lineSetupConferenceA

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

INT lineSetupConferenceA(
    DWORD hCall,
    DWORD hLine,
    DWORD* lphConfCall,
    DWORD* lphConsultCall,
    DWORD dwNumParties,
    const LINECALLPARAMS* lpCallParams
);

<DllImport("TAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function lineSetupConferenceA(
    hCall As UInteger,   ' DWORD
    hLine As UInteger,   ' DWORD
    ByRef lphConfCall As UInteger,   ' DWORD* in/out
    ByRef lphConsultCall As UInteger,   ' DWORD* in/out
    dwNumParties As UInteger,   ' DWORD
    lpCallParams As IntPtr   ' LINECALLPARAMS*
) As Integer
End Function

' hCall : DWORD
' hLine : DWORD
' lphConfCall : DWORD* in/out
' lphConsultCall : DWORD* in/out
' dwNumParties : DWORD
' lpCallParams : LINECALLPARAMS*
Declare PtrSafe Function lineSetupConferenceA Lib "tapi32" ( _
    ByVal hCall As Long, _
    ByVal hLine As Long, _
    ByRef lphConfCall As Long, _
    ByRef lphConsultCall As Long, _
    ByVal dwNumParties As Long, _
    ByVal lpCallParams 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

lineSetupConferenceA = ctypes.windll.tapi32.lineSetupConferenceA
lineSetupConferenceA.restype = ctypes.c_int
lineSetupConferenceA.argtypes = [
    wintypes.DWORD,  # hCall : DWORD
    wintypes.DWORD,  # hLine : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lphConfCall : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lphConsultCall : DWORD* in/out
    wintypes.DWORD,  # dwNumParties : DWORD
    ctypes.c_void_p,  # lpCallParams : LINECALLPARAMS*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineSetupConferenceA = Fiddle::Function.new(
  lib['lineSetupConferenceA'],
  [
    -Fiddle::TYPE_INT,  # hCall : DWORD
    -Fiddle::TYPE_INT,  # hLine : DWORD
    Fiddle::TYPE_VOIDP,  # lphConfCall : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lphConsultCall : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwNumParties : DWORD
    Fiddle::TYPE_VOIDP,  # lpCallParams : LINECALLPARAMS*
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn lineSetupConferenceA(
        hCall: u32,  // DWORD
        hLine: u32,  // DWORD
        lphConfCall: *mut u32,  // DWORD* in/out
        lphConsultCall: *mut u32,  // DWORD* in/out
        dwNumParties: u32,  // DWORD
        lpCallParams: *const LINECALLPARAMS  // LINECALLPARAMS*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Ansi)]
public static extern int lineSetupConferenceA(uint hCall, uint hLine, ref uint lphConfCall, ref uint lphConsultCall, uint dwNumParties, IntPtr lpCallParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineSetupConferenceA' -Namespace Win32 -PassThru
# $api::lineSetupConferenceA(hCall, hLine, lphConfCall, lphConsultCall, dwNumParties, lpCallParams)

#uselib "TAPI32.dll"
#func global lineSetupConferenceA "lineSetupConferenceA" sptr, sptr, sptr, sptr, sptr, sptr
; lineSetupConferenceA hCall, hLine, varptr(lphConfCall), varptr(lphConsultCall), dwNumParties, varptr(lpCallParams)   ; 戻り値は stat
; hCall : DWORD -> "sptr"
; hLine : DWORD -> "sptr"
; lphConfCall : DWORD* in/out -> "sptr"
; lphConsultCall : DWORD* in/out -> "sptr"
; dwNumParties : DWORD -> "sptr"
; lpCallParams : LINECALLPARAMS* -> "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 lineSetupConferenceA "lineSetupConferenceA" int, int, var, var, int, var
; res = lineSetupConferenceA(hCall, hLine, lphConfCall, lphConsultCall, dwNumParties, lpCallParams)
; hCall : DWORD -> "int"
; hLine : DWORD -> "int"
; lphConfCall : DWORD* in/out -> "var"
; lphConsultCall : DWORD* in/out -> "var"
; dwNumParties : DWORD -> "int"
; lpCallParams : LINECALLPARAMS* -> "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 lineSetupConferenceA(DWORD hCall, DWORD hLine, DWORD* lphConfCall, DWORD* lphConsultCall, DWORD dwNumParties, LINECALLPARAMS* lpCallParams)
#uselib "TAPI32.dll"
#cfunc global lineSetupConferenceA "lineSetupConferenceA" int, int, var, var, int, var
; res = lineSetupConferenceA(hCall, hLine, lphConfCall, lphConsultCall, dwNumParties, lpCallParams)
; hCall : DWORD -> "int"
; hLine : DWORD -> "int"
; lphConfCall : DWORD* in/out -> "var"
; lphConsultCall : DWORD* in/out -> "var"
; dwNumParties : DWORD -> "int"
; lpCallParams : LINECALLPARAMS* -> "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")
	proclineSetupConferenceA = tapi32.NewProc("lineSetupConferenceA")
)

// hCall (DWORD), hLine (DWORD), lphConfCall (DWORD* in/out), lphConsultCall (DWORD* in/out), dwNumParties (DWORD), lpCallParams (LINECALLPARAMS*)
r1, _, err := proclineSetupConferenceA.Call(
	uintptr(hCall),
	uintptr(hLine),
	uintptr(lphConfCall),
	uintptr(lphConsultCall),
	uintptr(dwNumParties),
	uintptr(lpCallParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineSetupConferenceA(
  hCall: DWORD;   // DWORD
  hLine: DWORD;   // DWORD
  lphConfCall: Pointer;   // DWORD* in/out
  lphConsultCall: Pointer;   // DWORD* in/out
  dwNumParties: DWORD;   // DWORD
  lpCallParams: Pointer   // LINECALLPARAMS*
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineSetupConferenceA';

result := DllCall("TAPI32\lineSetupConferenceA"
    , "UInt", hCall   ; DWORD
    , "UInt", hLine   ; DWORD
    , "Ptr", lphConfCall   ; DWORD* in/out
    , "Ptr", lphConsultCall   ; DWORD* in/out
    , "UInt", dwNumParties   ; DWORD
    , "Ptr", lpCallParams   ; LINECALLPARAMS*
    , "Int")   ; return: INT

●lineSetupConferenceA(hCall, hLine, lphConfCall, lphConsultCall, dwNumParties, lpCallParams) = DLL("TAPI32.dll", "int lineSetupConferenceA(dword, dword, void*, void*, dword, void*)")
# 呼び出し: lineSetupConferenceA(hCall, hLine, lphConfCall, lphConsultCall, dwNumParties, lpCallParams)
# hCall : DWORD -> "dword"
# hLine : DWORD -> "dword"
# lphConfCall : DWORD* in/out -> "void*"
# lphConsultCall : DWORD* in/out -> "void*"
# dwNumParties : DWORD -> "dword"
# lpCallParams : LINECALLPARAMS* -> "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)。