Argument

 

process-id

   OpenVMS usage:process_id
   type:         longword integer (unsigned)
   access:       read only
   mechanism:    by reference

   Identification of the process to which LIB$ATTACH requests the
   calling process to attach its terminal. The process-id argument
   is the address of an unsigned longword integer containing the
   process identification. The specified process must be currently
   detached (by means of a SPAWN or ATTACH command or by a call to
   LIB$SPAWN or LIB$ATTACH) and must be part of the caller's job.