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

    Serializes and deserializes opaque structures.
    Format
      #include  <tcpip$rpcxdr.h>
      bool_t  xdr_opaque(XDR *xdrs, char *op, u_int cnt);

  Additional Information (explode) :

• Arguments
• Description
• Return Values