alljoyn_aboutdata_getfield

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

QStatus alljoyn_aboutdata_getfield(
    alljoyn_aboutdata data,
    LPCSTR name,
    alljoyn_msgarg* value,
    LPCSTR language
);

<DllImport("MSAJApi.dll", ExactSpelling:=True)>
Public Shared Function alljoyn_aboutdata_getfield(
    data As IntPtr,   ' alljoyn_aboutdata
    <MarshalAs(UnmanagedType.LPStr)> name As String,   ' LPCSTR
    ByRef value As IntPtr,   ' alljoyn_msgarg* in/out
    <MarshalAs(UnmanagedType.LPStr)> language As String   ' LPCSTR
) As Integer
End Function

' data : alljoyn_aboutdata
' name : LPCSTR
' value : alljoyn_msgarg* in/out
' language : LPCSTR
Declare PtrSafe Function alljoyn_aboutdata_getfield Lib "msajapi" ( _
    ByVal data As LongPtr, _
    ByVal name As String, _
    ByRef value As LongPtr, _
    ByVal language As String) 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_aboutdata_getfield = ctypes.windll.msajapi.alljoyn_aboutdata_getfield
alljoyn_aboutdata_getfield.restype = ctypes.c_int
alljoyn_aboutdata_getfield.argtypes = [
    ctypes.c_ssize_t,  # data : alljoyn_aboutdata
    wintypes.LPCSTR,  # name : LPCSTR
    ctypes.c_void_p,  # value : alljoyn_msgarg* in/out
    wintypes.LPCSTR,  # language : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
alljoyn_aboutdata_getfield = Fiddle::Function.new(
  lib['alljoyn_aboutdata_getfield'],
  [
    Fiddle::TYPE_INTPTR_T,  # data : alljoyn_aboutdata
    Fiddle::TYPE_VOIDP,  # name : LPCSTR
    Fiddle::TYPE_VOIDP,  # value : alljoyn_msgarg* in/out
    Fiddle::TYPE_VOIDP,  # language : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "msajapi")]
extern "system" {
    fn alljoyn_aboutdata_getfield(
        data: isize,  // alljoyn_aboutdata
        name: *const u8,  // LPCSTR
        value: *mut isize,  // alljoyn_msgarg* in/out
        language: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll")]
public static extern int alljoyn_aboutdata_getfield(IntPtr data, [MarshalAs(UnmanagedType.LPStr)] string name, ref IntPtr value, [MarshalAs(UnmanagedType.LPStr)] string language);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_alljoyn_aboutdata_getfield' -Namespace Win32 -PassThru
# $api::alljoyn_aboutdata_getfield(data, name, value, language)

#uselib "MSAJApi.dll"
#func global alljoyn_aboutdata_getfield "alljoyn_aboutdata_getfield" sptr, sptr, sptr, sptr
; alljoyn_aboutdata_getfield data, name, value, language   ; 戻り値は stat
; data : alljoyn_aboutdata -> "sptr"
; name : LPCSTR -> "sptr"
; value : alljoyn_msgarg* in/out -> "sptr"
; language : LPCSTR -> "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_aboutdata_getfield "alljoyn_aboutdata_getfield" sptr, str, int, str
; res = alljoyn_aboutdata_getfield(data, name, value, language)
; data : alljoyn_aboutdata -> "sptr"
; name : LPCSTR -> "str"
; value : alljoyn_msgarg* in/out -> "int"
; language : LPCSTR -> "str"

; QStatus alljoyn_aboutdata_getfield(alljoyn_aboutdata data, LPCSTR name, alljoyn_msgarg* value, LPCSTR language)
#uselib "MSAJApi.dll"
#cfunc global alljoyn_aboutdata_getfield "alljoyn_aboutdata_getfield" intptr, str, int, str
; res = alljoyn_aboutdata_getfield(data, name, value, language)
; data : alljoyn_aboutdata -> "intptr"
; name : LPCSTR -> "str"
; value : alljoyn_msgarg* in/out -> "int"
; language : LPCSTR -> "str"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procalljoyn_aboutdata_getfield = msajapi.NewProc("alljoyn_aboutdata_getfield")
)

// data (alljoyn_aboutdata), name (LPCSTR), value (alljoyn_msgarg* in/out), language (LPCSTR)
r1, _, err := procalljoyn_aboutdata_getfield.Call(
	uintptr(data),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(name))),
	uintptr(value),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(language))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // QStatus

function alljoyn_aboutdata_getfield(
  data: NativeInt;   // alljoyn_aboutdata
  name: PAnsiChar;   // LPCSTR
  value: Pointer;   // alljoyn_msgarg* in/out
  language: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'MSAJApi.dll' name 'alljoyn_aboutdata_getfield';

result := DllCall("MSAJApi\alljoyn_aboutdata_getfield"
    , "Ptr", data   ; alljoyn_aboutdata
    , "AStr", name   ; LPCSTR
    , "Ptr", value   ; alljoyn_msgarg* in/out
    , "AStr", language   ; LPCSTR
    , "Int")   ; return: QStatus

●alljoyn_aboutdata_getfield(data, name, value, language) = DLL("MSAJApi.dll", "int alljoyn_aboutdata_getfield(int, char*, void*, char*)")
# 呼び出し: alljoyn_aboutdata_getfield(data, name, value, language)
# data : alljoyn_aboutdata -> "int"
# name : LPCSTR -> "char*"
# value : alljoyn_msgarg* in/out -> "void*"
# language : LPCSTR -> "char*"
# 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)。