Returns the number of rows and columns of the current screen
#include <nwconio.h>
int GetSizeOfScreen (
WORD *height,
WORD *width);
(OUT) Points to the number of rows in the screen (first column is 0)
(OUT) Points to the number of columns in the screen (first column is 0)
This function returns the size of the current screen. Currently all screens are 25x80.