DceErrorInqTextA

// RPCRT4.dll  (ANSI / -A)
#include <windows.h>

RPC_STATUS DceErrorInqTextA(
    RPC_STATUS RpcStatus,
    LPSTR ErrorText
);

<DllImport("RPCRT4.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DceErrorInqTextA(
    RpcStatus As Integer,   ' RPC_STATUS
    <MarshalAs(UnmanagedType.LPStr)> ErrorText As System.Text.StringBuilder   ' LPSTR out
) As Integer
End Function

' RpcStatus : RPC_STATUS
' ErrorText : LPSTR out
Declare PtrSafe Function DceErrorInqTextA Lib "rpcrt4" ( _
    ByVal RpcStatus As Long, _
    ByVal ErrorText 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

DceErrorInqTextA = ctypes.windll.rpcrt4.DceErrorInqTextA
DceErrorInqTextA.restype = ctypes.c_int
DceErrorInqTextA.argtypes = [
    ctypes.c_int,  # RpcStatus : RPC_STATUS
    wintypes.LPSTR,  # ErrorText : LPSTR out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
DceErrorInqTextA = Fiddle::Function.new(
  lib['DceErrorInqTextA'],
  [
    Fiddle::TYPE_INT,  # RpcStatus : RPC_STATUS
    Fiddle::TYPE_VOIDP,  # ErrorText : LPSTR out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn DceErrorInqTextA(
        RpcStatus: i32,  // RPC_STATUS
        ErrorText: *mut u8  // LPSTR out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll", CharSet = CharSet.Ansi)]
public static extern int DceErrorInqTextA(int RpcStatus, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder ErrorText);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_DceErrorInqTextA' -Namespace Win32 -PassThru
# $api::DceErrorInqTextA(RpcStatus, ErrorText)

#uselib "RPCRT4.dll"
#func global DceErrorInqTextA "DceErrorInqTextA" sptr, sptr
; DceErrorInqTextA RpcStatus, varptr(ErrorText)   ; 戻り値は stat
; RpcStatus : RPC_STATUS -> "sptr"
; ErrorText : LPSTR 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 "RPCRT4.dll"
#cfunc global DceErrorInqTextA "DceErrorInqTextA" int, var
; res = DceErrorInqTextA(RpcStatus, ErrorText)
; RpcStatus : RPC_STATUS -> "int"
; ErrorText : LPSTR 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。

; RPC_STATUS DceErrorInqTextA(RPC_STATUS RpcStatus, LPSTR ErrorText)
#uselib "RPCRT4.dll"
#cfunc global DceErrorInqTextA "DceErrorInqTextA" int, var
; res = DceErrorInqTextA(RpcStatus, ErrorText)
; RpcStatus : RPC_STATUS -> "int"
; ErrorText : LPSTR 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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procDceErrorInqTextA = rpcrt4.NewProc("DceErrorInqTextA")
)

// RpcStatus (RPC_STATUS), ErrorText (LPSTR out)
r1, _, err := procDceErrorInqTextA.Call(
	uintptr(RpcStatus),
	uintptr(ErrorText),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function DceErrorInqTextA(
  RpcStatus: Integer;   // RPC_STATUS
  ErrorText: PAnsiChar   // LPSTR out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'DceErrorInqTextA';

result := DllCall("RPCRT4\DceErrorInqTextA"
    , "Int", RpcStatus   ; RPC_STATUS
    , "Ptr", ErrorText   ; LPSTR out
    , "Int")   ; return: RPC_STATUS

●DceErrorInqTextA(RpcStatus, ErrorText) = DLL("RPCRT4.dll", "int DceErrorInqTextA(int, char*)")
# 呼び出し: DceErrorInqTextA(RpcStatus, ErrorText)
# RpcStatus : RPC_STATUS -> "int"
# ErrorText : LPSTR out -> "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)。