Calls to this routine should match calls to NBS_FIND_NOTICEBOARD. After calling this routine, all identifiers associated with this noticeboard will be invalid. The noticeboard will only be deleted if no other process has it mapped.
[FORCE:] Unmap the noticeboard regardless of whether there or not there are identifiers derived from this one.
[CHECK:] Check that no identifiers are derived from this one (assumed if invalid option is given).
NBS__NILID NIL ID
NBS__NOTTOPLEVEL ID is not a top-level identifier
NBS__HASIDS Noticeboard has identifiers derived
from it
SS$_* System service codes from SYS$DELTVA (VMS only).
NBS The Noticeboard System