AB2               320 compat/svr4/svr4_termios.c 	undefined_flag4(c_oflag,T,ABDLY,T,AB0,T,AB1,T,AB2,T,AB3);
AB2               432 compat/svr4/svr4_termios.c 	undefined_flag4(c_oflag,T,ABDLY,T,AB0,T,AB1,T,AB2,T,AB3);