eg_getai.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>

main()
{
    struct xycoord start_pt, end_pt, inside_pt;

    _setvideomode( _VRES16COLOR );
    _arc( 120, 90, 520, 390, 520, 90, 120, 390 );
    _getarcinfo( &start_pt, &end_pt, &inside_pt );
    _moveto( start_pt.xcoord, start_pt.ycoord );
    _lineto( end_pt.xcoord, end_pt.ycoord );
    getch();
    _setvideomode( _DEFAULTMODE );
}