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.\"
.\" $Id: rfio_read.man,v 1.1 2005/03/31 13:13:03 baud Exp $
.\"
.\" @(#)$RCSfile: rfio_read.man,v $ $Revision: 1.1 $ $Date: 2005/03/31 13:13:03 $ CERN IT-PDP/DM Jean-Philippe Baud
.\" Copyright (C) 1999-2001 by CERN/IT/PDP/DM
.\" All rights reserved
.\"
.TH RFIO_READ 3 "$Date: 2005/03/31 13:13:03 $" CASTOR "Rfio Library Functions"
.SH NAME
rfio_read \- reads in a file
.SH SYNOPSIS
.B #include <sys/types.h>
.br
\fB#include "rfio_api.h"\fR
.sp
.BI "int rfio_read (int " s ", void *" ptr ", int " size ");"
.SH DESCRIPTION
.B rfio_read
reads in the file and store in
.BR ptr ,
a pointer to the memory location in which to place the information,
.BI size
bytes, using the descriptor
.BI s
generated by a previous
.BR rfio_open .
.SH RETURN VALUE
This routine returns -1 if the operation failed or the number of bytes actually read. In case of failure,
.B serrno
is set appropriately.
.SH ERRORS
.TP 1.3i
.B EBADF
.I s
is not a valid descriptor.
.TP
.B SENOSHOST
Host unknown.
.TP
.B SENOSSERV
Service unknown.
.TP
.B SETIMEDOUT
Timed out.
.TP
.B SEBADVERSION
Version ID mismatch.
.TP
.B SECONNDROP
Connection closed by remote end.
.TP
.B SECOMERR
Communication error.
.TP
.B SENORCODE
Host did not return error number.
.SH SEE ALSO
.BR rfio_open(3)
.SH AUTHOR
\fBCASTOR\fP Team <castor.support@cern.ch>
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