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.TH "GFS_PIO_ERROR" "3" "18 March 2003" "Gfarm" ""
.SH NAME
gfs_pio_error \- check file status
.SH SYNOPSIS
.sp
\fB#include <gfarm/gfarm.h>
.sp
char *gfs_pio_error (GFS_File \fIgf\fB);
\fR
.SH "DESCRIPTION"
.PP
The function \fBgfs_pio_error()\fR tests the error indicator for the
file pointed to by \fIgf\fR, returning non-zero if it is set.
.SH "RETURN VALUES"
.TP
\fBNULL\fR
There is no error.
.TP
\fBOthers\fR
An error occurred.  The reason is shown by its pointed strings.
.SH "SEE ALSO"
.PP
\fBgfs_pio_create\fR(3),
\fBgfs_pio_eof\fR(3),
\fBgfs_pio_open\fR(3)