Hello SDL: Ваше первое окно

/*This source code copyrighted by Lazy Foo' Productions (2004-2015)
and may not be redistributed without written permission.
Спасибо, Лейзи, извини.*/
 
//Using SDL and standard IO
#include <SDL.h>
#include <stdio.h>
 
//Screen dimension constants
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
 
int main( int argc, char* args[] )
{
    //The window we'll be rendering to
    SDL_Window* window = NULL;
 
    //The surface contained by the window
    SDL_Surface* screenSurface = NULL;
 
    //Initialize SDL
    if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
    {
        printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
    }
    else
    {
        //Create window
        window = SDL_CreateWindow( "SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
        if( window == NULL )
        {
            printf( "Window could not be created! SDL_Error: %s\n", SDL_GetError() );
        }
        else
        {
            //Get window surface
            screenSurface = SDL_GetWindowSurface( window );
 
            //Fill the surface white
            SDL_FillRect( screenSurface, NULL, SDL_MapRGB( screenSurface->format, 0xFF, 0xFF, 0xFF ) );
 
            //Update the surface
            SDL_UpdateWindowSurface( window );
 
            //Wait two seconds
            SDL_Delay( 2000 );
        }
    }
 
    //Destroy window
    SDL_DestroyWindow( window );
 
    //Quit SDL subsystems
    SDL_Quit();
 
    return 0;
}