ucurr_register

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

void* ucurr_register(
    const WORD* isoCode,
    LPCSTR locale,
    UErrorCode* status
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucurr_register(
    ByRef isoCode As UShort,   ' WORD*
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' isoCode : WORD*
' locale : LPCSTR
' status : UErrorCode* in/out
Declare PtrSafe Function ucurr_register Lib "icuuc" ( _
    ByRef isoCode As Integer, _
    ByVal locale As String, _
    ByRef status As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucurr_register = ctypes.cdll.icuuc.ucurr_register
ucurr_register.restype = ctypes.c_void_p
ucurr_register.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # isoCode : WORD*
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucurr_register = Fiddle::Function.new(
  lib['ucurr_register'],
  [
    Fiddle::TYPE_VOIDP,  # isoCode : WORD*
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucurr_register(
        isoCode: *const u16,  // WORD*
        locale: *const u8,  // LPCSTR
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ucurr_register(ref ushort isoCode, [MarshalAs(UnmanagedType.LPStr)] string locale, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucurr_register' -Namespace Win32 -PassThru
# $api::ucurr_register(isoCode, locale, status)

#uselib "icuuc.dll"
#func global ucurr_register "ucurr_register" sptr, sptr, sptr
; ucurr_register varptr(isoCode), locale, status   ; 戻り値は stat
; isoCode : WORD* -> "sptr"
; locale : LPCSTR -> "sptr"
; status : UErrorCode* in/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 "icuuc.dll"
#cfunc global ucurr_register "ucurr_register" var, str, int
; res = ucurr_register(isoCode, locale, status)
; isoCode : WORD* -> "var"
; locale : LPCSTR -> "str"
; status : UErrorCode* in/out -> "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。

; void* ucurr_register(WORD* isoCode, LPCSTR locale, UErrorCode* status)
#uselib "icuuc.dll"
#cfunc global ucurr_register "ucurr_register" var, str, int
; res = ucurr_register(isoCode, locale, status)
; isoCode : WORD* -> "var"
; locale : LPCSTR -> "str"
; status : UErrorCode* in/out -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucurr_register = icuuc.NewProc("ucurr_register")
)

// isoCode (WORD*), locale (LPCSTR), status (UErrorCode* in/out)
r1, _, err := procucurr_register.Call(
	uintptr(isoCode),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function ucurr_register(
  isoCode: Pointer;   // WORD*
  locale: PAnsiChar;   // LPCSTR
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ucurr_register';

result := DllCall("icuuc\ucurr_register"
    , "Ptr", isoCode   ; WORD*
    , "AStr", locale   ; LPCSTR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: void*

●ucurr_register(isoCode, locale, status) = DLL("icuuc.dll", "void* ucurr_register(void*, char*, void*)")
# 呼び出し: ucurr_register(isoCode, locale, status)
# isoCode : WORD* -> "void*"
# locale : LPCSTR -> "char*"
# status : UErrorCode* in/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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。