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