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RFIO_PREAD(3) Rfio Library Functions RFIO_PREAD(3)

NAME

rfio_pread - reads in a file

SYNOPSIS

#include <sys/types.h>
#include "rfio_api.h"

int rfio_pread (char *ptr, int size, int items, FILE *fd);

DESCRIPTION

rfio_pread reads items times size bytes, using the descriptor fd generated by a previous rfio_popen and strore them at location ptr.

RETURN VALUE

This routine returns -1 if the operation failed or the number of items actually read. In case of failure, serrno is set appropriately.

ERRORS

fd is a NULL pointer.
Host unknown.
Service unknown.
Timed out.
Version ID mismatch.
Connection closed by remote end.
Communication error.
Host did not return error number.

SEE ALSO

rfio_popen(3)

AUTHOR

LCG Grid Deployment Team

$Date: 2008/09/24 11:25:01 $ LCG