GetNamedPipeClientComputerNameW

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

BOOL GetNamedPipeClientComputerNameW(
    HANDLE Pipe,
    LPWSTR ClientComputerName,
    DWORD ClientComputerNameLength
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function GetNamedPipeClientComputerNameW(
    Pipe As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPWStr)> ClientComputerName As System.Text.StringBuilder,   ' LPWSTR out
    ClientComputerNameLength As UInteger   ' DWORD
) As Boolean
End Function

' Pipe : HANDLE
' ClientComputerName : LPWSTR out
' ClientComputerNameLength : DWORD
Declare PtrSafe Function GetNamedPipeClientComputerNameW Lib "kernel32" ( _
    ByVal Pipe As LongPtr, _
    ByVal ClientComputerName As LongPtr, _
    ByVal ClientComputerNameLength 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

GetNamedPipeClientComputerNameW = ctypes.windll.kernel32.GetNamedPipeClientComputerNameW
GetNamedPipeClientComputerNameW.restype = wintypes.BOOL
GetNamedPipeClientComputerNameW.argtypes = [
    wintypes.HANDLE,  # Pipe : HANDLE
    wintypes.LPWSTR,  # ClientComputerName : LPWSTR out
    wintypes.DWORD,  # ClientComputerNameLength : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetNamedPipeClientComputerNameW = Fiddle::Function.new(
  lib['GetNamedPipeClientComputerNameW'],
  [
    Fiddle::TYPE_VOIDP,  # Pipe : HANDLE
    Fiddle::TYPE_VOIDP,  # ClientComputerName : LPWSTR out
    -Fiddle::TYPE_INT,  # ClientComputerNameLength : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn GetNamedPipeClientComputerNameW(
        Pipe: *mut core::ffi::c_void,  // HANDLE
        ClientComputerName: *mut u16,  // LPWSTR out
        ClientComputerNameLength: 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 GetNamedPipeClientComputerNameW(IntPtr Pipe, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder ClientComputerName, uint ClientComputerNameLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetNamedPipeClientComputerNameW' -Namespace Win32 -PassThru
# $api::GetNamedPipeClientComputerNameW(Pipe, ClientComputerName, ClientComputerNameLength)

#uselib "KERNEL32.dll"
#func global GetNamedPipeClientComputerNameW "GetNamedPipeClientComputerNameW" wptr, wptr, wptr
; GetNamedPipeClientComputerNameW Pipe, varptr(ClientComputerName), ClientComputerNameLength   ; 戻り値は stat
; Pipe : HANDLE -> "wptr"
; ClientComputerName : LPWSTR out -> "wptr"
; ClientComputerNameLength : 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 GetNamedPipeClientComputerNameW "GetNamedPipeClientComputerNameW" sptr, var, int
; res = GetNamedPipeClientComputerNameW(Pipe, ClientComputerName, ClientComputerNameLength)
; Pipe : HANDLE -> "sptr"
; ClientComputerName : LPWSTR out -> "var"
; ClientComputerNameLength : DWORD -> "int"
; ※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。

; BOOL GetNamedPipeClientComputerNameW(HANDLE Pipe, LPWSTR ClientComputerName, DWORD ClientComputerNameLength)
#uselib "KERNEL32.dll"
#cfunc global GetNamedPipeClientComputerNameW "GetNamedPipeClientComputerNameW" intptr, var, int
; res = GetNamedPipeClientComputerNameW(Pipe, ClientComputerName, ClientComputerNameLength)
; Pipe : HANDLE -> "intptr"
; ClientComputerName : LPWSTR out -> "var"
; ClientComputerNameLength : DWORD -> "int"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetNamedPipeClientComputerNameW = kernel32.NewProc("GetNamedPipeClientComputerNameW")
)

// Pipe (HANDLE), ClientComputerName (LPWSTR out), ClientComputerNameLength (DWORD)
r1, _, err := procGetNamedPipeClientComputerNameW.Call(
	uintptr(Pipe),
	uintptr(ClientComputerName),
	uintptr(ClientComputerNameLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetNamedPipeClientComputerNameW(
  Pipe: THandle;   // HANDLE
  ClientComputerName: PWideChar;   // LPWSTR out
  ClientComputerNameLength: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetNamedPipeClientComputerNameW';

result := DllCall("KERNEL32\GetNamedPipeClientComputerNameW"
    , "Ptr", Pipe   ; HANDLE
    , "Ptr", ClientComputerName   ; LPWSTR out
    , "UInt", ClientComputerNameLength   ; DWORD
    , "Int")   ; return: BOOL

●GetNamedPipeClientComputerNameW(Pipe, ClientComputerName, ClientComputerNameLength) = DLL("KERNEL32.dll", "bool GetNamedPipeClientComputerNameW(void*, char*, dword)")
# 呼び出し: GetNamedPipeClientComputerNameW(Pipe, ClientComputerName, ClientComputerNameLength)
# Pipe : HANDLE -> "void*"
# ClientComputerName : LPWSTR out -> "char*"
# ClientComputerNameLength : 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。