ures_openAvailableLocales

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

UEnumeration* ures_openAvailableLocales(
    LPCSTR packageName,
    UErrorCode* status
);

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

' packageName : LPCSTR
' status : UErrorCode* in/out
Declare PtrSafe Function ures_openAvailableLocales Lib "icuuc" ( _
    ByVal packageName 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

ures_openAvailableLocales = ctypes.cdll.icuuc.ures_openAvailableLocales
ures_openAvailableLocales.restype = ctypes.c_void_p
ures_openAvailableLocales.argtypes = [
    wintypes.LPCSTR,  # packageName : LPCSTR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

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

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

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

#uselib "icuuc.dll"
#func global ures_openAvailableLocales "ures_openAvailableLocales" sptr, sptr
; ures_openAvailableLocales packageName, status   ; 戻り値は stat
; packageName : 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 ures_openAvailableLocales "ures_openAvailableLocales" str, int
; res = ures_openAvailableLocales(packageName, status)
; packageName : LPCSTR -> "str"
; status : UErrorCode* in/out -> "int"

; UEnumeration* ures_openAvailableLocales(LPCSTR packageName, UErrorCode* status)
#uselib "icuuc.dll"
#cfunc global ures_openAvailableLocales "ures_openAvailableLocales" str, int
; res = ures_openAvailableLocales(packageName, status)
; packageName : LPCSTR -> "str"
; status : UErrorCode* in/out -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procures_openAvailableLocales = icuuc.NewProc("ures_openAvailableLocales")
)

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

function ures_openAvailableLocales(
  packageName: PAnsiChar;   // LPCSTR
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ures_openAvailableLocales';

result := DllCall("icuuc\ures_openAvailableLocales"
    , "AStr", packageName   ; LPCSTR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UEnumeration*

●ures_openAvailableLocales(packageName, status) = DLL("icuuc.dll", "void* ures_openAvailableLocales(char*, void*)")
# 呼び出し: ures_openAvailableLocales(packageName, status)
# packageName : 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。