Initializes sdl
#include "SDL.h"
int SDL_Init(Uint32 flags);
Initializes SDL. This should be called before all other SDL functions. The flags parameter specifies what part(s) of SDL to initialize.
SDL_INIT_TIMER
Initializes the timer subsystem.
SDL_INIT_AUDIO
Initializes the audio subsystem.
SDL_INIT_VIDEO
Initializes the video subsystem.
SDL_INIT_CDROM
Initializes the cdrom subsystem.
SDL_INIT_JOYSTICK
Initializes the joystick subsystem.
SDL_INIT_EVERYTHING
Initialize all of the above.
SDL_INIT_NOPARACHUTE
Prevents SDL from catching fatal signals.
SDL_INIT_EVENTTHREAD
Returns -1 on an error or 0 on success.
SDL_Quit, SDL_InitSubSystem