alljoyn_msgarg_get_variant_array

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

QStatus alljoyn_msgarg_get_variant_array(
    alljoyn_msgarg arg,
    LPCSTR signature,
    UINT_PTR* length,
    alljoyn_msgarg* av
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_msgarg_get_variant_array(
    arg As IntPtr,   ' alljoyn_msgarg
    <MarshalAs(UnmanagedType.LPStr)> signature As String,   ' LPCSTR
    ByRef length As UIntPtr,   ' UINT_PTR* in/out
    ByRef av As IntPtr   ' alljoyn_msgarg* in/out
) As Integer
End Function

' arg : alljoyn_msgarg
' signature : LPCSTR
' length : UINT_PTR* in/out
' av : alljoyn_msgarg* in/out
Declare PtrSafe Function alljoyn_msgarg_get_variant_array Lib "msajapi" ( _
    ByVal arg As LongPtr, _
    ByVal signature As String, _
    ByRef length As LongPtr, _
    ByRef av 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

alljoyn_msgarg_get_variant_array = ctypes.windll.msajapi.alljoyn_msgarg_get_variant_array
alljoyn_msgarg_get_variant_array.restype = ctypes.c_int
alljoyn_msgarg_get_variant_array.argtypes = [
    ctypes.c_ssize_t,  # arg : alljoyn_msgarg
    wintypes.LPCSTR,  # signature : LPCSTR
    ctypes.POINTER(ctypes.c_size_t),  # length : UINT_PTR* in/out
    ctypes.c_void_p,  # av : alljoyn_msgarg* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_msgarg_get_variant_array = Fiddle::Function.new(
  lib['alljoyn_msgarg_get_variant_array'],
  [
    Fiddle::TYPE_INTPTR_T,  # arg : alljoyn_msgarg
    Fiddle::TYPE_VOIDP,  # signature : LPCSTR
    Fiddle::TYPE_VOIDP,  # length : UINT_PTR* in/out
    Fiddle::TYPE_VOIDP,  # av : alljoyn_msgarg* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_msgarg_get_variant_array(
        arg: isize,  // alljoyn_msgarg
        signature: *const u8,  // LPCSTR
        length: *mut usize,  // UINT_PTR* in/out
        av: *mut isize  // alljoyn_msgarg* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_msgarg_get_variant_array(IntPtr arg, [MarshalAs(UnmanagedType.LPStr)] string signature, ref UIntPtr length, ref IntPtr av);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_msgarg_get_variant_array' -Namespace Win32 -PassThru
# $api::alljoyn_msgarg_get_variant_array(arg, signature, length, av)

#uselib "MSAJApi.dll"
#func global alljoyn_msgarg_get_variant_array "alljoyn_msgarg_get_variant_array" sptr, sptr, sptr, sptr
; alljoyn_msgarg_get_variant_array arg, signature, varptr(length), av   ; 戻り値は stat
; arg : alljoyn_msgarg -> "sptr"
; signature : LPCSTR -> "sptr"
; length : UINT_PTR* in/out -> "sptr"
; av : alljoyn_msgarg* 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 "MSAJApi.dll"
#cfunc global alljoyn_msgarg_get_variant_array "alljoyn_msgarg_get_variant_array" sptr, str, var, int
; res = alljoyn_msgarg_get_variant_array(arg, signature, length, av)
; arg : alljoyn_msgarg -> "sptr"
; signature : LPCSTR -> "str"
; length : UINT_PTR* in/out -> "var"
; av : alljoyn_msgarg* in/out -> "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。

; QStatus alljoyn_msgarg_get_variant_array(alljoyn_msgarg arg, LPCSTR signature, UINT_PTR* length, alljoyn_msgarg* av)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_msgarg_get_variant_array "alljoyn_msgarg_get_variant_array" intptr, str, var, int
; res = alljoyn_msgarg_get_variant_array(arg, signature, length, av)
; arg : alljoyn_msgarg -> "intptr"
; signature : LPCSTR -> "str"
; length : UINT_PTR* in/out -> "var"
; av : alljoyn_msgarg* in/out -> "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 (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_msgarg_get_variant_array = msajapi.NewProc("alljoyn_msgarg_get_variant_array")
)

// arg (alljoyn_msgarg), signature (LPCSTR), length (UINT_PTR* in/out), av (alljoyn_msgarg* in/out)
r1, _, err := procalljoyn_msgarg_get_variant_array.Call(
	uintptr(arg),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(signature))),
	uintptr(length),
	uintptr(av),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus

function alljoyn_msgarg_get_variant_array(
  arg: NativeInt;   // alljoyn_msgarg
  signature: PAnsiChar;   // LPCSTR
  length: Pointer;   // UINT_PTR* in/out
  av: Pointer   // alljoyn_msgarg* in/out
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_msgarg_get_variant_array';

result := DllCall("MSAJApi\alljoyn_msgarg_get_variant_array"
    , "Ptr", arg   ; alljoyn_msgarg
    , "AStr", signature   ; LPCSTR
    , "Ptr", length   ; UINT_PTR* in/out
    , "Ptr", av   ; alljoyn_msgarg* in/out
    , "Int")   ; return: QStatus

●alljoyn_msgarg_get_variant_array(arg, signature, length, av) = DLL("MSAJApi.dll", "int alljoyn_msgarg_get_variant_array(int, char*, void*, void*)")
# 呼び出し: alljoyn_msgarg_get_variant_array(arg, signature, length, av)
# arg : alljoyn_msgarg -> "int"
# signature : LPCSTR -> "char*"
# length : UINT_PTR* in/out -> "void*"
# av : alljoyn_msgarg* 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)。