rb_gdbm_delete    575 ext/gdbm/gdbm.c     rb_gdbm_delete(obj, keystr);
rb_gdbm_delete    598 ext/gdbm/gdbm.c     rb_gdbm_delete(obj, keystr);
rb_gdbm_delete    637 ext/gdbm/gdbm.c         rb_gdbm_delete(obj, RARRAY_AREF(ary, i));