_an_arg(there_is)        { arg_supplied_p = (there_is); }
        !            16: #define set_arg_value(n)       { arg_supplied_p = YES; arg_count = (n); }
        !            17: #define negate_arg_value()     { arg_count = -arg_count; }
        !            18: #define clr_arg_value()                { arg_supplied_p = NO; arg_count = 1; }
        !            19: #define is_an_arg()            (arg_supplied_p != NO)

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