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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L3629: 	WIN_READDMA_ONCE                            = 0xc9

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)