rwmode             92 ext/dbm/gdbm.c   int rwmode;
rwmode            115 ext/dbm/gdbm.c   rwmode = SCM_INT_VALUE(rwmode_scm);
rwmode            128 ext/dbm/gdbm.c   z->dbf = gdbm_open(Scm_GetString(name), size, rwmode, fmode, NULL);