###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_SaveFile_IO Save all the data into an SDL data stream. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_iostream.h) ## Syntax ```c bool SDL_SaveFile_IO(SDL_IOStream *src, const void *data, size_t datasize, bool closeio); ``` ## Function Parameters | | | | | ------------------------------ | ------------ | ---------------------------------------------------------------------------------------------------- | | [SDL_IOStream](SDL_IOStream) * | **src** | the [SDL_IOStream](SDL_IOStream) to write all data to. | | const void * | **data** | the data to be written. If datasize is 0, may be NULL or a invalid pointer. | | size_t | **datasize** | the number of bytes to be written. | | bool | **closeio** | if true, calls [SDL_CloseIO](SDL_CloseIO)() on `src` before returning, even in the case of an error. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_SaveFile](SDL_SaveFile) - [SDL_LoadFile_IO](SDL_LoadFile_IO) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryIOStream](CategoryIOStream)