mciSendStringA

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

DWORD mciSendStringA(
    LPCSTR lpstrCommand,
    LPSTR lpstrReturnString,   // optional
    DWORD uReturnLength,
    HWND hwndCallback   // optional
);

<DllImport("WINMM.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function mciSendStringA(
    <MarshalAs(UnmanagedType.LPStr)> lpstrCommand As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpstrReturnString As System.Text.StringBuilder,   ' LPSTR optional, out
    uReturnLength As UInteger,   ' DWORD
    hwndCallback As IntPtr   ' HWND optional
) As UInteger
End Function

' lpstrCommand : LPCSTR
' lpstrReturnString : LPSTR optional, out
' uReturnLength : DWORD
' hwndCallback : HWND optional
Declare PtrSafe Function mciSendStringA Lib "winmm" ( _
    ByVal lpstrCommand As String, _
    ByVal lpstrReturnString As String, _
    ByVal uReturnLength As Long, _
    ByVal hwndCallback 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

mciSendStringA = ctypes.windll.winmm.mciSendStringA
mciSendStringA.restype = wintypes.DWORD
mciSendStringA.argtypes = [
    wintypes.LPCSTR,  # lpstrCommand : LPCSTR
    wintypes.LPSTR,  # lpstrReturnString : LPSTR optional, out
    wintypes.DWORD,  # uReturnLength : DWORD
    wintypes.HANDLE,  # hwndCallback : HWND optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mciSendStringA = Fiddle::Function.new(
  lib['mciSendStringA'],
  [
    Fiddle::TYPE_VOIDP,  # lpstrCommand : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpstrReturnString : LPSTR optional, out
    -Fiddle::TYPE_INT,  # uReturnLength : DWORD
    Fiddle::TYPE_VOIDP,  # hwndCallback : HWND optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mciSendStringA(
        lpstrCommand: *const u8,  // LPCSTR
        lpstrReturnString: *mut u8,  // LPSTR optional, out
        uReturnLength: u32,  // DWORD
        hwndCallback: *mut core::ffi::c_void  // HWND optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Ansi)]
public static extern uint mciSendStringA([MarshalAs(UnmanagedType.LPStr)] string lpstrCommand, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpstrReturnString, uint uReturnLength, IntPtr hwndCallback);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mciSendStringA' -Namespace Win32 -PassThru
# $api::mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)

#uselib "WINMM.dll"
#func global mciSendStringA "mciSendStringA" sptr, sptr, sptr, sptr
; mciSendStringA lpstrCommand, varptr(lpstrReturnString), uReturnLength, hwndCallback   ; 戻り値は stat
; lpstrCommand : LPCSTR -> "sptr"
; lpstrReturnString : LPSTR optional, out -> "sptr"
; uReturnLength : DWORD -> "sptr"
; hwndCallback : HWND optional -> "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 (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmciSendStringA = winmm.NewProc("mciSendStringA")
)

// lpstrCommand (LPCSTR), lpstrReturnString (LPSTR optional, out), uReturnLength (DWORD), hwndCallback (HWND optional)
r1, _, err := procmciSendStringA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpstrCommand))),
	uintptr(lpstrReturnString),
	uintptr(uReturnLength),
	uintptr(hwndCallback),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mciSendStringA(
  lpstrCommand: PAnsiChar;   // LPCSTR
  lpstrReturnString: PAnsiChar;   // LPSTR optional, out
  uReturnLength: DWORD;   // DWORD
  hwndCallback: THandle   // HWND optional
): DWORD; stdcall;
  external 'WINMM.dll' name 'mciSendStringA';

result := DllCall("WINMM\mciSendStringA"
    , "AStr", lpstrCommand   ; LPCSTR
    , "Ptr", lpstrReturnString   ; LPSTR optional, out
    , "UInt", uReturnLength   ; DWORD
    , "Ptr", hwndCallback   ; HWND optional
    , "UInt")   ; return: DWORD

●mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback) = DLL("WINMM.dll", "dword mciSendStringA(char*, char*, dword, void*)")
# 呼び出し: mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)
# lpstrCommand : LPCSTR -> "char*"
# lpstrReturnString : LPSTR optional, out -> "char*"
# uReturnLength : DWORD -> "dword"
# hwndCallback : HWND optional -> "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 "winmm" fn mciSendStringA(
    lpstrCommand: [*c]const u8, // LPCSTR
    lpstrReturnString: [*c]u8, // LPSTR optional, out
    uReturnLength: u32, // DWORD
    hwndCallback: ?*anyopaque // HWND optional
) callconv(std.os.windows.WINAPI) u32;

proc mciSendStringA(
    lpstrCommand: cstring,  # LPCSTR
    lpstrReturnString: ptr char,  # LPSTR optional, out
    uReturnLength: uint32,  # DWORD
    hwndCallback: pointer  # HWND optional
): uint32 {.importc: "mciSendStringA", stdcall, dynlib: "WINMM.dll".}

pragma(lib, "winmm");
extern(Windows)
uint mciSendStringA(
    const(char)* lpstrCommand,   // LPCSTR
    char* lpstrReturnString,   // LPSTR optional, out
    uint uReturnLength,   // DWORD
    void* hwndCallback   // HWND optional
);

ccall((:mciSendStringA, "WINMM.dll"), stdcall, UInt32,
      (Cstring, Ptr{UInt8}, UInt32, Ptr{Cvoid}),
      lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)
# lpstrCommand : LPCSTR -> Cstring
# lpstrReturnString : LPSTR optional, out -> Ptr{UInt8}
# uReturnLength : DWORD -> UInt32
# hwndCallback : HWND optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t mciSendStringA(
    const char* lpstrCommand,
    char* lpstrReturnString,
    uint32_t uReturnLength,
    void* hwndCallback);
]]
local winmm = ffi.load("winmm")
-- winmm.mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)
-- lpstrCommand : LPCSTR
-- lpstrReturnString : LPSTR optional, out
-- uReturnLength : DWORD
-- hwndCallback : HWND optional
-- 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('WINMM.dll');
const mciSendStringA = lib.func('__stdcall', 'mciSendStringA', 'uint32_t', ['str', 'char *', 'uint32_t', 'void *']);
// mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)
// lpstrCommand : LPCSTR -> 'str'
// lpstrReturnString : LPSTR optional, out -> 'char *'
// uReturnLength : DWORD -> 'uint32_t'
// hwndCallback : HWND optional -> '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("WINMM.dll", {
  mciSendStringA: { parameters: ["buffer", "buffer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback)
// lpstrCommand : LPCSTR -> "buffer"
// lpstrReturnString : LPSTR optional, out -> "buffer"
// uReturnLength : DWORD -> "u32"
// hwndCallback : HWND optional -> "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
uint32_t mciSendStringA(
    const char* lpstrCommand,
    char* lpstrReturnString,
    uint32_t uReturnLength,
    void* hwndCallback);
C, "WINMM.dll");
// $ffi->mciSendStringA(lpstrCommand, lpstrReturnString, uReturnLength, hwndCallback);
// lpstrCommand : LPCSTR
// lpstrReturnString : LPSTR optional, out
// uReturnLength : DWORD
// hwndCallback : HWND optional
// 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 Winmm extends StdCallLibrary {
    Winmm INSTANCE = Native.load("winmm", Winmm.class, W32APIOptions.ASCII_OPTIONS);
    int mciSendStringA(
        String lpstrCommand,   // LPCSTR
        byte[] lpstrReturnString,   // LPSTR optional, out
        int uReturnLength,   // DWORD
        Pointer hwndCallback   // HWND optional
    );
}

@[Link("winmm")]
lib LibWINMM
  fun mciSendStringA = mciSendStringA(
    lpstrCommand : UInt8*,   # LPCSTR
    lpstrReturnString : UInt8*,   # LPSTR optional, out
    uReturnLength : UInt32,   # DWORD
    hwndCallback : Void*   # HWND optional
  ) : UInt32
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 mciSendStringANative = Uint32 Function(Pointer<Utf8>, Pointer<Utf8>, Uint32, Pointer<Void>);
typedef mciSendStringADart = int Function(Pointer<Utf8>, Pointer<Utf8>, int, Pointer<Void>);
final mciSendStringA = DynamicLibrary.open('WINMM.dll')
    .lookupFunction<mciSendStringANative, mciSendStringADart>('mciSendStringA');
// lpstrCommand : LPCSTR -> Pointer<Utf8>
// lpstrReturnString : LPSTR optional, out -> Pointer<Utf8>
// uReturnLength : DWORD -> Uint32
// hwndCallback : HWND optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function mciSendStringA(
  lpstrCommand: PAnsiChar;   // LPCSTR
  lpstrReturnString: PAnsiChar;   // LPSTR optional, out
  uReturnLength: DWORD;   // DWORD
  hwndCallback: THandle   // HWND optional
): DWORD; stdcall;
  external 'WINMM.dll' name 'mciSendStringA';

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

foreign import stdcall safe "mciSendStringA"
  c_mciSendStringA :: CString -> CString -> Word32 -> Ptr () -> IO Word32
-- lpstrCommand : LPCSTR -> CString
-- lpstrReturnString : LPSTR optional, out -> CString
-- uReturnLength : DWORD -> Word32
-- hwndCallback : HWND optional -> 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 mcisendstringa =
  foreign "mciSendStringA"
    (string @-> string @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* lpstrCommand : LPCSTR -> string *)
(* lpstrReturnString : LPSTR optional, out -> string *)
(* uReturnLength : DWORD -> uint32_t *)
(* hwndCallback : HWND optional -> (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 winmm (t "WINMM.dll"))
(cffi:use-foreign-library winmm)

(cffi:defcfun ("mciSendStringA" mci-send-string-a :convention :stdcall) :uint32
  (lpstr-command :string)   ; LPCSTR
  (lpstr-return-string :pointer)   ; LPSTR optional, out
  (u-return-length :uint32)   ; DWORD
  (hwnd-callback :pointer))   ; HWND optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $mciSendStringA = Win32::API::More->new('WINMM',
    'DWORD mciSendStringA(LPCSTR lpstrCommand, LPSTR lpstrReturnString, DWORD uReturnLength, HANDLE hwndCallback)');
# my $ret = $mciSendStringA->Call($lpstrCommand, $lpstrReturnString, $uReturnLength, $hwndCallback);
# lpstrCommand : LPCSTR -> LPCSTR
# lpstrReturnString : LPSTR optional, out -> LPSTR
# uReturnLength : DWORD -> DWORD
# hwndCallback : HWND optional -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。