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BSD 4.3reno

/*
 * Copyright (c) 1981 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)clrtobot.c	5.5 (Berkeley) 6/1/90";
#endif /* not lint */

# include	"curses.ext"

/*
 *	This routine erases everything on the window.
 *
 */
wclrtobot(win)
reg WINDOW	*win; {

	reg int		y;
	reg char	*sp, *end, *maxx;
	reg int		startx, minx;

	startx = win->_curx;
	for (y = win->_cury; y < win->_maxy; y++) {
		minx = _NOCHANGE;
		end = &win->_y[y][win->_maxx];
		for (sp = &win->_y[y][startx]; sp < end; sp++)
			if (*sp != ' ') {
				maxx = sp;
				if (minx == _NOCHANGE)
					minx = sp - win->_y[y];
				*sp = ' ';
			}
		if (minx != _NOCHANGE)
			touchline(win, y, minx, maxx - &win->_y[y][0]);
		startx = 0;
	}
}

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