RpcServerListen

// RPCRT4.dll
#include <windows.h>

RPC_STATUS RpcServerListen(
    DWORD MinimumCallThreads,
    DWORD MaxCalls,
    DWORD DontWait
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcServerListen(
    MinimumCallThreads As UInteger,   ' DWORD
    MaxCalls As UInteger,   ' DWORD
    DontWait As UInteger   ' DWORD
) As Integer
End Function

' MinimumCallThreads : DWORD
' MaxCalls : DWORD
' DontWait : DWORD
Declare PtrSafe Function RpcServerListen Lib "rpcrt4" ( _
    ByVal MinimumCallThreads As Long, _
    ByVal MaxCalls As Long, _
    ByVal DontWait 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

RpcServerListen = ctypes.windll.rpcrt4.RpcServerListen
RpcServerListen.restype = ctypes.c_int
RpcServerListen.argtypes = [
    wintypes.DWORD,  # MinimumCallThreads : DWORD
    wintypes.DWORD,  # MaxCalls : DWORD
    wintypes.DWORD,  # DontWait : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcServerListen = Fiddle::Function.new(
  lib['RpcServerListen'],
  [
    -Fiddle::TYPE_INT,  # MinimumCallThreads : DWORD
    -Fiddle::TYPE_INT,  # MaxCalls : DWORD
    -Fiddle::TYPE_INT,  # DontWait : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcServerListen(
        MinimumCallThreads: u32,  // DWORD
        MaxCalls: u32,  // DWORD
        DontWait: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcServerListen(uint MinimumCallThreads, uint MaxCalls, uint DontWait);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcServerListen' -Namespace Win32 -PassThru
# $api::RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)

#uselib "RPCRT4.dll"
#func global RpcServerListen "RpcServerListen" sptr, sptr, sptr
; RpcServerListen MinimumCallThreads, MaxCalls, DontWait   ; 戻り値は stat
; MinimumCallThreads : DWORD -> "sptr"
; MaxCalls : DWORD -> "sptr"
; DontWait : DWORD -> "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 "RPCRT4.dll"
#cfunc global RpcServerListen "RpcServerListen" int, int, int
; res = RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
; MinimumCallThreads : DWORD -> "int"
; MaxCalls : DWORD -> "int"
; DontWait : DWORD -> "int"

; RPC_STATUS RpcServerListen(DWORD MinimumCallThreads, DWORD MaxCalls, DWORD DontWait)
#uselib "RPCRT4.dll"
#cfunc global RpcServerListen "RpcServerListen" int, int, int
; res = RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
; MinimumCallThreads : DWORD -> "int"
; MaxCalls : DWORD -> "int"
; DontWait : DWORD -> "int"

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

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcServerListen = rpcrt4.NewProc("RpcServerListen")
)

// MinimumCallThreads (DWORD), MaxCalls (DWORD), DontWait (DWORD)
r1, _, err := procRpcServerListen.Call(
	uintptr(MinimumCallThreads),
	uintptr(MaxCalls),
	uintptr(DontWait),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcServerListen(
  MinimumCallThreads: DWORD;   // DWORD
  MaxCalls: DWORD;   // DWORD
  DontWait: DWORD   // DWORD
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcServerListen';

result := DllCall("RPCRT4\RpcServerListen"
    , "UInt", MinimumCallThreads   ; DWORD
    , "UInt", MaxCalls   ; DWORD
    , "UInt", DontWait   ; DWORD
    , "Int")   ; return: RPC_STATUS

●RpcServerListen(MinimumCallThreads, MaxCalls, DontWait) = DLL("RPCRT4.dll", "int RpcServerListen(dword, dword, dword)")
# 呼び出し: RpcServerListen(MinimumCallThreads, MaxCalls, DontWait)
# MinimumCallThreads : DWORD -> "dword"
# MaxCalls : DWORD -> "dword"
# DontWait : DWORD -> "dword"
# 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)。