ureldatefmt_open

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

URelativeDateTimeFormatter* ureldatefmt_open(
    LPCSTR locale,
    void** nfToAdopt,
    UDateRelativeDateTimeFormatterStyle width,
    UDisplayContext capitalizationContext,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ureldatefmt_open(
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    nfToAdopt As IntPtr,   ' void** in/out
    width As Integer,   ' UDateRelativeDateTimeFormatterStyle
    capitalizationContext As Integer,   ' UDisplayContext
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' locale : LPCSTR
' nfToAdopt : void** in/out
' width : UDateRelativeDateTimeFormatterStyle
' capitalizationContext : UDisplayContext
' status : UErrorCode* in/out
Declare PtrSafe Function ureldatefmt_open Lib "icuin" ( _
    ByVal locale As String, _
    ByVal nfToAdopt As LongPtr, _
    ByVal width As Long, _
    ByVal capitalizationContext As Long, _
    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

ureldatefmt_open = ctypes.cdll.icuin.ureldatefmt_open
ureldatefmt_open.restype = ctypes.c_void_p
ureldatefmt_open.argtypes = [
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # nfToAdopt : void** in/out
    ctypes.c_int,  # width : UDateRelativeDateTimeFormatterStyle
    ctypes.c_int,  # capitalizationContext : UDisplayContext
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ureldatefmt_open = Fiddle::Function.new(
  lib['ureldatefmt_open'],
  [
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # nfToAdopt : void** in/out
    Fiddle::TYPE_INT,  # width : UDateRelativeDateTimeFormatterStyle
    Fiddle::TYPE_INT,  # capitalizationContext : UDisplayContext
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ureldatefmt_open(
        locale: *const u8,  // LPCSTR
        nfToAdopt: *mut *mut (),  // void** in/out
        width: i32,  // UDateRelativeDateTimeFormatterStyle
        capitalizationContext: i32,  // UDisplayContext
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ureldatefmt_open([MarshalAs(UnmanagedType.LPStr)] string locale, IntPtr nfToAdopt, int width, int capitalizationContext, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ureldatefmt_open' -Namespace Win32 -PassThru
# $api::ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)

#uselib "icuin.dll"
#func global ureldatefmt_open "ureldatefmt_open" sptr, sptr, sptr, sptr, sptr
; ureldatefmt_open locale, nfToAdopt, width, capitalizationContext, status   ; 戻り値は stat
; locale : LPCSTR -> "sptr"
; nfToAdopt : void** in/out -> "sptr"
; width : UDateRelativeDateTimeFormatterStyle -> "sptr"
; capitalizationContext : UDisplayContext -> "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 "icuin.dll"
#cfunc global ureldatefmt_open "ureldatefmt_open" str, sptr, int, int, int
; res = ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
; locale : LPCSTR -> "str"
; nfToAdopt : void** in/out -> "sptr"
; width : UDateRelativeDateTimeFormatterStyle -> "int"
; capitalizationContext : UDisplayContext -> "int"
; status : UErrorCode* in/out -> "int"

; URelativeDateTimeFormatter* ureldatefmt_open(LPCSTR locale, void** nfToAdopt, UDateRelativeDateTimeFormatterStyle width, UDisplayContext capitalizationContext, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global ureldatefmt_open "ureldatefmt_open" str, intptr, int, int, int
; res = ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
; locale : LPCSTR -> "str"
; nfToAdopt : void** in/out -> "intptr"
; width : UDateRelativeDateTimeFormatterStyle -> "int"
; capitalizationContext : UDisplayContext -> "int"
; status : UErrorCode* in/out -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procureldatefmt_open = icuin.NewProc("ureldatefmt_open")
)

// locale (LPCSTR), nfToAdopt (void** in/out), width (UDateRelativeDateTimeFormatterStyle), capitalizationContext (UDisplayContext), status (UErrorCode* in/out)
r1, _, err := procureldatefmt_open.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(nfToAdopt),
	uintptr(width),
	uintptr(capitalizationContext),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // URelativeDateTimeFormatter*

function ureldatefmt_open(
  locale: PAnsiChar;   // LPCSTR
  nfToAdopt: Pointer;   // void** in/out
  width: Integer;   // UDateRelativeDateTimeFormatterStyle
  capitalizationContext: Integer;   // UDisplayContext
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'ureldatefmt_open';

result := DllCall("icuin\ureldatefmt_open"
    , "AStr", locale   ; LPCSTR
    , "Ptr", nfToAdopt   ; void** in/out
    , "Int", width   ; UDateRelativeDateTimeFormatterStyle
    , "Int", capitalizationContext   ; UDisplayContext
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: URelativeDateTimeFormatter*

●ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status) = DLL("icuin.dll", "void* ureldatefmt_open(char*, void*, int, int, void*)")
# 呼び出し: ureldatefmt_open(locale, nfToAdopt, width, capitalizationContext, status)
# locale : LPCSTR -> "char*"
# nfToAdopt : void** in/out -> "void*"
# width : UDateRelativeDateTimeFormatterStyle -> "int"
# capitalizationContext : UDisplayContext -> "int"
# 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。