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/***************************************************************************
* This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne. JOVE *
* is provided to you without charge, and with no warranty. You may give *
* away copies of JOVE, including sources, provided that this notice is *
* included in all the files. *
***************************************************************************/
/* macros for getting at and setting the current argument count */
extern int arg_supplied_p,
arg_count;
#define arg_type() arg_supplied_p
#define arg_value() arg_count
#define set_is_an_arg(there_is) { arg_supplied_p = (there_is); }
#define set_arg_value(n) { arg_supplied_p = YES; arg_count = (n); }
#define negate_arg_value() { arg_count = -arg_count; }
#define clr_arg_value() { arg_supplied_p = NO; arg_count = 1; }
#define is_an_arg() (arg_supplied_p != NO)
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