+386 works well for me

go.mod

@@ -1,3 +1,3 @@
-module github.com/cakturk/go-netstat
+module github.com/abakum/go-netstat
 
-go 1.13
+go 1.20

main.go

@@ -1,3 +1,4 @@
+// rm go.mod;go mod init github.com/abakum/go-netstat;go mod tidy
 package main
 
 import (
@@ -6,7 +7,7 @@ import (
 	"net"
 	"os"
 
-	"github.com/cakturk/go-netstat/netstat"
+	"github.com/abakum/go-netstat/netstat"
 )
 
 var (

netstat/netstat.go

@@ -25,6 +25,22 @@ type SockTabEntry struct {
 	Process    *Process
 }
 
+func (s SockTabEntry) String() string {
+	l := ""
+	if s.LocalAddr != nil {
+		l = s.LocalAddr.String()
+	}
+	r := ""
+	if s.RemoteAddr != nil {
+		r = s.RemoteAddr.String()
+	}
+	p := ""
+	if s.Process != nil {
+		p = s.Process.String()
+	}
+	return fmt.Sprintf("%s %s %s %s", l, r, s.State, p)
+}
+
 // Process holds the PID and process name to which each socket belongs
 type Process struct {
 	Pid  int

netstat/netstat_linux.go → netstat/netstat_etc.go

@@ -1,3 +1,6 @@
+//go:build !windows
+// +build !windows
+
 // Package netstat provides primitives for getting socket information on a
 // Linux based operating system.
 package netstat

netstat/netstat_windows.go

@@ -1,4 +1,5 @@
-// +build amd64
+//go:build windows
+// +build windows
 
 package netstat
 
@@ -268,7 +269,7 @@ func rawGetTCPTable2(proc uintptr, tab unsafe.Pointer, size *uint32, order bool)
 	return nil
 }
 
-func getTCPTable2(proc uintptr, order bool) ([]byte, error) {
+func getTCPTable2(proc uintptr, _ bool) ([]byte, error) {
 	var (
 		size uint32
 		buf  []byte