Win32 API 日本語リファレンス
ホームNetworking.WinSock › RtlIpv4StringToAddressExW

RtlIpv4StringToAddressExW

関数
文字列をIPv4アドレスとポートへ変換する。
DLLntdll.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// ntdll.dll  (Unicode / -W)
#include <windows.h>

INT RtlIpv4StringToAddressExW(
    LPCWSTR AddressString,
    BOOLEAN Strict,
    IN_ADDR* Address,
    WORD* Port
);

パラメーター

名前方向
AddressStringLPCWSTRin
StrictBOOLEANin
AddressIN_ADDR*out
PortWORD*out

戻り値の型: INT

各言語での呼び出し定義

// ntdll.dll  (Unicode / -W)
#include <windows.h>

INT RtlIpv4StringToAddressExW(
    LPCWSTR AddressString,
    BOOLEAN Strict,
    IN_ADDR* Address,
    WORD* Port
);
[DllImport("ntdll.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int RtlIpv4StringToAddressExW(
    [MarshalAs(UnmanagedType.LPWStr)] string AddressString,   // LPCWSTR
    [MarshalAs(UnmanagedType.U1)] bool Strict,   // BOOLEAN
    IntPtr Address,   // IN_ADDR* out
    out ushort Port   // WORD* out
);
<DllImport("ntdll.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RtlIpv4StringToAddressExW(
    <MarshalAs(UnmanagedType.LPWStr)> AddressString As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.U1)> Strict As Boolean,   ' BOOLEAN
    Address As IntPtr,   ' IN_ADDR* out
    <Out> ByRef Port As UShort   ' WORD* out
) As Integer
End Function
' AddressString : LPCWSTR
' Strict : BOOLEAN
' Address : IN_ADDR* out
' Port : WORD* out
Declare PtrSafe Function RtlIpv4StringToAddressExW Lib "ntdll" ( _
    ByVal AddressString As LongPtr, _
    ByVal Strict As Byte, _
    ByVal Address As LongPtr, _
    ByRef Port As Integer) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

RtlIpv4StringToAddressExW = ctypes.windll.ntdll.RtlIpv4StringToAddressExW
RtlIpv4StringToAddressExW.restype = ctypes.c_int
RtlIpv4StringToAddressExW.argtypes = [
    wintypes.LPCWSTR,  # AddressString : LPCWSTR
    ctypes.c_byte,  # Strict : BOOLEAN
    ctypes.c_void_p,  # Address : IN_ADDR* out
    ctypes.POINTER(ctypes.c_ushort),  # Port : WORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlIpv4StringToAddressExW = Fiddle::Function.new(
  lib['RtlIpv4StringToAddressExW'],
  [
    Fiddle::TYPE_VOIDP,  # AddressString : LPCWSTR
    Fiddle::TYPE_CHAR,  # Strict : BOOLEAN
    Fiddle::TYPE_VOIDP,  # Address : IN_ADDR* out
    Fiddle::TYPE_VOIDP,  # Port : WORD* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "ntdll")]
extern "system" {
    fn RtlIpv4StringToAddressExW(
        AddressString: *const u16,  // LPCWSTR
        Strict: u8,  // BOOLEAN
        Address: *mut IN_ADDR,  // IN_ADDR* out
        Port: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ntdll.dll", CharSet = CharSet.Unicode)]
public static extern int RtlIpv4StringToAddressExW([MarshalAs(UnmanagedType.LPWStr)] string AddressString, [MarshalAs(UnmanagedType.U1)] bool Strict, IntPtr Address, out ushort Port);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlIpv4StringToAddressExW' -Namespace Win32 -PassThru
# $api::RtlIpv4StringToAddressExW(AddressString, Strict, Address, Port)
#uselib "ntdll.dll"
#func global RtlIpv4StringToAddressExW "RtlIpv4StringToAddressExW" wptr, wptr, wptr, wptr
; RtlIpv4StringToAddressExW AddressString, Strict, varptr(Address), varptr(Port)   ; 戻り値は stat
; AddressString : LPCWSTR -> "wptr"
; Strict : BOOLEAN -> "wptr"
; Address : IN_ADDR* out -> "wptr"
; Port : WORD* out -> "wptr"
; ※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。
出力引数:
#uselib "ntdll.dll"
#cfunc global RtlIpv4StringToAddressExW "RtlIpv4StringToAddressExW" wstr, int, var, var
; res = RtlIpv4StringToAddressExW(AddressString, Strict, Address, Port)
; AddressString : LPCWSTR -> "wstr"
; Strict : BOOLEAN -> "int"
; Address : IN_ADDR* 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。
出力引数:
; INT RtlIpv4StringToAddressExW(LPCWSTR AddressString, BOOLEAN Strict, IN_ADDR* Address, WORD* Port)
#uselib "ntdll.dll"
#cfunc global RtlIpv4StringToAddressExW "RtlIpv4StringToAddressExW" wstr, int, var, var
; res = RtlIpv4StringToAddressExW(AddressString, Strict, Address, Port)
; AddressString : LPCWSTR -> "wstr"
; Strict : BOOLEAN -> "int"
; Address : IN_ADDR* 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")
	procRtlIpv4StringToAddressExW = ntdll.NewProc("RtlIpv4StringToAddressExW")
)

// AddressString (LPCWSTR), Strict (BOOLEAN), Address (IN_ADDR* out), Port (WORD* out)
r1, _, err := procRtlIpv4StringToAddressExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(AddressString))),
	uintptr(Strict),
	uintptr(Address),
	uintptr(Port),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function RtlIpv4StringToAddressExW(
  AddressString: PWideChar;   // LPCWSTR
  Strict: ByteBool;   // BOOLEAN
  Address: Pointer;   // IN_ADDR* out
  Port: Pointer   // WORD* out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlIpv4StringToAddressExW';
result := DllCall("ntdll\RtlIpv4StringToAddressExW"
    , "WStr", AddressString   ; LPCWSTR
    , "Char", Strict   ; BOOLEAN
    , "Ptr", Address   ; IN_ADDR* out
    , "Ptr", Port   ; WORD* out
    , "Int")   ; return: INT
●RtlIpv4StringToAddressExW(AddressString, Strict, Address, Port) = DLL("ntdll.dll", "int RtlIpv4StringToAddressExW(char*, byte, void*, void*)")
# 呼び出し: RtlIpv4StringToAddressExW(AddressString, Strict, Address, Port)
# AddressString : LPCWSTR -> "char*"
# Strict : BOOLEAN -> "byte"
# Address : IN_ADDR* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。