const syscall.IPPROTO_TCP

8 uses

	syscall (current package)
		zerrors_linux_amd64.go#L396: 	IPPROTO_TCP                      = 0x6

	google.golang.org/grpc/internal/syscall
		syscall_linux.go#L82: 		err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT, int(timeout/time.Millisecond))
		syscall_linux.go#L104: 		opt, err = syscall.GetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT)

	net
		ipsock_posix.go#L28: 	s, err := sysSocket(syscall.AF_INET, syscall.SOCK_STREAM, syscall.IPPROTO_TCP)
		ipsock_posix.go#L52: 		s, err := sysSocket(syscall.AF_INET6, syscall.SOCK_STREAM, syscall.IPPROTO_TCP)
		tcpsockopt_posix.go#L15: 	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(noDelay))
		tcpsockopt_unix.go#L18: 	if err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, secs); err != nil {
		tcpsockopt_unix.go#L21: 	err := fd.pfd.SetsockoptInt(syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, secs)

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