WaitNamedPipeW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL WaitNamedPipeW(
    LPCWSTR lpNamedPipeName,
    DWORD nTimeOut
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function WaitNamedPipeW(
    <MarshalAs(UnmanagedType.LPWStr)> lpNamedPipeName As String,   ' LPCWSTR
    nTimeOut As UInteger   ' DWORD
) As Boolean
End Function

' lpNamedPipeName : LPCWSTR
' nTimeOut : DWORD
Declare PtrSafe Function WaitNamedPipeW Lib "kernel32" ( _
    ByVal lpNamedPipeName As LongPtr, _
    ByVal nTimeOut As Long) 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

WaitNamedPipeW = ctypes.windll.kernel32.WaitNamedPipeW
WaitNamedPipeW.restype = wintypes.BOOL
WaitNamedPipeW.argtypes = [
    wintypes.LPCWSTR,  # lpNamedPipeName : LPCWSTR
    wintypes.DWORD,  # nTimeOut : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
WaitNamedPipeW = Fiddle::Function.new(
  lib['WaitNamedPipeW'],
  [
    Fiddle::TYPE_VOIDP,  # lpNamedPipeName : LPCWSTR
    -Fiddle::TYPE_INT,  # nTimeOut : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn WaitNamedPipeW(
        lpNamedPipeName: *const u16,  // LPCWSTR
        nTimeOut: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern bool WaitNamedPipeW([MarshalAs(UnmanagedType.LPWStr)] string lpNamedPipeName, uint nTimeOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_WaitNamedPipeW' -Namespace Win32 -PassThru
# $api::WaitNamedPipeW(lpNamedPipeName, nTimeOut)

#uselib "KERNEL32.dll"
#func global WaitNamedPipeW "WaitNamedPipeW" wptr, wptr
; WaitNamedPipeW lpNamedPipeName, nTimeOut   ; 戻り値は stat
; lpNamedPipeName : LPCWSTR -> "wptr"
; nTimeOut : DWORD -> "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 "KERNEL32.dll"
#cfunc global WaitNamedPipeW "WaitNamedPipeW" wstr, int
; res = WaitNamedPipeW(lpNamedPipeName, nTimeOut)
; lpNamedPipeName : LPCWSTR -> "wstr"
; nTimeOut : DWORD -> "int"

; BOOL WaitNamedPipeW(LPCWSTR lpNamedPipeName, DWORD nTimeOut)
#uselib "KERNEL32.dll"
#cfunc global WaitNamedPipeW "WaitNamedPipeW" wstr, int
; res = WaitNamedPipeW(lpNamedPipeName, nTimeOut)
; lpNamedPipeName : LPCWSTR -> "wstr"
; nTimeOut : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procWaitNamedPipeW = kernel32.NewProc("WaitNamedPipeW")
)

// lpNamedPipeName (LPCWSTR), nTimeOut (DWORD)
r1, _, err := procWaitNamedPipeW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpNamedPipeName))),
	uintptr(nTimeOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WaitNamedPipeW(
  lpNamedPipeName: PWideChar;   // LPCWSTR
  nTimeOut: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'WaitNamedPipeW';

result := DllCall("KERNEL32\WaitNamedPipeW"
    , "WStr", lpNamedPipeName   ; LPCWSTR
    , "UInt", nTimeOut   ; DWORD
    , "Int")   ; return: BOOL

●WaitNamedPipeW(lpNamedPipeName, nTimeOut) = DLL("KERNEL32.dll", "bool WaitNamedPipeW(char*, dword)")
# 呼び出し: WaitNamedPipeW(lpNamedPipeName, nTimeOut)
# lpNamedPipeName : LPCWSTR -> "char*"
# nTimeOut : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。