udat_parse

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

DOUBLE udat_parse(
    const void** format,
    const WORD* text,
    INT textLength,
    INT* parsePos,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function udat_parse(
    format As IntPtr,   ' void**
    ByRef text As UShort,   ' WORD*
    textLength As Integer,   ' INT
    ByRef parsePos As Integer,   ' INT* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As Double
End Function

' format : void**
' text : WORD*
' textLength : INT
' parsePos : INT* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function udat_parse Lib "icuin" ( _
    ByVal format As LongPtr, _
    ByRef text As Integer, _
    ByVal textLength As Long, _
    ByRef parsePos As Long, _
    ByRef status As Long) As Double
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

udat_parse = ctypes.cdll.icuin.udat_parse
udat_parse.restype = ctypes.c_double
udat_parse.argtypes = [
    ctypes.c_void_p,  # format : void**
    ctypes.POINTER(ctypes.c_ushort),  # text : WORD*
    ctypes.c_int,  # textLength : INT
    ctypes.POINTER(ctypes.c_int),  # parsePos : INT* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udat_parse = Fiddle::Function.new(
  lib['udat_parse'],
  [
    Fiddle::TYPE_VOIDP,  # format : void**
    Fiddle::TYPE_VOIDP,  # text : WORD*
    Fiddle::TYPE_INT,  # textLength : INT
    Fiddle::TYPE_VOIDP,  # parsePos : INT* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_DOUBLE, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udat_parse(
        format: *const *const (),  // void**
        text: *const u16,  // WORD*
        textLength: i32,  // INT
        parsePos: *mut i32,  // INT* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> f64;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern double udat_parse(IntPtr format, ref ushort text, int textLength, ref int parsePos, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udat_parse' -Namespace Win32 -PassThru
# $api::udat_parse(format, text, textLength, parsePos, status)

#uselib "icuin.dll"
#func global udat_parse "udat_parse" sptr, sptr, sptr, sptr, sptr
; udat_parse format, varptr(text), textLength, varptr(parsePos), varptr(status)   ; 戻り値は stat
; format : void** -> "sptr"
; text : WORD* -> "sptr"
; textLength : INT -> "sptr"
; parsePos : INT* in/out -> "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。

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procudat_parse = icuin.NewProc("udat_parse")
)

// format (void**), text (WORD*), textLength (INT), parsePos (INT* in/out), status (UErrorCode* in/out)
r1, _, err := procudat_parse.Call(
	uintptr(format),
	uintptr(text),
	uintptr(textLength),
	uintptr(parsePos),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DOUBLE

function udat_parse(
  format: Pointer;   // void**
  text: Pointer;   // WORD*
  textLength: Integer;   // INT
  parsePos: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
): Double; cdecl;
  external 'icuin.dll' name 'udat_parse';

result := DllCall("icuin\udat_parse"
    , "Ptr", format   ; void**
    , "Ptr", text   ; WORD*
    , "Int", textLength   ; INT
    , "Ptr", parsePos   ; INT* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Double")   ; return: DOUBLE

●udat_parse(format, text, textLength, parsePos, status) = DLL("icuin.dll", "double udat_parse(void*, void*, int, void*, void*)")
# 呼び出し: udat_parse(format, text, textLength, parsePos, status)
# format : void** -> "void*"
# text : WORD* -> "void*"
# textLength : INT -> "int"
# parsePos : INT* in/out -> "void*"
# 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。

const std = @import("std");

extern "icuin" fn udat_parse(
    format: ?*anyopaque, // void**
    text: [*c]u16, // WORD*
    textLength: i32, // INT
    parsePos: [*c]i32, // INT* in/out
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) f64;

proc udat_parse(
    format: pointer,  # void**
    text: ptr uint16,  # WORD*
    textLength: int32,  # INT
    parsePos: ptr int32,  # INT* in/out
    status: ptr int32  # UErrorCode* in/out
): float64 {.importc: "udat_parse", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
double udat_parse(
    void** format,   // void**
    ushort* text,   // WORD*
    int textLength,   // INT
    int* parsePos,   // INT* in/out
    int* status   // UErrorCode* in/out
);

ccall((:udat_parse, "icuin.dll"), Float64,
      (Ptr{Cvoid}, Ptr{UInt16}, Int32, Ptr{Int32}, Ptr{Int32}),
      format, text, textLength, parsePos, status)
# format : void** -> Ptr{Cvoid}
# text : WORD* -> Ptr{UInt16}
# textLength : INT -> Int32
# parsePos : INT* in/out -> Ptr{Int32}
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
double udat_parse(
    void** format,
    uint16_t* text,
    int32_t textLength,
    int32_t* parsePos,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.udat_parse(format, text, textLength, parsePos, status)
-- format : void**
-- text : WORD*
-- textLength : INT
-- parsePos : INT* in/out
-- status : UErrorCode* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('icuin.dll');
const udat_parse = lib.func('__cdecl', 'udat_parse', 'double', ['void *', 'uint16_t *', 'int32_t', 'int32_t *', 'int32_t *']);
// udat_parse(format, text, textLength, parsePos, status)
// format : void** -> 'void *'
// text : WORD* -> 'uint16_t *'
// textLength : INT -> 'int32_t'
// parsePos : INT* in/out -> 'int32_t *'
// status : UErrorCode* in/out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("icuin.dll", {
  udat_parse: { parameters: ["pointer", "pointer", "i32", "pointer", "pointer"], result: "f64" },
});
// lib.symbols.udat_parse(format, text, textLength, parsePos, status)
// format : void** -> "pointer"
// text : WORD* -> "pointer"
// textLength : INT -> "i32"
// parsePos : INT* in/out -> "pointer"
// status : UErrorCode* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
double udat_parse(
    void** format,
    uint16_t* text,
    int32_t textLength,
    int32_t* parsePos,
    int32_t* status);
C, "icuin.dll");
// $ffi->udat_parse(format, text, textLength, parsePos, status);
// format : void**
// text : WORD*
// textLength : INT
// parsePos : INT* in/out
// status : UErrorCode* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    double udat_parse(
        Pointer format,   // void**
        ShortByReference text,   // WORD*
        int textLength,   // INT
        IntByReference parsePos,   // INT* in/out
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun udat_parse = udat_parse(
    format : Void**,   # void**
    text : UInt16*,   # WORD*
    textLength : Int32,   # INT
    parsePos : Int32*,   # INT* in/out
    status : Int32*   # UErrorCode* in/out
  ) : Float64
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef udat_parseNative = Double Function(Pointer<Void>, Pointer<Uint16>, Int32, Pointer<Int32>, Pointer<Int32>);
typedef udat_parseDart = double Function(Pointer<Void>, Pointer<Uint16>, int, Pointer<Int32>, Pointer<Int32>);
final udat_parse = DynamicLibrary.open('icuin.dll')
    .lookupFunction<udat_parseNative, udat_parseDart>('udat_parse');
// format : void** -> Pointer<Void>
// text : WORD* -> Pointer<Uint16>
// textLength : INT -> Int32
// parsePos : INT* in/out -> Pointer<Int32>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function udat_parse(
  format: Pointer;   // void**
  text: Pointer;   // WORD*
  textLength: Integer;   // INT
  parsePos: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
): Double; cdecl;
  external 'icuin.dll' name 'udat_parse';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import ccall safe "udat_parse"
  c_udat_parse :: Ptr () -> Ptr Word16 -> Int32 -> Ptr Int32 -> Ptr Int32 -> IO CDouble
-- format : void** -> Ptr ()
-- text : WORD* -> Ptr Word16
-- textLength : INT -> Int32
-- parsePos : INT* in/out -> Ptr Int32
-- status : UErrorCode* in/out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let udat_parse =
  foreign "udat_parse"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> (ptr int32_t) @-> (ptr int32_t) @-> returning double)
(* format : void** -> (ptr void) *)
(* text : WORD* -> (ptr uint16_t) *)
(* textLength : INT -> int32_t *)
(* parsePos : INT* in/out -> (ptr int32_t) *)
(* status : UErrorCode* in/out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("udat_parse" udat-parse :convention :cdecl) :double
  (format :pointer)   ; void**
  (text :pointer)   ; WORD*
  (text-length :int32)   ; INT
  (parse-pos :pointer)   ; INT* in/out
  (status :pointer))   ; UErrorCode* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $udat_parse = Win32::API::More->new('icuin',
    'double udat_parse(LPVOID format, LPVOID text, int textLength, LPVOID parsePos, LPVOID status)');
# my $ret = $udat_parse->Call($format, $text, $textLength, $parsePos, $status);
# format : void** -> LPVOID
# text : WORD* -> LPVOID
# textLength : INT -> int
# parsePos : INT* in/out -> LPVOID
# status : UErrorCode* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。