GetDeltaInfoA

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

BOOL GetDeltaInfoA(
    LPCSTR lpDeltaName,
    DELTA_HEADER_INFO* lpHeaderInfo
);

<DllImport("msdelta.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetDeltaInfoA(
    <MarshalAs(UnmanagedType.LPStr)> lpDeltaName As String,   ' LPCSTR
    lpHeaderInfo As IntPtr   ' DELTA_HEADER_INFO* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' lpDeltaName : LPCSTR
' lpHeaderInfo : DELTA_HEADER_INFO* out
Declare PtrSafe Function GetDeltaInfoA Lib "msdelta" ( _
    ByVal lpDeltaName As String, _
    ByVal lpHeaderInfo 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

GetDeltaInfoA = ctypes.windll.msdelta.GetDeltaInfoA
GetDeltaInfoA.restype = wintypes.BOOL
GetDeltaInfoA.argtypes = [
    wintypes.LPCSTR,  # lpDeltaName : LPCSTR
    ctypes.c_void_p,  # lpHeaderInfo : DELTA_HEADER_INFO* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdelta.dll')
GetDeltaInfoA = Fiddle::Function.new(
  lib['GetDeltaInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # lpDeltaName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpHeaderInfo : DELTA_HEADER_INFO* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdelta")]
extern "system" {
    fn GetDeltaInfoA(
        lpDeltaName: *const u8,  // LPCSTR
        lpHeaderInfo: *mut DELTA_HEADER_INFO  // DELTA_HEADER_INFO* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("msdelta.dll", CharSet = CharSet.Ansi)]
public static extern bool GetDeltaInfoA([MarshalAs(UnmanagedType.LPStr)] string lpDeltaName, IntPtr lpHeaderInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdelta_GetDeltaInfoA' -Namespace Win32 -PassThru
# $api::GetDeltaInfoA(lpDeltaName, lpHeaderInfo)

#uselib "msdelta.dll"
#func global GetDeltaInfoA "GetDeltaInfoA" sptr, sptr
; GetDeltaInfoA lpDeltaName, varptr(lpHeaderInfo)   ; 戻り値は stat
; lpDeltaName : LPCSTR -> "sptr"
; lpHeaderInfo : DELTA_HEADER_INFO* 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。

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

var (
	msdelta = windows.NewLazySystemDLL("msdelta.dll")
	procGetDeltaInfoA = msdelta.NewProc("GetDeltaInfoA")
)

// lpDeltaName (LPCSTR), lpHeaderInfo (DELTA_HEADER_INFO* out)
r1, _, err := procGetDeltaInfoA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpDeltaName))),
	uintptr(lpHeaderInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetDeltaInfoA(
  lpDeltaName: PAnsiChar;   // LPCSTR
  lpHeaderInfo: Pointer   // DELTA_HEADER_INFO* out
): BOOL; stdcall;
  external 'msdelta.dll' name 'GetDeltaInfoA';

result := DllCall("msdelta\GetDeltaInfoA"
    , "AStr", lpDeltaName   ; LPCSTR
    , "Ptr", lpHeaderInfo   ; DELTA_HEADER_INFO* out
    , "Int")   ; return: BOOL

●GetDeltaInfoA(lpDeltaName, lpHeaderInfo) = DLL("msdelta.dll", "bool GetDeltaInfoA(char*, void*)")
# 呼び出し: GetDeltaInfoA(lpDeltaName, lpHeaderInfo)
# lpDeltaName : LPCSTR -> "char*"
# lpHeaderInfo : DELTA_HEADER_INFO* 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)。

const std = @import("std");

extern "msdelta" fn GetDeltaInfoA(
    lpDeltaName: [*c]const u8, // LPCSTR
    lpHeaderInfo: [*c]DELTA_HEADER_INFO // DELTA_HEADER_INFO* out
) callconv(std.os.windows.WINAPI) i32;

proc GetDeltaInfoA(
    lpDeltaName: cstring,  # LPCSTR
    lpHeaderInfo: ptr DELTA_HEADER_INFO  # DELTA_HEADER_INFO* out
): int32 {.importc: "GetDeltaInfoA", stdcall, dynlib: "msdelta.dll".}

pragma(lib, "msdelta");
extern(Windows)
int GetDeltaInfoA(
    const(char)* lpDeltaName,   // LPCSTR
    DELTA_HEADER_INFO* lpHeaderInfo   // DELTA_HEADER_INFO* out
);

ccall((:GetDeltaInfoA, "msdelta.dll"), stdcall, Int32,
      (Cstring, Ptr{DELTA_HEADER_INFO}),
      lpDeltaName, lpHeaderInfo)
# lpDeltaName : LPCSTR -> Cstring
# lpHeaderInfo : DELTA_HEADER_INFO* out -> Ptr{DELTA_HEADER_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetDeltaInfoA(
    const char* lpDeltaName,
    void* lpHeaderInfo);
]]
local msdelta = ffi.load("msdelta")
-- msdelta.GetDeltaInfoA(lpDeltaName, lpHeaderInfo)
-- lpDeltaName : LPCSTR
-- lpHeaderInfo : DELTA_HEADER_INFO* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('msdelta.dll');
const GetDeltaInfoA = lib.func('__stdcall', 'GetDeltaInfoA', 'int32_t', ['str', 'void *']);
// GetDeltaInfoA(lpDeltaName, lpHeaderInfo)
// lpDeltaName : LPCSTR -> 'str'
// lpHeaderInfo : DELTA_HEADER_INFO* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("msdelta.dll", {
  GetDeltaInfoA: { parameters: ["buffer", "pointer"], result: "i32" },
});
// lib.symbols.GetDeltaInfoA(lpDeltaName, lpHeaderInfo)
// lpDeltaName : LPCSTR -> "buffer"
// lpHeaderInfo : DELTA_HEADER_INFO* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GetDeltaInfoA(
    const char* lpDeltaName,
    void* lpHeaderInfo);
C, "msdelta.dll");
// $ffi->GetDeltaInfoA(lpDeltaName, lpHeaderInfo);
// lpDeltaName : LPCSTR
// lpHeaderInfo : DELTA_HEADER_INFO* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Msdelta extends StdCallLibrary {
    Msdelta INSTANCE = Native.load("msdelta", Msdelta.class, W32APIOptions.ASCII_OPTIONS);
    boolean GetDeltaInfoA(
        String lpDeltaName,   // LPCSTR
        Pointer lpHeaderInfo   // DELTA_HEADER_INFO* out
    );
}

@[Link("msdelta")]
lib Libmsdelta
  fun GetDeltaInfoA = GetDeltaInfoA(
    lpDeltaName : UInt8*,   # LPCSTR
    lpHeaderInfo : DELTA_HEADER_INFO*   # DELTA_HEADER_INFO* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetDeltaInfoANative = Int32 Function(Pointer<Utf8>, Pointer<Void>);
typedef GetDeltaInfoADart = int Function(Pointer<Utf8>, Pointer<Void>);
final GetDeltaInfoA = DynamicLibrary.open('msdelta.dll')
    .lookupFunction<GetDeltaInfoANative, GetDeltaInfoADart>('GetDeltaInfoA');
// lpDeltaName : LPCSTR -> Pointer<Utf8>
// lpHeaderInfo : DELTA_HEADER_INFO* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetDeltaInfoA(
  lpDeltaName: PAnsiChar;   // LPCSTR
  lpHeaderInfo: Pointer   // DELTA_HEADER_INFO* out
): BOOL; stdcall;
  external 'msdelta.dll' name 'GetDeltaInfoA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetDeltaInfoA"
  c_GetDeltaInfoA :: CString -> Ptr () -> IO CInt
-- lpDeltaName : LPCSTR -> CString
-- lpHeaderInfo : DELTA_HEADER_INFO* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getdeltainfoa =
  foreign "GetDeltaInfoA"
    (string @-> (ptr void) @-> returning int32_t)
(* lpDeltaName : LPCSTR -> string *)
(* lpHeaderInfo : DELTA_HEADER_INFO* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library msdelta (t "msdelta.dll"))
(cffi:use-foreign-library msdelta)

(cffi:defcfun ("GetDeltaInfoA" get-delta-info-a :convention :stdcall) :int32
  (lp-delta-name :string)   ; LPCSTR
  (lp-header-info :pointer))   ; DELTA_HEADER_INFO* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetDeltaInfoA = Win32::API::More->new('msdelta',
    'BOOL GetDeltaInfoA(LPCSTR lpDeltaName, LPVOID lpHeaderInfo)');
# my $ret = $GetDeltaInfoA->Call($lpDeltaName, $lpHeaderInfo);
# lpDeltaName : LPCSTR -> LPCSTR
# lpHeaderInfo : DELTA_HEADER_INFO* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。