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.