line.c

来自「操作系统SunOS 4.1.3版本的源码」· C语言 代码 · 共 28 行

#ifndef lint
static char sccsid[] = "@(#)line.c 1.1 92/07/30 SMI"; /* from UCB 5.2 6/6/85 */
#endif not lint

#include "aed.h"

/*---------------------------------------------------------
 *	Line draws a line between two points.
 *
 *	Results:	None.
 *
 *	Side Effects:
 *	A line is drawn on the screen between (x1, y1) and (x2, y2).
 *---------------------------------------------------------
 */
line(x1, y1, x2, y2)
int x1, y1, x2, y2;
{
    setcolor("01");
    putc('Q', stdout);
    outxy20(x1, y1);
    putc('A', stdout);
    outxy20(x2, y2);
    (void) fflush(stdout);
    curx = x2;
    cury = y2;
}