rb_gdbm_delete   401 ext/gdbm/gdbm.c     rb_gdbm_delete(obj, keystr);
rb_gdbm_delete   420 ext/gdbm/gdbm.c     rb_gdbm_delete(obj, keystr);
rb_gdbm_delete   451 ext/gdbm/gdbm.c         rb_gdbm_delete(obj, RARRAY(ary)->ptr[i]);