$READEF

   Returns the current status of all 32 event flags in a local or
   common event flag cluster and indicates whether the specified
   event flag is set or clear.

   On Alpha and Integrity server systems, this service accepts 64-
   bit addresses.

   Format

     SYS$READEF  efn ,state

   C Prototype

     int sys$readef  (unsigned int efn, unsigned int *state);
 

Additional information available:

Arguments