(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_InitSubSystem

Compatibility function to initialize the SDL library.

Header File

Defined in SDL_init.h, but apps should use #include <SDL3/SDL.h>

Syntax

int SDL_InitSubSystem(Uint32 flags);

Function Parameters

flags

any of the flags used by SDL_Init(); see SDL_Init for details.

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

This function and SDL_Init() are interchangeable.

Version

This function is available since SDL 3.0.0.

Code Examples

/* Separating Joystick and Video initialization. */
SDL_Init(SDL_INIT_VIDEO);

SDL_Window* window = SDL_CreateWindow("A Window",
    640, 480,
    SDL_WINDOW_FULLSCREEN);
SDL_Renderer* renderer = SDL_CreateRenderer(window, NULL, 0);

/* Do Some Video stuff */

/* Initialize the joystick subsystem */
SDL_InitSubSystem(SDL_INIT_JOYSTICK);

/* Do some stuff with video and joystick */

/* Shut them both down */
SDL_Quit();