lineAnswer

// TAPI32.dll
#include <windows.h>

INT lineAnswer(
    DWORD hCall,
    LPCSTR lpsUserUserInfo,
    DWORD dwSize
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function lineAnswer(
    hCall As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpsUserUserInfo As String,   ' LPCSTR
    dwSize As UInteger   ' DWORD
) As Integer
End Function

' hCall : DWORD
' lpsUserUserInfo : LPCSTR
' dwSize : DWORD
Declare PtrSafe Function lineAnswer Lib "tapi32" ( _
    ByVal hCall As Long, _
    ByVal lpsUserUserInfo As String, _
    ByVal dwSize 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

lineAnswer = ctypes.windll.tapi32.lineAnswer
lineAnswer.restype = ctypes.c_int
lineAnswer.argtypes = [
    wintypes.DWORD,  # hCall : DWORD
    wintypes.LPCSTR,  # lpsUserUserInfo : LPCSTR
    wintypes.DWORD,  # dwSize : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineAnswer = Fiddle::Function.new(
  lib['lineAnswer'],
  [
    -Fiddle::TYPE_INT,  # hCall : DWORD
    Fiddle::TYPE_VOIDP,  # lpsUserUserInfo : LPCSTR
    -Fiddle::TYPE_INT,  # dwSize : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn lineAnswer(
        hCall: u32,  // DWORD
        lpsUserUserInfo: *const u8,  // LPCSTR
        dwSize: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int lineAnswer(uint hCall, [MarshalAs(UnmanagedType.LPStr)] string lpsUserUserInfo, uint dwSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineAnswer' -Namespace Win32 -PassThru
# $api::lineAnswer(hCall, lpsUserUserInfo, dwSize)

#uselib "TAPI32.dll"
#func global lineAnswer "lineAnswer" sptr, sptr, sptr
; lineAnswer hCall, lpsUserUserInfo, dwSize   ; 戻り値は stat
; hCall : DWORD -> "sptr"
; lpsUserUserInfo : LPCSTR -> "sptr"
; dwSize : 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 "TAPI32.dll"
#cfunc global lineAnswer "lineAnswer" int, str, int
; res = lineAnswer(hCall, lpsUserUserInfo, dwSize)
; hCall : DWORD -> "int"
; lpsUserUserInfo : LPCSTR -> "str"
; dwSize : DWORD -> "int"

; INT lineAnswer(DWORD hCall, LPCSTR lpsUserUserInfo, DWORD dwSize)
#uselib "TAPI32.dll"
#cfunc global lineAnswer "lineAnswer" int, str, int
; res = lineAnswer(hCall, lpsUserUserInfo, dwSize)
; hCall : DWORD -> "int"
; lpsUserUserInfo : LPCSTR -> "str"
; dwSize : DWORD -> "int"

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

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineAnswer = tapi32.NewProc("lineAnswer")
)

// hCall (DWORD), lpsUserUserInfo (LPCSTR), dwSize (DWORD)
r1, _, err := proclineAnswer.Call(
	uintptr(hCall),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpsUserUserInfo))),
	uintptr(dwSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineAnswer(
  hCall: DWORD;   // DWORD
  lpsUserUserInfo: PAnsiChar;   // LPCSTR
  dwSize: DWORD   // DWORD
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineAnswer';

result := DllCall("TAPI32\lineAnswer"
    , "UInt", hCall   ; DWORD
    , "AStr", lpsUserUserInfo   ; LPCSTR
    , "UInt", dwSize   ; DWORD
    , "Int")   ; return: INT

●lineAnswer(hCall, lpsUserUserInfo, dwSize) = DLL("TAPI32.dll", "int lineAnswer(dword, char*, dword)")
# 呼び出し: lineAnswer(hCall, lpsUserUserInfo, dwSize)
# hCall : DWORD -> "dword"
# lpsUserUserInfo : LPCSTR -> "char*"
# dwSize : 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)。