max.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

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

static char sccsid[] = "@(#)MAX.c 1.4 6/10/81";

#include "h00vars.h"

long
MAX(width, reduce, min)

	register long	width;		/* requested width */
	long		reduce;		/* amount of extra space required */
	long		min;		/* minimum amount of space needed */
{
	if (width <= 0) {
		ERROR("Non-positive format width: %D\n", width);
		return;
	}
	if ((width -= reduce) >= min)
		return width;
	return min;
}