CX18_F_S_APPL_IO
!test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) {
clear_bit(CX18_F_S_APPL_IO, &s->s_flags);
set_bit(CX18_F_S_APPL_IO, &s->s_flags);
set_bit(CX18_F_S_APPL_IO, &s->s_flags);
!test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) {
!test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) {
clear_bit(CX18_F_S_APPL_IO, &s->s_flags);