ImportSecurityContextW

// SECUR32.dll  (Unicode / -W)
#include <windows.h>

HRESULT ImportSecurityContextW(
    LPWSTR pszPackage,
    SecBuffer* pPackedContext,
    void* Token,
    SecHandle* phContext
);

<DllImport("SECUR32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function ImportSecurityContextW(
    <MarshalAs(UnmanagedType.LPWStr)> pszPackage As String,   ' LPWSTR
    pPackedContext As IntPtr,   ' SecBuffer*
    Token As IntPtr,   ' void*
    phContext As IntPtr   ' SecHandle* out
) As Integer
End Function

' pszPackage : LPWSTR
' pPackedContext : SecBuffer*
' Token : void*
' phContext : SecHandle* out
Declare PtrSafe Function ImportSecurityContextW Lib "secur32" ( _
    ByVal pszPackage As LongPtr, _
    ByVal pPackedContext As LongPtr, _
    ByVal Token As LongPtr, _
    ByVal phContext As LongPtr) 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

ImportSecurityContextW = ctypes.windll.secur32.ImportSecurityContextW
ImportSecurityContextW.restype = ctypes.c_int
ImportSecurityContextW.argtypes = [
    wintypes.LPCWSTR,  # pszPackage : LPWSTR
    ctypes.c_void_p,  # pPackedContext : SecBuffer*
    ctypes.POINTER(None),  # Token : void*
    ctypes.c_void_p,  # phContext : SecHandle* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
ImportSecurityContextW = Fiddle::Function.new(
  lib['ImportSecurityContextW'],
  [
    Fiddle::TYPE_VOIDP,  # pszPackage : LPWSTR
    Fiddle::TYPE_VOIDP,  # pPackedContext : SecBuffer*
    Fiddle::TYPE_VOIDP,  # Token : void*
    Fiddle::TYPE_VOIDP,  # phContext : SecHandle* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "secur32")]
extern "system" {
    fn ImportSecurityContextW(
        pszPackage: *mut u16,  // LPWSTR
        pPackedContext: *mut SecBuffer,  // SecBuffer*
        Token: *mut (),  // void*
        phContext: *mut SecHandle  // SecHandle* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll", CharSet = CharSet.Unicode)]
public static extern int ImportSecurityContextW([MarshalAs(UnmanagedType.LPWStr)] string pszPackage, IntPtr pPackedContext, IntPtr Token, IntPtr phContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_ImportSecurityContextW' -Namespace Win32 -PassThru
# $api::ImportSecurityContextW(pszPackage, pPackedContext, Token, phContext)

#uselib "SECUR32.dll"
#func global ImportSecurityContextW "ImportSecurityContextW" wptr, wptr, wptr, wptr
; ImportSecurityContextW pszPackage, varptr(pPackedContext), Token, varptr(phContext)   ; 戻り値は stat
; pszPackage : LPWSTR -> "wptr"
; pPackedContext : SecBuffer* -> "wptr"
; Token : void* -> "wptr"
; phContext : SecHandle* 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。

#uselib "SECUR32.dll"
#cfunc global ImportSecurityContextW "ImportSecurityContextW" wstr, var, sptr, var
; res = ImportSecurityContextW(pszPackage, pPackedContext, Token, phContext)
; pszPackage : LPWSTR -> "wstr"
; pPackedContext : SecBuffer* -> "var"
; Token : void* -> "sptr"
; phContext : SecHandle* 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 ImportSecurityContextW(LPWSTR pszPackage, SecBuffer* pPackedContext, void* Token, SecHandle* phContext)
#uselib "SECUR32.dll"
#cfunc global ImportSecurityContextW "ImportSecurityContextW" wstr, var, intptr, var
; res = ImportSecurityContextW(pszPackage, pPackedContext, Token, phContext)
; pszPackage : LPWSTR -> "wstr"
; pPackedContext : SecBuffer* -> "var"
; Token : void* -> "intptr"
; phContext : SecHandle* 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 (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procImportSecurityContextW = secur32.NewProc("ImportSecurityContextW")
)

// pszPackage (LPWSTR), pPackedContext (SecBuffer*), Token (void*), phContext (SecHandle* out)
r1, _, err := procImportSecurityContextW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPackage))),
	uintptr(pPackedContext),
	uintptr(Token),
	uintptr(phContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ImportSecurityContextW(
  pszPackage: PWideChar;   // LPWSTR
  pPackedContext: Pointer;   // SecBuffer*
  Token: Pointer;   // void*
  phContext: Pointer   // SecHandle* out
): Integer; stdcall;
  external 'SECUR32.dll' name 'ImportSecurityContextW';

result := DllCall("SECUR32\ImportSecurityContextW"
    , "WStr", pszPackage   ; LPWSTR
    , "Ptr", pPackedContext   ; SecBuffer*
    , "Ptr", Token   ; void*
    , "Ptr", phContext   ; SecHandle* out
    , "Int")   ; return: HRESULT

●ImportSecurityContextW(pszPackage, pPackedContext, Token, phContext) = DLL("SECUR32.dll", "int ImportSecurityContextW(char*, void*, void*, void*)")
# 呼び出し: ImportSecurityContextW(pszPackage, pPackedContext, Token, phContext)
# pszPackage : LPWSTR -> "char*"
# pPackedContext : SecBuffer* -> "void*"
# Token : void* -> "void*"
# phContext : SecHandle* 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。