VMS Help TCPIP Services, Programming Interfaces, RPC XDR Routines, xdr_hyper  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Serializes and deserializes VAX quadwords (known in XDR as hyper-
    integers).
    Format
      #include  <tcpip$rpcxdr.h>
      bool_t  xdr_hyper(XDR *xdrs, quad *hp);

1 - Arguments

 xdrs
    A pointer to an XDR stream handle created by one of the XDR
    stream handle creation routines.
 hp
    A pointer to the hyper-integer data.

2 - Description

    A filter primitive that translates between hyper-integers and
    their external representations.

3 - Return Values

    TRUE               Indicates success.
    FALSE              Indicates failure.