linePark

// TAPI32.dll  (ANSI / -A)
#include <windows.h>

INT linePark(
    DWORD hCall,
    DWORD dwParkMode,
    LPCSTR lpszDirAddress,
    VARSTRING* lpNonDirAddress
);

<DllImport("TAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function linePark(
    hCall As UInteger,   ' DWORD
    dwParkMode As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpszDirAddress As String,   ' LPCSTR
    lpNonDirAddress As IntPtr   ' VARSTRING* in/out
) As Integer
End Function

' hCall : DWORD
' dwParkMode : DWORD
' lpszDirAddress : LPCSTR
' lpNonDirAddress : VARSTRING* in/out
Declare PtrSafe Function linePark Lib "tapi32" ( _
    ByVal hCall As Long, _
    ByVal dwParkMode As Long, _
    ByVal lpszDirAddress As String, _
    ByVal lpNonDirAddress As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

linePark = ctypes.windll.tapi32.linePark
linePark.restype = ctypes.c_int
linePark.argtypes = [
    wintypes.DWORD,  # hCall : DWORD
    wintypes.DWORD,  # dwParkMode : DWORD
    wintypes.LPCSTR,  # lpszDirAddress : LPCSTR
    ctypes.c_void_p,  # lpNonDirAddress : VARSTRING* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
linePark = Fiddle::Function.new(
  lib['linePark'],
  [
    -Fiddle::TYPE_INT,  # hCall : DWORD
    -Fiddle::TYPE_INT,  # dwParkMode : DWORD
    Fiddle::TYPE_VOIDP,  # lpszDirAddress : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpNonDirAddress : VARSTRING* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn linePark(
        hCall: u32,  // DWORD
        dwParkMode: u32,  // DWORD
        lpszDirAddress: *const u8,  // LPCSTR
        lpNonDirAddress: *mut VARSTRING  // VARSTRING* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Ansi)]
public static extern int linePark(uint hCall, uint dwParkMode, [MarshalAs(UnmanagedType.LPStr)] string lpszDirAddress, IntPtr lpNonDirAddress);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_linePark' -Namespace Win32 -PassThru
# $api::linePark(hCall, dwParkMode, lpszDirAddress, lpNonDirAddress)

#uselib "TAPI32.dll"
#func global linePark "linePark" sptr, sptr, sptr, sptr
; linePark hCall, dwParkMode, lpszDirAddress, varptr(lpNonDirAddress)   ; 戻り値は stat
; hCall : DWORD -> "sptr"
; dwParkMode : DWORD -> "sptr"
; lpszDirAddress : LPCSTR -> "sptr"
; lpNonDirAddress : VARSTRING* in/out -> "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 "TAPI32.dll"
#cfunc global linePark "linePark" int, int, str, var
; res = linePark(hCall, dwParkMode, lpszDirAddress, lpNonDirAddress)
; hCall : DWORD -> "int"
; dwParkMode : DWORD -> "int"
; lpszDirAddress : LPCSTR -> "str"
; lpNonDirAddress : VARSTRING* in/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。

; INT linePark(DWORD hCall, DWORD dwParkMode, LPCSTR lpszDirAddress, VARSTRING* lpNonDirAddress)
#uselib "TAPI32.dll"
#cfunc global linePark "linePark" int, int, str, var
; res = linePark(hCall, dwParkMode, lpszDirAddress, lpNonDirAddress)
; hCall : DWORD -> "int"
; dwParkMode : DWORD -> "int"
; lpszDirAddress : LPCSTR -> "str"
; lpNonDirAddress : VARSTRING* in/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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclinePark = tapi32.NewProc("linePark")
)

// hCall (DWORD), dwParkMode (DWORD), lpszDirAddress (LPCSTR), lpNonDirAddress (VARSTRING* in/out)
r1, _, err := proclinePark.Call(
	uintptr(hCall),
	uintptr(dwParkMode),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszDirAddress))),
	uintptr(lpNonDirAddress),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function linePark(
  hCall: DWORD;   // DWORD
  dwParkMode: DWORD;   // DWORD
  lpszDirAddress: PAnsiChar;   // LPCSTR
  lpNonDirAddress: Pointer   // VARSTRING* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'linePark';

result := DllCall("TAPI32\linePark"
    , "UInt", hCall   ; DWORD
    , "UInt", dwParkMode   ; DWORD
    , "AStr", lpszDirAddress   ; LPCSTR
    , "Ptr", lpNonDirAddress   ; VARSTRING* in/out
    , "Int")   ; return: INT

●linePark(hCall, dwParkMode, lpszDirAddress, lpNonDirAddress) = DLL("TAPI32.dll", "int linePark(dword, dword, char*, void*)")
# 呼び出し: linePark(hCall, dwParkMode, lpszDirAddress, lpNonDirAddress)
# hCall : DWORD -> "dword"
# dwParkMode : DWORD -> "dword"
# lpszDirAddress : LPCSTR -> "char*"
# lpNonDirAddress : VARSTRING* in/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)。