NAME

       rfio_read - reads in a file

SYNOPSIS

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

       int rfio_read (int s, void *ptr, int size);

DESCRIPTION

       rfio_read  reads  in  the  file  and store in ptr, a pointer to the memory location in which to place the
       information, size bytes, using the descriptor s generated by a previous rfio_open.

RETURN VALUE

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

ERRORS

       EBADF        s is not a valid descriptor.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SETIMEDOUT   Timed out.

       SEBADVERSION Version ID mismatch.

       SECONNDROP   Connection closed by remote end.

       SECOMERR     Communication error.

       SENORCODE    Host did not return error number.

SEE ALSO

       rfio_open(3)

AUTHOR

       LCG Grid Deployment Team