1 May 2002
gfs_pio_error 3 Gfarm
gfs_pio_error check file status

    #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.

## SEE ALSO

gfs_pio_create 3, gfs_pio_eof 3, gfs_pio_open 3