closed_dbm         50 ext/dbm/dbm.c      if ((dbmp) == 0) closed_dbm();\
closed_dbm         51 ext/dbm/dbm.c      if ((dbmp)->di_dbm == 0) closed_dbm();\
closed_dbm        105 ext/gdbm/gdbm.c     if ((dbmp) == 0) closed_dbm();\
closed_dbm        106 ext/gdbm/gdbm.c     if ((dbmp)->di_dbm == 0) closed_dbm();\