$2 ~ /^P_/ ||
		$2 ~/^PPPIOC/ ||
		$2 ~ /^FAN_|FANOTIFY_/ ||
		$2 == "HID_MAX_DESCRIPTOR_SIZE" ||
		$2 ~ /^_?HIDIOC/ ||
		$2 ~ /^BUS_(USB|HIL|BLUETOOTH|VIRTUAL)$/ ||
		$2 ~ /^MTD/ ||
		$2 ~ /^OTP/ ||
		$2 ~ /^MEM/ ||
		$2 ~ /^WG/ ||
		$2 ~ /^FIB_RULE_/ ||
		$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE|IOMIN$|IOOPT$|ALIGNOFF$|DISCARD|ROTATIONAL$|ZEROOUT$|GETDISKSEQ$)/ {printf("\t%s = C.%s\n", $2, $2)}