IBCS2_VSTART      201 compat/ibcs2/ibcs2_ioctl.c 	    st->c_cc[IBCS2_VSTART] ? st->c_cc[IBCS2_VSTART] : _POSIX_VDISABLE;
IBCS2_VSTART      296 compat/ibcs2/ibcs2_ioctl.c 	st->c_cc[IBCS2_VSTART] =