unumrf_resultGetFirstDecimalNumber

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

INT unumrf_resultGetFirstDecimalNumber(
    const UFormattedNumberRange* uresult,
    LPSTR dest,
    INT destCapacity,
    UErrorCode* ec
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function unumrf_resultGetFirstDecimalNumber(
    ByRef uresult As IntPtr,   ' UFormattedNumberRange*
    <MarshalAs(UnmanagedType.LPStr)> dest As String,   ' LPSTR
    destCapacity As Integer,   ' INT
    ByRef ec As Integer   ' UErrorCode* in/out
) As Integer
End Function

' uresult : UFormattedNumberRange*
' dest : LPSTR
' destCapacity : INT
' ec : UErrorCode* in/out
Declare PtrSafe Function unumrf_resultGetFirstDecimalNumber Lib "icu" ( _
    ByRef uresult As LongPtr, _
    ByVal dest As String, _
    ByVal destCapacity As Long, _
    ByRef ec As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

unumrf_resultGetFirstDecimalNumber = ctypes.cdll.icu.unumrf_resultGetFirstDecimalNumber
unumrf_resultGetFirstDecimalNumber.restype = ctypes.c_int
unumrf_resultGetFirstDecimalNumber.argtypes = [
    ctypes.c_void_p,  # uresult : UFormattedNumberRange*
    wintypes.LPCSTR,  # dest : LPSTR
    ctypes.c_int,  # destCapacity : INT
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
unumrf_resultGetFirstDecimalNumber = Fiddle::Function.new(
  lib['unumrf_resultGetFirstDecimalNumber'],
  [
    Fiddle::TYPE_VOIDP,  # uresult : UFormattedNumberRange*
    Fiddle::TYPE_VOIDP,  # dest : LPSTR
    Fiddle::TYPE_INT,  # destCapacity : INT
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn unumrf_resultGetFirstDecimalNumber(
        uresult: *const isize,  // UFormattedNumberRange*
        dest: *mut u8,  // LPSTR
        destCapacity: i32,  // INT
        ec: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int unumrf_resultGetFirstDecimalNumber(ref IntPtr uresult, [MarshalAs(UnmanagedType.LPStr)] string dest, int destCapacity, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_unumrf_resultGetFirstDecimalNumber' -Namespace Win32 -PassThru
# $api::unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec)

#uselib "icu.dll"
#func global unumrf_resultGetFirstDecimalNumber "unumrf_resultGetFirstDecimalNumber" sptr, sptr, sptr, sptr
; unumrf_resultGetFirstDecimalNumber varptr(uresult), dest, destCapacity, varptr(ec)   ; 戻り値は stat
; uresult : UFormattedNumberRange* -> "sptr"
; dest : LPSTR -> "sptr"
; destCapacity : INT -> "sptr"
; ec : 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 (
	icu = windows.NewLazySystemDLL("icu.dll")
	procunumrf_resultGetFirstDecimalNumber = icu.NewProc("unumrf_resultGetFirstDecimalNumber")
)

// uresult (UFormattedNumberRange*), dest (LPSTR), destCapacity (INT), ec (UErrorCode* in/out)
r1, _, err := procunumrf_resultGetFirstDecimalNumber.Call(
	uintptr(uresult),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(dest))),
	uintptr(destCapacity),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function unumrf_resultGetFirstDecimalNumber(
  uresult: Pointer;   // UFormattedNumberRange*
  dest: PAnsiChar;   // LPSTR
  destCapacity: Integer;   // INT
  ec: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icu.dll' name 'unumrf_resultGetFirstDecimalNumber';

result := DllCall("icu\unumrf_resultGetFirstDecimalNumber"
    , "Ptr", uresult   ; UFormattedNumberRange*
    , "AStr", dest   ; LPSTR
    , "Int", destCapacity   ; INT
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec) = DLL("icu.dll", "int unumrf_resultGetFirstDecimalNumber(void*, char*, int, void*)")
# 呼び出し: unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec)
# uresult : UFormattedNumberRange* -> "void*"
# dest : LPSTR -> "char*"
# destCapacity : INT -> "int"
# ec : 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 "icu" fn unumrf_resultGetFirstDecimalNumber(
    uresult: [*c]isize, // UFormattedNumberRange*
    dest: [*c]const u8, // LPSTR
    destCapacity: i32, // INT
    ec: [*c]i32 // UErrorCode* in/out
) callconv(.c) i32;

proc unumrf_resultGetFirstDecimalNumber(
    uresult: ptr int,  # UFormattedNumberRange*
    dest: cstring,  # LPSTR
    destCapacity: int32,  # INT
    ec: ptr int32  # UErrorCode* in/out
): int32 {.importc: "unumrf_resultGetFirstDecimalNumber", cdecl, dynlib: "icu.dll".}

pragma(lib, "icu");
extern(C)
int unumrf_resultGetFirstDecimalNumber(
    ptrdiff_t* uresult,   // UFormattedNumberRange*
    const(char)* dest,   // LPSTR
    int destCapacity,   // INT
    int* ec   // UErrorCode* in/out
);

ccall((:unumrf_resultGetFirstDecimalNumber, "icu.dll"), Int32,
      (Ptr{Int}, Cstring, Int32, Ptr{Int32}),
      uresult, dest, destCapacity, ec)
# uresult : UFormattedNumberRange* -> Ptr{Int}
# dest : LPSTR -> Cstring
# destCapacity : INT -> Int32
# ec : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int32_t unumrf_resultGetFirstDecimalNumber(
    intptr_t* uresult,
    const char* dest,
    int32_t destCapacity,
    int32_t* ec);
]]
local icu = ffi.load("icu")
-- icu.unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec)
-- uresult : UFormattedNumberRange*
-- dest : LPSTR
-- destCapacity : INT
-- ec : 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('icu.dll');
const unumrf_resultGetFirstDecimalNumber = lib.func('__cdecl', 'unumrf_resultGetFirstDecimalNumber', 'int32_t', ['intptr_t *', 'str', 'int32_t', 'int32_t *']);
// unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec)
// uresult : UFormattedNumberRange* -> 'intptr_t *'
// dest : LPSTR -> 'str'
// destCapacity : INT -> 'int32_t'
// ec : 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("icu.dll", {
  unumrf_resultGetFirstDecimalNumber: { parameters: ["pointer", "buffer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec)
// uresult : UFormattedNumberRange* -> "pointer"
// dest : LPSTR -> "buffer"
// destCapacity : INT -> "i32"
// ec : 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
int32_t unumrf_resultGetFirstDecimalNumber(
    intptr_t* uresult,
    const char* dest,
    int32_t destCapacity,
    int32_t* ec);
C, "icu.dll");
// $ffi->unumrf_resultGetFirstDecimalNumber(uresult, dest, destCapacity, ec);
// uresult : UFormattedNumberRange*
// dest : LPSTR
// destCapacity : INT
// ec : 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 Icu extends Library {
    Icu INSTANCE = Native.load("icu", Icu.class);
    int unumrf_resultGetFirstDecimalNumber(
        LongByReference uresult,   // UFormattedNumberRange*
        String dest,   // LPSTR
        int destCapacity,   // INT
        IntByReference ec   // UErrorCode* in/out
    );
}

@[Link("icu")]
lib Libicu
  fun unumrf_resultGetFirstDecimalNumber = unumrf_resultGetFirstDecimalNumber(
    uresult : LibC::SSizeT*,   # UFormattedNumberRange*
    dest : UInt8*,   # LPSTR
    destCapacity : Int32,   # INT
    ec : Int32*   # UErrorCode* in/out
  ) : Int32
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 unumrf_resultGetFirstDecimalNumberNative = Int32 Function(Pointer<IntPtr>, Pointer<Utf8>, Int32, Pointer<Int32>);
typedef unumrf_resultGetFirstDecimalNumberDart = int Function(Pointer<IntPtr>, Pointer<Utf8>, int, Pointer<Int32>);
final unumrf_resultGetFirstDecimalNumber = DynamicLibrary.open('icu.dll')
    .lookupFunction<unumrf_resultGetFirstDecimalNumberNative, unumrf_resultGetFirstDecimalNumberDart>('unumrf_resultGetFirstDecimalNumber');
// uresult : UFormattedNumberRange* -> Pointer<IntPtr>
// dest : LPSTR -> Pointer<Utf8>
// destCapacity : INT -> Int32
// ec : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function unumrf_resultGetFirstDecimalNumber(
  uresult: Pointer;   // UFormattedNumberRange*
  dest: PAnsiChar;   // LPSTR
  destCapacity: Integer;   // INT
  ec: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icu.dll' name 'unumrf_resultGetFirstDecimalNumber';

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

foreign import ccall safe "unumrf_resultGetFirstDecimalNumber"
  c_unumrf_resultGetFirstDecimalNumber :: Ptr CIntPtr -> CString -> Int32 -> Ptr Int32 -> IO Int32
-- uresult : UFormattedNumberRange* -> Ptr CIntPtr
-- dest : LPSTR -> CString
-- destCapacity : INT -> Int32
-- ec : 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 unumrf_resultgetfirstdecimalnumber =
  foreign "unumrf_resultGetFirstDecimalNumber"
    ((ptr intptr_t) @-> string @-> int32_t @-> (ptr int32_t) @-> returning int32_t)
(* uresult : UFormattedNumberRange* -> (ptr intptr_t) *)
(* dest : LPSTR -> string *)
(* destCapacity : INT -> int32_t *)
(* ec : 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 icu (t "icu.dll"))
(cffi:use-foreign-library icu)

(cffi:defcfun ("unumrf_resultGetFirstDecimalNumber" unumrf-result-get-first-decimal-number :convention :cdecl) :int32
  (uresult :pointer)   ; UFormattedNumberRange*
  (dest :string)   ; LPSTR
  (dest-capacity :int32)   ; INT
  (ec :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 $unumrf_resultGetFirstDecimalNumber = Win32::API::More->new('icu',
    'int unumrf_resultGetFirstDecimalNumber(LPVOID uresult, LPCSTR dest, int destCapacity, LPVOID ec)');
# my $ret = $unumrf_resultGetFirstDecimalNumber->Call($uresult, $dest, $destCapacity, $ec);
# uresult : UFormattedNumberRange* -> LPVOID
# dest : LPSTR -> LPCSTR
# destCapacity : INT -> int
# ec : 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。