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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux_amd64.go#L334: 	SO_RCVTIMEO_OLD                  = 0x14

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