const syscall.TCP_KEEPALIVE

2 uses

	syscall (current package)
		zerrors_darwin_arm64.go#L1025: 	TCP_KEEPALIVE                     = 0x10

	net
		tcpsockopt_darwin.go#L22: 	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, secs)