(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_FlushIO

Flush any buffered data in the stream.

Header File

Syntax

bool SDL_FlushIO(SDL_IOStream *context);

Function Parameters

SDL_IOStream *

context

SDL_IOStream structure to flush.

Return Value

(bool) Returns true on success or false on failure; call SDL_GetError() for more information.

Remarks

This function makes sure that any buffered data is written to the stream. Normally this isn't necessary but if the stream is a pipe or socket it guarantees that any pending data is sent.

Version

This function is available since SDL 3.1.3.