SecAllocateAndSetIPAddress

// SspiCli.dll
#include <windows.h>

HRESULT SecAllocateAndSetIPAddress(
    BYTE* lpIpAddress,
    DWORD cchIpAddress,
    INT* FreeCallContext
);

<DllImport("SspiCli.dll", ExactSpelling:=True)>
Public Shared Function SecAllocateAndSetIPAddress(
    lpIpAddress As IntPtr,   ' BYTE*
    cchIpAddress As UInteger,   ' DWORD
    <Out> ByRef FreeCallContext As Integer   ' INT* out
) As Integer
End Function

' lpIpAddress : BYTE*
' cchIpAddress : DWORD
' FreeCallContext : INT* out
Declare PtrSafe Function SecAllocateAndSetIPAddress Lib "sspicli" ( _
    ByVal lpIpAddress As LongPtr, _
    ByVal cchIpAddress As Long, _
    ByRef FreeCallContext As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SecAllocateAndSetIPAddress = ctypes.windll.sspicli.SecAllocateAndSetIPAddress
SecAllocateAndSetIPAddress.restype = ctypes.c_int
SecAllocateAndSetIPAddress.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # lpIpAddress : BYTE*
    wintypes.DWORD,  # cchIpAddress : DWORD
    ctypes.POINTER(ctypes.c_int),  # FreeCallContext : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SspiCli.dll')
SecAllocateAndSetIPAddress = Fiddle::Function.new(
  lib['SecAllocateAndSetIPAddress'],
  [
    Fiddle::TYPE_VOIDP,  # lpIpAddress : BYTE*
    -Fiddle::TYPE_INT,  # cchIpAddress : DWORD
    Fiddle::TYPE_VOIDP,  # FreeCallContext : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "sspicli")]
extern "system" {
    fn SecAllocateAndSetIPAddress(
        lpIpAddress: *mut u8,  // BYTE*
        cchIpAddress: u32,  // DWORD
        FreeCallContext: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SspiCli.dll")]
public static extern int SecAllocateAndSetIPAddress(IntPtr lpIpAddress, uint cchIpAddress, out int FreeCallContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SspiCli_SecAllocateAndSetIPAddress' -Namespace Win32 -PassThru
# $api::SecAllocateAndSetIPAddress(lpIpAddress, cchIpAddress, FreeCallContext)

#uselib "SspiCli.dll"
#func global SecAllocateAndSetIPAddress "SecAllocateAndSetIPAddress" sptr, sptr, sptr
; SecAllocateAndSetIPAddress varptr(lpIpAddress), cchIpAddress, varptr(FreeCallContext)   ; 戻り値は stat
; lpIpAddress : BYTE* -> "sptr"
; cchIpAddress : DWORD -> "sptr"
; FreeCallContext : INT* 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 "SspiCli.dll"
#cfunc global SecAllocateAndSetIPAddress "SecAllocateAndSetIPAddress" var, int, var
; res = SecAllocateAndSetIPAddress(lpIpAddress, cchIpAddress, FreeCallContext)
; lpIpAddress : BYTE* -> "var"
; cchIpAddress : DWORD -> "int"
; FreeCallContext : INT* 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。

; HRESULT SecAllocateAndSetIPAddress(BYTE* lpIpAddress, DWORD cchIpAddress, INT* FreeCallContext)
#uselib "SspiCli.dll"
#cfunc global SecAllocateAndSetIPAddress "SecAllocateAndSetIPAddress" var, int, var
; res = SecAllocateAndSetIPAddress(lpIpAddress, cchIpAddress, FreeCallContext)
; lpIpAddress : BYTE* -> "var"
; cchIpAddress : DWORD -> "int"
; FreeCallContext : INT* 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 (
	sspicli = windows.NewLazySystemDLL("SspiCli.dll")
	procSecAllocateAndSetIPAddress = sspicli.NewProc("SecAllocateAndSetIPAddress")
)

// lpIpAddress (BYTE*), cchIpAddress (DWORD), FreeCallContext (INT* out)
r1, _, err := procSecAllocateAndSetIPAddress.Call(
	uintptr(lpIpAddress),
	uintptr(cchIpAddress),
	uintptr(FreeCallContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SecAllocateAndSetIPAddress(
  lpIpAddress: Pointer;   // BYTE*
  cchIpAddress: DWORD;   // DWORD
  FreeCallContext: Pointer   // INT* out
): Integer; stdcall;
  external 'SspiCli.dll' name 'SecAllocateAndSetIPAddress';

result := DllCall("SspiCli\SecAllocateAndSetIPAddress"
    , "Ptr", lpIpAddress   ; BYTE*
    , "UInt", cchIpAddress   ; DWORD
    , "Ptr", FreeCallContext   ; INT* out
    , "Int")   ; return: HRESULT

●SecAllocateAndSetIPAddress(lpIpAddress, cchIpAddress, FreeCallContext) = DLL("SspiCli.dll", "int SecAllocateAndSetIPAddress(void*, dword, void*)")
# 呼び出し: SecAllocateAndSetIPAddress(lpIpAddress, cchIpAddress, FreeCallContext)
# lpIpAddress : BYTE* -> "void*"
# cchIpAddress : DWORD -> "dword"
# FreeCallContext : INT* 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)。