Raylib HelloWorld in Pil21

(setq screenWidth 800 screenHeight 450)
(native "libraylib.so" "InitWindow" NIL screenWidth screenHeight "raylib [core] example - basic window")

(native "libraylib.so" "SetTargetFPS" NIL 60)

(while (=0 (native "libraylib.so" "WindowShouldClose" 'B))
  (native "libraylib.so" "BeginDrawing")
    (native "libraylib.so" "ClearBackground" NIL '(NIL (4 (B . 4)) 245 245 245 255) )
    (native "libraylib.so" "DrawText" NIL "Congrats! You created your first window!" 190 200 20 '(V (4 (B . 4)) 200 200 200 255) )
  (native "libraylib.so" "EndDrawing") )
(native "libraylib.so" "CloseWindow")