uldn_getDialectHandling

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

UDialectHandling uldn_getDialectHandling(
    const ULocaleDisplayNames* ldn
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uldn_getDialectHandling(
    ByRef ldn As IntPtr   ' ULocaleDisplayNames*
) As Integer
End Function

' ldn : ULocaleDisplayNames*
Declare PtrSafe Function uldn_getDialectHandling Lib "icuuc" ( _
    ByRef ldn 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

uldn_getDialectHandling = ctypes.cdll.icuuc.uldn_getDialectHandling
uldn_getDialectHandling.restype = ctypes.c_int
uldn_getDialectHandling.argtypes = [
    ctypes.c_void_p,  # ldn : ULocaleDisplayNames*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uldn_getDialectHandling = Fiddle::Function.new(
  lib['uldn_getDialectHandling'],
  [
    Fiddle::TYPE_VOIDP,  # ldn : ULocaleDisplayNames*
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uldn_getDialectHandling(
        ldn: *const isize  // ULocaleDisplayNames*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uldn_getDialectHandling(ref IntPtr ldn);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uldn_getDialectHandling' -Namespace Win32 -PassThru
# $api::uldn_getDialectHandling(ldn)

#uselib "icuuc.dll"
#func global uldn_getDialectHandling "uldn_getDialectHandling" sptr
; uldn_getDialectHandling ldn   ; 戻り値は stat
; ldn : ULocaleDisplayNames* -> "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 uldn_getDialectHandling "uldn_getDialectHandling" int
; res = uldn_getDialectHandling(ldn)
; ldn : ULocaleDisplayNames* -> "int"

; UDialectHandling uldn_getDialectHandling(ULocaleDisplayNames* ldn)
#uselib "icuuc.dll"
#cfunc global uldn_getDialectHandling "uldn_getDialectHandling" int
; res = uldn_getDialectHandling(ldn)
; ldn : ULocaleDisplayNames* -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	proculdn_getDialectHandling = icuuc.NewProc("uldn_getDialectHandling")
)

// ldn (ULocaleDisplayNames*)
r1, _, err := proculdn_getDialectHandling.Call(
	uintptr(ldn),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UDialectHandling

function uldn_getDialectHandling(
  ldn: Pointer   // ULocaleDisplayNames*
): Integer; cdecl;
  external 'icuuc.dll' name 'uldn_getDialectHandling';

result := DllCall("icuuc\uldn_getDialectHandling"
    , "Ptr", ldn   ; ULocaleDisplayNames*
    , "Cdecl Int")   ; return: UDialectHandling

●uldn_getDialectHandling(ldn) = DLL("icuuc.dll", "int uldn_getDialectHandling(void*)")
# 呼び出し: uldn_getDialectHandling(ldn)
# ldn : ULocaleDisplayNames* -> "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。