ATM_VF_REGIS
test_bit(ATM_VF_REGIS,&(flags)) ? ATM_VS_INUSE : \
clear_bit(ATM_VF_REGIS, &vcc->flags);
set_bit(ATM_VF_REGIS, &vcc->flags);
clear_bit(ATM_VF_REGIS, &vcc->flags);
clear_bit(ATM_VF_REGIS, &vcc->flags); /* doesn't count */
clear_bit(ATM_VF_REGIS, &vcc->flags);
if (test_bit(ATM_VF_REGIS, &vcc->flags)) {
clear_bit(ATM_VF_REGIS, &vcc->flags);