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Argument

 

event-flag-number

   OpenVMS usage:ef_number
   type:         longword (unsigned)
   access:       write only
   mechanism:    by reference

   Number of the local event flag that LIB$GET_EF allocated, or -
   1 if no local event flag was available. The event-flag-number
   argument is the address of a signed longword integer into which
   LIB$GET_EF writes the number of the local event flag that it
   allocates.