RtlIpv6StringToAddressA

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

INT RtlIpv6StringToAddressA(
    LPCSTR S,
    LPCSTR* Terminator,
    IN6_ADDR* Addr
);

<DllImport("ntdll.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RtlIpv6StringToAddressA(
    <MarshalAs(UnmanagedType.LPStr)> S As String,   ' LPCSTR
    Terminator As IntPtr,   ' LPCSTR* out
    Addr As IntPtr   ' IN6_ADDR* out
) As Integer
End Function

' S : LPCSTR
' Terminator : LPCSTR* out
' Addr : IN6_ADDR* out
Declare PtrSafe Function RtlIpv6StringToAddressA Lib "ntdll" ( _
    ByVal S As String, _
    ByVal Terminator As LongPtr, _
    ByVal Addr As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlIpv6StringToAddressA = ctypes.windll.ntdll.RtlIpv6StringToAddressA
RtlIpv6StringToAddressA.restype = ctypes.c_int
RtlIpv6StringToAddressA.argtypes = [
    wintypes.LPCSTR,  # S : LPCSTR
    ctypes.c_void_p,  # Terminator : LPCSTR* out
    ctypes.c_void_p,  # Addr : IN6_ADDR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlIpv6StringToAddressA = Fiddle::Function.new(
  lib['RtlIpv6StringToAddressA'],
  [
    Fiddle::TYPE_VOIDP,  # S : LPCSTR
    Fiddle::TYPE_VOIDP,  # Terminator : LPCSTR* out
    Fiddle::TYPE_VOIDP,  # Addr : IN6_ADDR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ntdll")]
extern "system" {
    fn RtlIpv6StringToAddressA(
        S: *const u8,  // LPCSTR
        Terminator: *const *const u8,  // LPCSTR* out
        Addr: *mut IN6_ADDR  // IN6_ADDR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll", CharSet = CharSet.Ansi)]
public static extern int RtlIpv6StringToAddressA([MarshalAs(UnmanagedType.LPStr)] string S, IntPtr Terminator, IntPtr Addr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlIpv6StringToAddressA' -Namespace Win32 -PassThru
# $api::RtlIpv6StringToAddressA(S, Terminator, Addr)

#uselib "ntdll.dll"
#func global RtlIpv6StringToAddressA "RtlIpv6StringToAddressA" sptr, sptr, sptr
; RtlIpv6StringToAddressA S, varptr(Terminator), varptr(Addr)   ; 戻り値は stat
; S : LPCSTR -> "sptr"
; Terminator : LPCSTR* out -> "sptr"
; Addr : IN6_ADDR* 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 RtlIpv6StringToAddressA "RtlIpv6StringToAddressA" str, var, var
; res = RtlIpv6StringToAddressA(S, Terminator, Addr)
; S : LPCSTR -> "str"
; Terminator : LPCSTR* out -> "var"
; Addr : IN6_ADDR* 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 RtlIpv6StringToAddressA(LPCSTR S, LPCSTR* Terminator, IN6_ADDR* Addr)
#uselib "ntdll.dll"
#cfunc global RtlIpv6StringToAddressA "RtlIpv6StringToAddressA" str, var, var
; res = RtlIpv6StringToAddressA(S, Terminator, Addr)
; S : LPCSTR -> "str"
; Terminator : LPCSTR* out -> "var"
; Addr : IN6_ADDR* 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")
	procRtlIpv6StringToAddressA = ntdll.NewProc("RtlIpv6StringToAddressA")
)

// S (LPCSTR), Terminator (LPCSTR* out), Addr (IN6_ADDR* out)
r1, _, err := procRtlIpv6StringToAddressA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(S))),
	uintptr(Terminator),
	uintptr(Addr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function RtlIpv6StringToAddressA(
  S: PAnsiChar;   // LPCSTR
  Terminator: PPAnsiChar;   // LPCSTR* out
  Addr: Pointer   // IN6_ADDR* out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlIpv6StringToAddressA';

result := DllCall("ntdll\RtlIpv6StringToAddressA"
    , "AStr", S   ; LPCSTR
    , "Ptr", Terminator   ; LPCSTR* out
    , "Ptr", Addr   ; IN6_ADDR* out
    , "Int")   ; return: INT

●RtlIpv6StringToAddressA(S, Terminator, Addr) = DLL("ntdll.dll", "int RtlIpv6StringToAddressA(char*, void*, void*)")
# 呼び出し: RtlIpv6StringToAddressA(S, Terminator, Addr)
# S : LPCSTR -> "char*"
# Terminator : LPCSTR* out -> "void*"
# Addr : IN6_ADDR* 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)。