RpcCertGeneratePrincipalNameW

// RPCRT4.dll  (Unicode / -W)
#include <windows.h>

RPC_STATUS RpcCertGeneratePrincipalNameW(
    const CERT_CONTEXT* Context,
    DWORD Flags,
    LPWSTR* pBuffer
);

<DllImport("RPCRT4.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RpcCertGeneratePrincipalNameW(
    Context As IntPtr,   ' CERT_CONTEXT*
    Flags As UInteger,   ' DWORD
    pBuffer As IntPtr   ' LPWSTR* out
) As Integer
End Function

' Context : CERT_CONTEXT*
' Flags : DWORD
' pBuffer : LPWSTR* out
Declare PtrSafe Function RpcCertGeneratePrincipalNameW Lib "rpcrt4" ( _
    ByVal Context As LongPtr, _
    ByVal Flags As Long, _
    ByVal pBuffer 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

RpcCertGeneratePrincipalNameW = ctypes.windll.rpcrt4.RpcCertGeneratePrincipalNameW
RpcCertGeneratePrincipalNameW.restype = ctypes.c_int
RpcCertGeneratePrincipalNameW.argtypes = [
    ctypes.c_void_p,  # Context : CERT_CONTEXT*
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # pBuffer : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcCertGeneratePrincipalNameW = Fiddle::Function.new(
  lib['RpcCertGeneratePrincipalNameW'],
  [
    Fiddle::TYPE_VOIDP,  # Context : CERT_CONTEXT*
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # pBuffer : LPWSTR* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcCertGeneratePrincipalNameW(
        Context: *const CERT_CONTEXT,  // CERT_CONTEXT*
        Flags: u32,  // DWORD
        pBuffer: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll", CharSet = CharSet.Unicode)]
public static extern int RpcCertGeneratePrincipalNameW(IntPtr Context, uint Flags, IntPtr pBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcCertGeneratePrincipalNameW' -Namespace Win32 -PassThru
# $api::RpcCertGeneratePrincipalNameW(Context, Flags, pBuffer)

#uselib "RPCRT4.dll"
#func global RpcCertGeneratePrincipalNameW "RpcCertGeneratePrincipalNameW" wptr, wptr, wptr
; RpcCertGeneratePrincipalNameW varptr(Context), Flags, varptr(pBuffer)   ; 戻り値は stat
; Context : CERT_CONTEXT* -> "wptr"
; Flags : DWORD -> "wptr"
; pBuffer : LPWSTR* 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 "RPCRT4.dll"
#cfunc global RpcCertGeneratePrincipalNameW "RpcCertGeneratePrincipalNameW" var, int, var
; res = RpcCertGeneratePrincipalNameW(Context, Flags, pBuffer)
; Context : CERT_CONTEXT* -> "var"
; Flags : DWORD -> "int"
; pBuffer : LPWSTR* 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。

; RPC_STATUS RpcCertGeneratePrincipalNameW(CERT_CONTEXT* Context, DWORD Flags, LPWSTR* pBuffer)
#uselib "RPCRT4.dll"
#cfunc global RpcCertGeneratePrincipalNameW "RpcCertGeneratePrincipalNameW" var, int, var
; res = RpcCertGeneratePrincipalNameW(Context, Flags, pBuffer)
; Context : CERT_CONTEXT* -> "var"
; Flags : DWORD -> "int"
; pBuffer : LPWSTR* 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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcCertGeneratePrincipalNameW = rpcrt4.NewProc("RpcCertGeneratePrincipalNameW")
)

// Context (CERT_CONTEXT*), Flags (DWORD), pBuffer (LPWSTR* out)
r1, _, err := procRpcCertGeneratePrincipalNameW.Call(
	uintptr(Context),
	uintptr(Flags),
	uintptr(pBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcCertGeneratePrincipalNameW(
  Context: Pointer;   // CERT_CONTEXT*
  Flags: DWORD;   // DWORD
  pBuffer: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcCertGeneratePrincipalNameW';

result := DllCall("RPCRT4\RpcCertGeneratePrincipalNameW"
    , "Ptr", Context   ; CERT_CONTEXT*
    , "UInt", Flags   ; DWORD
    , "Ptr", pBuffer   ; LPWSTR* out
    , "Int")   ; return: RPC_STATUS

●RpcCertGeneratePrincipalNameW(Context, Flags, pBuffer) = DLL("RPCRT4.dll", "int RpcCertGeneratePrincipalNameW(void*, dword, void*)")
# 呼び出し: RpcCertGeneratePrincipalNameW(Context, Flags, pBuffer)
# Context : CERT_CONTEXT* -> "void*"
# Flags : DWORD -> "dword"
# pBuffer : LPWSTR* 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。