const golang.org/x/sys/unix.TCSETSW2

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L381: 	TCSETSW2                         = 0x402c542c

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)