RtmGetEnumDests

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

DWORD RtmGetEnumDests(
    INT_PTR RtmRegHandle,
    INT_PTR EnumHandle,
    DWORD* NumDests,
    RTM_DEST_INFO* DestInfos
);

<DllImport("rtm.dll", ExactSpelling:=True)>
Public Shared Function RtmGetEnumDests(
    RtmRegHandle As IntPtr,   ' INT_PTR
    EnumHandle As IntPtr,   ' INT_PTR
    ByRef NumDests As UInteger,   ' DWORD* in/out
    DestInfos As IntPtr   ' RTM_DEST_INFO* in/out
) As UInteger
End Function

' RtmRegHandle : INT_PTR
' EnumHandle : INT_PTR
' NumDests : DWORD* in/out
' DestInfos : RTM_DEST_INFO* in/out
Declare PtrSafe Function RtmGetEnumDests Lib "rtm" ( _
    ByVal RtmRegHandle As LongPtr, _
    ByVal EnumHandle As LongPtr, _
    ByRef NumDests As Long, _
    ByVal DestInfos 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

RtmGetEnumDests = ctypes.windll.rtm.RtmGetEnumDests
RtmGetEnumDests.restype = wintypes.DWORD
RtmGetEnumDests.argtypes = [
    ctypes.c_ssize_t,  # RtmRegHandle : INT_PTR
    ctypes.c_ssize_t,  # EnumHandle : INT_PTR
    ctypes.POINTER(wintypes.DWORD),  # NumDests : DWORD* in/out
    ctypes.c_void_p,  # DestInfos : RTM_DEST_INFO* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('rtm.dll')
RtmGetEnumDests = Fiddle::Function.new(
  lib['RtmGetEnumDests'],
  [
    Fiddle::TYPE_INTPTR_T,  # RtmRegHandle : INT_PTR
    Fiddle::TYPE_INTPTR_T,  # EnumHandle : INT_PTR
    Fiddle::TYPE_VOIDP,  # NumDests : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # DestInfos : RTM_DEST_INFO* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "rtm")]
extern "system" {
    fn RtmGetEnumDests(
        RtmRegHandle: isize,  // INT_PTR
        EnumHandle: isize,  // INT_PTR
        NumDests: *mut u32,  // DWORD* in/out
        DestInfos: *mut RTM_DEST_INFO  // RTM_DEST_INFO* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("rtm.dll")]
public static extern uint RtmGetEnumDests(IntPtr RtmRegHandle, IntPtr EnumHandle, ref uint NumDests, IntPtr DestInfos);
"@
$api = Add-Type -MemberDefinition $sig -Name 'rtm_RtmGetEnumDests' -Namespace Win32 -PassThru
# $api::RtmGetEnumDests(RtmRegHandle, EnumHandle, NumDests, DestInfos)

#uselib "rtm.dll"
#func global RtmGetEnumDests "RtmGetEnumDests" sptr, sptr, sptr, sptr
; RtmGetEnumDests RtmRegHandle, EnumHandle, varptr(NumDests), varptr(DestInfos)   ; 戻り値は stat
; RtmRegHandle : INT_PTR -> "sptr"
; EnumHandle : INT_PTR -> "sptr"
; NumDests : DWORD* in/out -> "sptr"
; DestInfos : RTM_DEST_INFO* 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 "rtm.dll"
#cfunc global RtmGetEnumDests "RtmGetEnumDests" sptr, sptr, var, var
; res = RtmGetEnumDests(RtmRegHandle, EnumHandle, NumDests, DestInfos)
; RtmRegHandle : INT_PTR -> "sptr"
; EnumHandle : INT_PTR -> "sptr"
; NumDests : DWORD* in/out -> "var"
; DestInfos : RTM_DEST_INFO* 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。

; DWORD RtmGetEnumDests(INT_PTR RtmRegHandle, INT_PTR EnumHandle, DWORD* NumDests, RTM_DEST_INFO* DestInfos)
#uselib "rtm.dll"
#cfunc global RtmGetEnumDests "RtmGetEnumDests" intptr, intptr, var, var
; res = RtmGetEnumDests(RtmRegHandle, EnumHandle, NumDests, DestInfos)
; RtmRegHandle : INT_PTR -> "intptr"
; EnumHandle : INT_PTR -> "intptr"
; NumDests : DWORD* in/out -> "var"
; DestInfos : RTM_DEST_INFO* 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 (
	rtm = windows.NewLazySystemDLL("rtm.dll")
	procRtmGetEnumDests = rtm.NewProc("RtmGetEnumDests")
)

// RtmRegHandle (INT_PTR), EnumHandle (INT_PTR), NumDests (DWORD* in/out), DestInfos (RTM_DEST_INFO* in/out)
r1, _, err := procRtmGetEnumDests.Call(
	uintptr(RtmRegHandle),
	uintptr(EnumHandle),
	uintptr(NumDests),
	uintptr(DestInfos),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RtmGetEnumDests(
  RtmRegHandle: NativeInt;   // INT_PTR
  EnumHandle: NativeInt;   // INT_PTR
  NumDests: Pointer;   // DWORD* in/out
  DestInfos: Pointer   // RTM_DEST_INFO* in/out
): DWORD; stdcall;
  external 'rtm.dll' name 'RtmGetEnumDests';

result := DllCall("rtm\RtmGetEnumDests"
    , "Ptr", RtmRegHandle   ; INT_PTR
    , "Ptr", EnumHandle   ; INT_PTR
    , "Ptr", NumDests   ; DWORD* in/out
    , "Ptr", DestInfos   ; RTM_DEST_INFO* in/out
    , "UInt")   ; return: DWORD

●RtmGetEnumDests(RtmRegHandle, EnumHandle, NumDests, DestInfos) = DLL("rtm.dll", "dword RtmGetEnumDests(int, int, void*, void*)")
# 呼び出し: RtmGetEnumDests(RtmRegHandle, EnumHandle, NumDests, DestInfos)
# RtmRegHandle : INT_PTR -> "int"
# EnumHandle : INT_PTR -> "int"
# NumDests : DWORD* in/out -> "void*"
# DestInfos : RTM_DEST_INFO* 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)。