gfs_pio_flush - flush a stream
#include <gfarm/gfarm.h>
char *gfs_pio_flush (GFS_File gf);
The function gfs_pio_flush() forces a write of all user-space buffered
data for the given output gf.
NULL The function terminated successfully.
GFARM_ERR_NO_MEMORY
Insufficient memory was available.
Others An error except the above occurred. The reason is shown by its
pointed strings.
gfs_pio_create(3), gfs_pio_open(3), gfs_pio_write(3)