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clear all input buffers and write all output buffers
Synopsis:
#include <stdio.h>int flushall( void );
Description:
The flushall() function clears all buffers associated with input streams, and writes any buffers associated with output streams.A subsequent read operation on an input file causes new datato be read from the associated file or device.
See Also
The pros and cons of flush, non-flush and semi-flush mounting inductive sensorsFlush database dataperform batch deletion or fuzzy deletion of keys in Redis - ApsaraDB for RedisWhat is a Data Flush (and why should marketing care)?Calling the flushall() function is equivalent to calling thefflush() for all open stream files.
Returns:
The number of open streams.When an output error occurs while writing to a file, the global variableerrno is set.
See Also
Flushing the database cacheExamples:
#include <stdio.h>void main() { printf( "The number of open files is %d\n", flushall() ); }produces output similar to the following:
The number of open files is 4
Classification:
WATCOM
| Safety: | |
|---|---|
| Interrupt handler | No |
| Signal handler | No |
| Thread | Yes |
See also:
| | |
