Arguments

 

library_index

   OpenVMS usage:longword_unsigned
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference
   Library control index returned by the LBR$INI_CONTROL routine.
   The library_index argument is the address of the longword that
   contains the index.
 

action_routine

   OpenVMS usage:procedure
   type:         procedure value
   access:       modify
   mechanism:    by reference
   User-supplied routine for processing library update history
   records. The action_routine argument is the address of the
   procedure value of this user-supplied routine. The routine is
   invoked once for each update history record in the library.
   One argument is passed to the routine, namely, the address of
   a descriptor pointing to a history record.