flushall()

Flush all input/output buffers

Synopsis:

#include <stdio.h>

int flushall( void );

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The flushall() function flushes all buffers associated with open input/output streams. A subsequent read operation on an input stream reads new data from the associated stream.

Calling the flushall() function is equivalent to calling fflush() for all open streams.

Returns:

0: Success.
-1: An error occurred (errno is set).

Classification:

QNX 4

Safety:
Cancellation point	Yes
Interrupt handler	No
Signal handler	No
Thread	Yes

Caveats:

The QNX 4 version of this function returns the number of streams flushed.