DOKK / manpages / debian 10 / libdpm-dev / rfio_pread.3.en
RFIO_PREAD(3) Rfio Library Functions RFIO_PREAD(3)

rfio_pread - reads in a file

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

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

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

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

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.

rfio_popen(3)

LCG Grid Deployment Team

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