SDL_FlushIO - Man Page

#include <SDL3/SDL_iostream.h>

bool SDL_FlushIO(SDL_IOStream *context);

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.

context

SDL_IOStream structure to flush.

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

Do not use the same SDL_IOStream from two threads at once.

This function is available since SDL 3.2.0.

SDL_OpenIO(3), SDL_WriteIO(3)

SDL_IOFromFile(3), SDL_IOFromMem(3), SDL_WriteIO(3).