VTIOC
if ((iocp->ioc_cmd & VTIOC) == VTIOC ||
#define VT_GETACTIVE (VTIOC|107)
#define VT_RESET_CONSUSER (VTIOC|110)
#define VT_OPENQRY (VTIOC|1) /* inquires if this vt already open */
#define VT_SETMODE (VTIOC|2) /* set vt into auto or process mode */
#define VT_GETMODE (VTIOC|3) /* returns mode vt is currently in */
#define VT_RELDISP (VTIOC|4) /* tells vt when display released */
#define VT_ACTIVATE (VTIOC|5) /* activates specified vt */
#define VT_WAITACTIVE (VTIOC|6) /* wait for vt to be activated */
#define VT_GETSTATE (VTIOC|100) /* returns active and open vts */
#define VT_ENABLED (VTIOC|101)
#define VT_GET_CONSUSER (VTIOC|108)
#define VT_SET_CONSUSER (VTIOC|109)
#define VT_CONFIG (VTIOC|102) /* config virtual console number */
#define VT_SETDISPINFO (VTIOC|103) /* set display number */
#define VT_SETDISPLOGIN (VTIOC|104) /* set display login */
#define VT_GETDISPINFO (VTIOC|105) /* get display info */
#define VT_SET_TARGET (VTIOC|106)