#include <graphics.h> int getwindowwidth(void);
/* getwindowwidth example */
#include <graphics.h>
int main(void)
{
int w_left, w_right;
int width; // Total width of w_left;
// Make two windows, side by side */
w_left = initwindow(300, 200);
width = getwindowwidth( );
w_right = initwindow(300, 200, width, 0);
/* clean up */
getch();
closegraph();
return 0;
}