Dostupnost ve verzích:
Sets file buffering on the given stream
|Parametr||Datový typ||Výchozí hodnota||Poznámka|
||The file pointer.|
||The number of bytes to buffer. If buffer is 0 then write operations are unbuffered. This ensures that all writes with fwrite are completed before other processes are allowed to write to that output stream.|
0 on success, or EOF if the request cannot be honored.