eg_getpc.c

开放源码的编译器open watcom 1.6.0版的源代码

#include <conio.h>
#include <graph.h>
#include <stdlib.h>

main()
{
    struct xycoord pos;

    _setvideomode( _VRES16COLOR );
    _setvieworg( rand() % 640, rand() % 480 );
    pos = _getphyscoord( 0, 0 );
    _rectangle( _GBORDER, - pos.xcoord, - pos.ycoord,
		    639 - pos.xcoord, 479 - pos.ycoord );
    getch();
    _setvideomode( _DEFAULTMODE );
}