Added Keyword Aliases for some SDL Functions

SDL2/sdl2.inc

@@ -5,3 +5,22 @@
 
 typedef SDL_Window* PWINDOW;
 typedef SDL_Surface* PSURFACE;
+typedef SDL_Renderer* PRENDERER;
+typedef SDL_Event EVENT;
+typedef SDL_Rect RECT;
+
+#define SetRenderDrawColor SDL_SetRenderDrawColor
+#define RenderClear SDL_RenderClear
+#define RenderDrawRect SDL_RenderDrawRect
+#define RenderFillRect SDL_RenderFillRect
+#define RenderDrawLine SDL_RenderDrawLine
+#define RenderPresent SDL_RenderPresent
+#define Delay SDL_Delay
+#define Quit SDL_Quit
+#define CreateWindow SDL_CreateWindow
+#define CreateRenderer SDL_CreateRenderer
+#define PollEvent SDL_PollEvent
+#define KEYDOWN SDL_KEYDOWN
+#define KEYUP SDL_KEYUP
+#define Init SDL_Init
+#define Rect SDL_Rect