sdl_quit(3) - Linux man page
Name
SDL_Quit - Shut down SDLSynopsis
#include "SDL.h"
void SDL_Quit(void);
Description
SDL_Quit shuts down all SDL subsystems and frees the resources allocated to them. This should always be called before you exit. For the sake of simplicity you can set SDL_Quit as your atexit call, like:
CWSDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO); atexit(SDL_Quit); . .
Note:While using atexit maybe be fine for small programs, more advanced users should shut down SDL in their own cleanup code. Plus, using atexit in a library is a sure way to crash dynamically loaded code
See Also
SDL_QuitSubsystem, SDL_Init