RpcServerUseProtseqW

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

RPC_STATUS RpcServerUseProtseqW(
    LPWSTR Protseq,
    DWORD MaxCalls,
    void* SecurityDescriptor   // optional
);

<DllImport("RPCRT4.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RpcServerUseProtseqW(
    <MarshalAs(UnmanagedType.LPWStr)> Protseq As String,   ' LPWSTR
    MaxCalls As UInteger,   ' DWORD
    SecurityDescriptor As IntPtr   ' void* optional
) As Integer
End Function

' Protseq : LPWSTR
' MaxCalls : DWORD
' SecurityDescriptor : void* optional
Declare PtrSafe Function RpcServerUseProtseqW Lib "rpcrt4" ( _
    ByVal Protseq As LongPtr, _
    ByVal MaxCalls As Long, _
    ByVal SecurityDescriptor 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

RpcServerUseProtseqW = ctypes.windll.rpcrt4.RpcServerUseProtseqW
RpcServerUseProtseqW.restype = ctypes.c_int
RpcServerUseProtseqW.argtypes = [
    wintypes.LPCWSTR,  # Protseq : LPWSTR
    wintypes.DWORD,  # MaxCalls : DWORD
    ctypes.POINTER(None),  # SecurityDescriptor : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcServerUseProtseqW = Fiddle::Function.new(
  lib['RpcServerUseProtseqW'],
  [
    Fiddle::TYPE_VOIDP,  # Protseq : LPWSTR
    -Fiddle::TYPE_INT,  # MaxCalls : DWORD
    Fiddle::TYPE_VOIDP,  # SecurityDescriptor : void* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcServerUseProtseqW(
        Protseq: *mut u16,  // LPWSTR
        MaxCalls: u32,  // DWORD
        SecurityDescriptor: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll", CharSet = CharSet.Unicode)]
public static extern int RpcServerUseProtseqW([MarshalAs(UnmanagedType.LPWStr)] string Protseq, uint MaxCalls, IntPtr SecurityDescriptor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcServerUseProtseqW' -Namespace Win32 -PassThru
# $api::RpcServerUseProtseqW(Protseq, MaxCalls, SecurityDescriptor)

#uselib "RPCRT4.dll"
#func global RpcServerUseProtseqW "RpcServerUseProtseqW" wptr, wptr, wptr
; RpcServerUseProtseqW Protseq, MaxCalls, SecurityDescriptor   ; 戻り値は stat
; Protseq : LPWSTR -> "wptr"
; MaxCalls : DWORD -> "wptr"
; SecurityDescriptor : void* optional -> "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 RpcServerUseProtseqW "RpcServerUseProtseqW" wstr, int, sptr
; res = RpcServerUseProtseqW(Protseq, MaxCalls, SecurityDescriptor)
; Protseq : LPWSTR -> "wstr"
; MaxCalls : DWORD -> "int"
; SecurityDescriptor : void* optional -> "sptr"

; RPC_STATUS RpcServerUseProtseqW(LPWSTR Protseq, DWORD MaxCalls, void* SecurityDescriptor)
#uselib "RPCRT4.dll"
#cfunc global RpcServerUseProtseqW "RpcServerUseProtseqW" wstr, int, intptr
; res = RpcServerUseProtseqW(Protseq, MaxCalls, SecurityDescriptor)
; Protseq : LPWSTR -> "wstr"
; MaxCalls : DWORD -> "int"
; SecurityDescriptor : void* optional -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcServerUseProtseqW = rpcrt4.NewProc("RpcServerUseProtseqW")
)

// Protseq (LPWSTR), MaxCalls (DWORD), SecurityDescriptor (void* optional)
r1, _, err := procRpcServerUseProtseqW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Protseq))),
	uintptr(MaxCalls),
	uintptr(SecurityDescriptor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcServerUseProtseqW(
  Protseq: PWideChar;   // LPWSTR
  MaxCalls: DWORD;   // DWORD
  SecurityDescriptor: Pointer   // void* optional
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcServerUseProtseqW';

result := DllCall("RPCRT4\RpcServerUseProtseqW"
    , "WStr", Protseq   ; LPWSTR
    , "UInt", MaxCalls   ; DWORD
    , "Ptr", SecurityDescriptor   ; void* optional
    , "Int")   ; return: RPC_STATUS

●RpcServerUseProtseqW(Protseq, MaxCalls, SecurityDescriptor) = DLL("RPCRT4.dll", "int RpcServerUseProtseqW(char*, dword, void*)")
# 呼び出し: RpcServerUseProtseqW(Protseq, MaxCalls, SecurityDescriptor)
# Protseq : LPWSTR -> "char*"
# MaxCalls : DWORD -> "dword"
# SecurityDescriptor : void* optional -> "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。