Determines the size of the screen.
#include <screen.h> int GetActualScreenSize ( scr_t scrID, uint32_t *height, uint32_t *width, size_t *bufferSize);
(IN) Specifies the screen.
(OUT) Points to the number of lines in the screen.
(OUT) Points to the number of columns in the screen.
(OUT) Points to the size of the input buffer.
If successful, returns 0.