Man page - sdl_openio(3)

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Package: libsdl3-doc
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SDL_OpenIO - Create a custom SDL_IOStream .

Defined in SDL3/SDL_iostream.h

#include "SDL3/SDL.h"

SDL_IOStream * SDL_OpenIO(const SDL_IOStreamInterface *iface, void *userdata);

Applications do not need to use this function unless they are providing their own SDL_IOStream
implementation. If you just need an

SDL_IOStream
to read/write a common data source, you should use the built-in implementations in SDL, like

SDL_IOFromFile () or SDL_IOFromMem (), etc.

This function makes a copy of iface and the caller does not need to keep it around after this call.

iface

the interface that implements this SDL_IOStream , initialized using SDL_INIT_INTERFACE ().

userdata

the pointer that will be passed to the interface functions.

( SDL_IOStream
*) Returns a pointer to the allocated memory on success or NULL on failure; call SDL_GetError () for more information.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.