Arguments

 

context

   OpenVMS usage:context
   type:         longword (unsigned)
   access:       modify
   mechanism:    by reference
   Message context information to be passed to various message
   routines. The context argument is the address of a longword that
   contains message context information.

   You should specify the value of this argument as 0 in the first
   of a sequence of calls to message routines. In the following
   calls, you should specify the message context value returned by
   this routine.
 

in_item_list

   OpenVMS usage:itmlst_3
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference
   Item list specifying options for the routine. The in_item_list
   argument is the address of a list of item descriptors, each of
   which specifies an option and provides the information needed to
   perform the operation.

   The item list is terminated by longword value of 0.