DdeGetLastError

// USER32.dll
#include <windows.h>

DWORD DdeGetLastError(
    DWORD idInst
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function DdeGetLastError(
    idInst As UInteger   ' DWORD
) As UInteger
End Function

' idInst : DWORD
Declare PtrSafe Function DdeGetLastError Lib "user32" ( _
    ByVal idInst 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

DdeGetLastError = ctypes.windll.user32.DdeGetLastError
DdeGetLastError.restype = wintypes.DWORD
DdeGetLastError.argtypes = [
    wintypes.DWORD,  # idInst : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
DdeGetLastError = Fiddle::Function.new(
  lib['DdeGetLastError'],
  [
    -Fiddle::TYPE_INT,  # idInst : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn DdeGetLastError(
        idInst: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern uint DdeGetLastError(uint idInst);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_DdeGetLastError' -Namespace Win32 -PassThru
# $api::DdeGetLastError(idInst)

#uselib "USER32.dll"
#func global DdeGetLastError "DdeGetLastError" sptr
; DdeGetLastError idInst   ; 戻り値は stat
; idInst : 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 "USER32.dll"
#cfunc global DdeGetLastError "DdeGetLastError" int
; res = DdeGetLastError(idInst)
; idInst : DWORD -> "int"

; DWORD DdeGetLastError(DWORD idInst)
#uselib "USER32.dll"
#cfunc global DdeGetLastError "DdeGetLastError" int
; res = DdeGetLastError(idInst)
; idInst : DWORD -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procDdeGetLastError = user32.NewProc("DdeGetLastError")
)

// idInst (DWORD)
r1, _, err := procDdeGetLastError.Call(
	uintptr(idInst),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DdeGetLastError(
  idInst: DWORD   // DWORD
): DWORD; stdcall;
  external 'USER32.dll' name 'DdeGetLastError';

result := DllCall("USER32\DdeGetLastError"
    , "UInt", idInst   ; DWORD
    , "UInt")   ; return: DWORD

●DdeGetLastError(idInst) = DLL("USER32.dll", "dword DdeGetLastError(dword)")
# 呼び出し: DdeGetLastError(idInst)
# idInst : 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)。