RtlIpv6StringToAddressExA

// ntdll.dll  (ANSI / -A)
#include <windows.h>

INT RtlIpv6StringToAddressExA(
    LPCSTR AddressString,
    IN6_ADDR* Address,
    DWORD* ScopeId,
    WORD* Port
);

<DllImport("ntdll.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RtlIpv6StringToAddressExA(
    <MarshalAs(UnmanagedType.LPStr)> AddressString As String,   ' LPCSTR
    Address As IntPtr,   ' IN6_ADDR* out
    <Out> ByRef ScopeId As UInteger,   ' DWORD* out
    <Out> ByRef Port As UShort   ' WORD* out
) As Integer
End Function

' AddressString : LPCSTR
' Address : IN6_ADDR* out
' ScopeId : DWORD* out
' Port : WORD* out
Declare PtrSafe Function RtlIpv6StringToAddressExA Lib "ntdll" ( _
    ByVal AddressString As String, _
    ByVal Address As LongPtr, _
    ByRef ScopeId As Long, _
    ByRef Port As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlIpv6StringToAddressExA = ctypes.windll.ntdll.RtlIpv6StringToAddressExA
RtlIpv6StringToAddressExA.restype = ctypes.c_int
RtlIpv6StringToAddressExA.argtypes = [
    wintypes.LPCSTR,  # AddressString : LPCSTR
    ctypes.c_void_p,  # Address : IN6_ADDR* out
    ctypes.POINTER(wintypes.DWORD),  # ScopeId : DWORD* out
    ctypes.POINTER(ctypes.c_ushort),  # Port : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlIpv6StringToAddressExA = Fiddle::Function.new(
  lib['RtlIpv6StringToAddressExA'],
  [
    Fiddle::TYPE_VOIDP,  # AddressString : LPCSTR
    Fiddle::TYPE_VOIDP,  # Address : IN6_ADDR* out
    Fiddle::TYPE_VOIDP,  # ScopeId : DWORD* out
    Fiddle::TYPE_VOIDP,  # Port : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ntdll")]
extern "system" {
    fn RtlIpv6StringToAddressExA(
        AddressString: *const u8,  // LPCSTR
        Address: *mut IN6_ADDR,  // IN6_ADDR* out
        ScopeId: *mut u32,  // DWORD* out
        Port: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll", CharSet = CharSet.Ansi)]
public static extern int RtlIpv6StringToAddressExA([MarshalAs(UnmanagedType.LPStr)] string AddressString, IntPtr Address, out uint ScopeId, out ushort Port);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlIpv6StringToAddressExA' -Namespace Win32 -PassThru
# $api::RtlIpv6StringToAddressExA(AddressString, Address, ScopeId, Port)

#uselib "ntdll.dll"
#func global RtlIpv6StringToAddressExA "RtlIpv6StringToAddressExA" sptr, sptr, sptr, sptr
; RtlIpv6StringToAddressExA AddressString, varptr(Address), varptr(ScopeId), varptr(Port)   ; 戻り値は stat
; AddressString : LPCSTR -> "sptr"
; Address : IN6_ADDR* out -> "sptr"
; ScopeId : DWORD* out -> "sptr"
; Port : WORD* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "ntdll.dll"
#cfunc global RtlIpv6StringToAddressExA "RtlIpv6StringToAddressExA" str, var, var, var
; res = RtlIpv6StringToAddressExA(AddressString, Address, ScopeId, Port)
; AddressString : LPCSTR -> "str"
; Address : IN6_ADDR* out -> "var"
; ScopeId : DWORD* out -> "var"
; Port : WORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; INT RtlIpv6StringToAddressExA(LPCSTR AddressString, IN6_ADDR* Address, DWORD* ScopeId, WORD* Port)
#uselib "ntdll.dll"
#cfunc global RtlIpv6StringToAddressExA "RtlIpv6StringToAddressExA" str, var, var, var
; res = RtlIpv6StringToAddressExA(AddressString, Address, ScopeId, Port)
; AddressString : LPCSTR -> "str"
; Address : IN6_ADDR* out -> "var"
; ScopeId : DWORD* out -> "var"
; Port : WORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlIpv6StringToAddressExA = ntdll.NewProc("RtlIpv6StringToAddressExA")
)

// AddressString (LPCSTR), Address (IN6_ADDR* out), ScopeId (DWORD* out), Port (WORD* out)
r1, _, err := procRtlIpv6StringToAddressExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(AddressString))),
	uintptr(Address),
	uintptr(ScopeId),
	uintptr(Port),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function RtlIpv6StringToAddressExA(
  AddressString: PAnsiChar;   // LPCSTR
  Address: Pointer;   // IN6_ADDR* out
  ScopeId: Pointer;   // DWORD* out
  Port: Pointer   // WORD* out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlIpv6StringToAddressExA';

result := DllCall("ntdll\RtlIpv6StringToAddressExA"
    , "AStr", AddressString   ; LPCSTR
    , "Ptr", Address   ; IN6_ADDR* out
    , "Ptr", ScopeId   ; DWORD* out
    , "Ptr", Port   ; WORD* out
    , "Int")   ; return: INT

●RtlIpv6StringToAddressExA(AddressString, Address, ScopeId, Port) = DLL("ntdll.dll", "int RtlIpv6StringToAddressExA(char*, void*, void*, void*)")
# 呼び出し: RtlIpv6StringToAddressExA(AddressString, Address, ScopeId, Port)
# AddressString : LPCSTR -> "char*"
# Address : IN6_ADDR* out -> "void*"
# ScopeId : DWORD* out -> "void*"
# Port : WORD* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。