Argument

 

invo_handle_in

   OpenVMS usage:invo_handle
   type:         quadword
   access:       read only
   mechanism:    by reference

   The address of an invocation handle that represents a target
   invocation context.
 

invo_handle_out

   OpenVMS usage:invo_handle
   type:         quadword
   access:       write only
   mechanism:    by reference

   Address of the location into which the invocation context handle
   of the previous context is to be written. If the call fails, the
   value of the previous invocation context handle is LIB$K_INVO_
   HANDLE_NULL.