fsync

Syntax

#include <unistd.h> int fsync(int file);

Description

Forces all information about the file with the given descriptor to be synchronized with the disk image. Works by calling DOS function 0x68. Warning: External disk caches are not flushed by this function.

fsync does not support directories.

Return Value

Zero on success, nonzero on failure.

Portability

ANSI/ISO C	No
POSIX	No

Example

fsync(fileno(stdout));