init.c

void initSDL(void){
	
	int rendererFlags, windowFlags;
	rendererFlags = SDL_RENDERER_ACCELERATED;
	windowFlags = 0;

	

	if (SDL_Init(SDL_INIT_VIDEO) < 0){
		printf("Failed to initialize SDL: %s\n", SDL_GetError());
		exit(1);
	}

	app.window = SDL_CreateWindow("Snake Game", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, windowFlags);
	
	if (!app.window){
		printf("Failed to create %dx%d window: %s\n", SCREEN_WIDTH, SCREEN_HEIGHT, SDL_GetError());
		exit(1);
	}

	SDL_Surface *iconSurface = IMG_Load("images/icon.png");
	if (iconSurface == NULL) {
    	printf("Error loading icon\n");
	}

	SDL_SetWindowIcon(app.window, iconSurface);
	SDL_FreeSurface(iconSurface);

	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
	app.renderer = SDL_CreateRenderer(app.window, -1, rendererFlags);

	if (!app.renderer){
		printf("Failed to create renderer: %s\n", SDL_GetError());
		exit(1);
	}

    if(!IMG_Init(IMG_INIT_PNG|IMG_INIT_JPG)) {
        printf("Failed to intialize IMG_Init: %s", SDL_GetError());
    }
}