joyGetDevCapsW

// WINMM.dll  (Unicode / -W)
#include <windows.h>

DWORD joyGetDevCapsW(
    UINT_PTR uJoyID,
    JOYCAPSW* pjc,
    DWORD cbjc
);

<DllImport("WINMM.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function joyGetDevCapsW(
    uJoyID As UIntPtr,   ' UINT_PTR
    pjc As IntPtr,   ' JOYCAPSW* out
    cbjc As UInteger   ' DWORD
) As UInteger
End Function

' uJoyID : UINT_PTR
' pjc : JOYCAPSW* out
' cbjc : DWORD
Declare PtrSafe Function joyGetDevCapsW Lib "winmm" ( _
    ByVal uJoyID As LongPtr, _
    ByVal pjc As LongPtr, _
    ByVal cbjc As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

joyGetDevCapsW = ctypes.windll.winmm.joyGetDevCapsW
joyGetDevCapsW.restype = wintypes.DWORD
joyGetDevCapsW.argtypes = [
    ctypes.c_size_t,  # uJoyID : UINT_PTR
    ctypes.c_void_p,  # pjc : JOYCAPSW* out
    wintypes.DWORD,  # cbjc : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
joyGetDevCapsW = Fiddle::Function.new(
  lib['joyGetDevCapsW'],
  [
    Fiddle::TYPE_UINTPTR_T,  # uJoyID : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pjc : JOYCAPSW* out
    -Fiddle::TYPE_INT,  # cbjc : DWORD
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winmm")]
extern "system" {
    fn joyGetDevCapsW(
        uJoyID: usize,  // UINT_PTR
        pjc: *mut JOYCAPSW,  // JOYCAPSW* out
        cbjc: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Unicode)]
public static extern uint joyGetDevCapsW(UIntPtr uJoyID, IntPtr pjc, uint cbjc);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_joyGetDevCapsW' -Namespace Win32 -PassThru
# $api::joyGetDevCapsW(uJoyID, pjc, cbjc)

#uselib "WINMM.dll"
#func global joyGetDevCapsW "joyGetDevCapsW" wptr, wptr, wptr
; joyGetDevCapsW uJoyID, varptr(pjc), cbjc   ; 戻り値は stat
; uJoyID : UINT_PTR -> "wptr"
; pjc : JOYCAPSW* out -> "wptr"
; cbjc : DWORD -> "wptr"
; ※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 "WINMM.dll"
#cfunc global joyGetDevCapsW "joyGetDevCapsW" sptr, var, int
; res = joyGetDevCapsW(uJoyID, pjc, cbjc)
; uJoyID : UINT_PTR -> "sptr"
; pjc : JOYCAPSW* out -> "var"
; cbjc : DWORD -> "int"
; ※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 joyGetDevCapsW(UINT_PTR uJoyID, JOYCAPSW* pjc, DWORD cbjc)
#uselib "WINMM.dll"
#cfunc global joyGetDevCapsW "joyGetDevCapsW" intptr, var, int
; res = joyGetDevCapsW(uJoyID, pjc, cbjc)
; uJoyID : UINT_PTR -> "intptr"
; pjc : JOYCAPSW* out -> "var"
; cbjc : DWORD -> "int"
; ※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 (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procjoyGetDevCapsW = winmm.NewProc("joyGetDevCapsW")
)

// uJoyID (UINT_PTR), pjc (JOYCAPSW* out), cbjc (DWORD)
r1, _, err := procjoyGetDevCapsW.Call(
	uintptr(uJoyID),
	uintptr(pjc),
	uintptr(cbjc),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function joyGetDevCapsW(
  uJoyID: NativeUInt;   // UINT_PTR
  pjc: Pointer;   // JOYCAPSW* out
  cbjc: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'joyGetDevCapsW';

result := DllCall("WINMM\joyGetDevCapsW"
    , "UPtr", uJoyID   ; UINT_PTR
    , "Ptr", pjc   ; JOYCAPSW* out
    , "UInt", cbjc   ; DWORD
    , "UInt")   ; return: DWORD

●joyGetDevCapsW(uJoyID, pjc, cbjc) = DLL("WINMM.dll", "dword joyGetDevCapsW(int, void*, dword)")
# 呼び出し: joyGetDevCapsW(uJoyID, pjc, cbjc)
# uJoyID : UINT_PTR -> "int"
# pjc : JOYCAPSW* out -> "void*"
# cbjc : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。