[unix-history] / usr / src / usr.bin / pascal / libpc / PRED.c

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)PRED.c 1.1 %G%";

#include "h01errs.h"

PRED(value, lower, upper)

	int	value;
	int	lower;
	int	upper;
{
	value--;
	if (value < lower || value > upper) {
		ERROR(ERANGE, value);
		return;
	}
	return	value;
}
Commit	Line	Data
4c919c74 KM	1	/* Copyright (c) 1979 Regents of the University of California */
	2
	3	static char sccsid[] = "@(#)PRED.c 1.1 %G%";
	4
	5	#include "h01errs.h"
	6
	7	PRED(value, lower, upper)
	8
	9	int value;
	10	int lower;
	11	int upper;
	12	{
	13	value--;
	14	if (value < lower \|\| value > upper) {
	15	ERROR(ERANGE, value);
	16	return;
	17	}
	18	return value;
	19	}