ioperm(0x3b4, 0x3df-0x3b4+1, 0) . KDSETMODE Set text/graphics mode. argp is an unsigned integer ... values shown above for KDSETMODE . KDMKTONE Generate tone of specified length. T…2const) KDDELIO (2const) KDENABIO (2const) KDDISABIO (2const) KDSETMODE (2const) KDGETMODE (2const) KDMKTONE (2const) KIOCSOUND (2const