GFS_PIO_ERROR(3)
NAME
gfs_pio_error - check file status
SYNOPSIS
#include <gfarm/gfarm.h> char *gfs_pio_error (GFS_File gf);
DESCRIPTION
The function gfs_pio_error() tests the error indicator for the file
pointed to by gf, returning non-zero if it is set.
RETURN VALUES
NULL There is no error.
Others An error occurred. The reason is shown by its pointed strings.