unumf_formatDouble

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

void unumf_formatDouble(
    const UNumberFormatter* uformatter,
    DOUBLE value,
    UFormattedNumber* uresult,
    UErrorCode* ec
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub unumf_formatDouble(
    ByRef uformatter As IntPtr,   ' UNumberFormatter*
    value As Double,   ' DOUBLE
    ByRef uresult As IntPtr,   ' UFormattedNumber* in/out
    ByRef ec As Integer   ' UErrorCode* in/out
)
End Sub

' uformatter : UNumberFormatter*
' value : DOUBLE
' uresult : UFormattedNumber* in/out
' ec : UErrorCode* in/out
Declare PtrSafe Sub unumf_formatDouble Lib "icu" ( _
    ByRef uformatter As LongPtr, _
    ByVal value As Double, _
    ByRef uresult As LongPtr, _
    ByRef ec As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

unumf_formatDouble = ctypes.cdll.icu.unumf_formatDouble
unumf_formatDouble.restype = None
unumf_formatDouble.argtypes = [
    ctypes.c_void_p,  # uformatter : UNumberFormatter*
    ctypes.c_double,  # value : DOUBLE
    ctypes.c_void_p,  # uresult : UFormattedNumber* in/out
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
unumf_formatDouble = Fiddle::Function.new(
  lib['unumf_formatDouble'],
  [
    Fiddle::TYPE_VOIDP,  # uformatter : UNumberFormatter*
    Fiddle::TYPE_DOUBLE,  # value : DOUBLE
    Fiddle::TYPE_VOIDP,  # uresult : UFormattedNumber* in/out
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn unumf_formatDouble(
        uformatter: *const isize,  // UNumberFormatter*
        value: f64,  // DOUBLE
        uresult: *mut isize,  // UFormattedNumber* in/out
        ec: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void unumf_formatDouble(ref IntPtr uformatter, double value, ref IntPtr uresult, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_unumf_formatDouble' -Namespace Win32 -PassThru
# $api::unumf_formatDouble(uformatter, value, uresult, ec)

#uselib "icu.dll"
#func global unumf_formatDouble "unumf_formatDouble" sptr, double, sptr, sptr
; unumf_formatDouble varptr(uformatter), value, varptr(uresult), varptr(ec)
; uformatter : UNumberFormatter* -> "sptr"
; value : DOUBLE -> "double"
; uresult : UFormattedNumber* in/out -> "sptr"
; ec : UErrorCode* in/out -> "sptr"

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

var (
	icu = windows.NewLazySystemDLL("icu.dll")
	procunumf_formatDouble = icu.NewProc("unumf_formatDouble")
)

// uformatter (UNumberFormatter*), value (DOUBLE), uresult (UFormattedNumber* in/out), ec (UErrorCode* in/out)
r1, _, err := procunumf_formatDouble.Call(
	uintptr(uformatter),
	uintptr(math.Float64bits(value)),
	uintptr(uresult),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure unumf_formatDouble(
  uformatter: Pointer;   // UNumberFormatter*
  value: Double;   // DOUBLE
  uresult: Pointer;   // UFormattedNumber* in/out
  ec: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icu.dll' name 'unumf_formatDouble';

result := DllCall("icu\unumf_formatDouble"
    , "Ptr", uformatter   ; UNumberFormatter*
    , "Double", value   ; DOUBLE
    , "Ptr", uresult   ; UFormattedNumber* in/out
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●unumf_formatDouble(uformatter, value, uresult, ec) = DLL("icu.dll", "int unumf_formatDouble(void*, double, void*, void*)")
# 呼び出し: unumf_formatDouble(uformatter, value, uresult, ec)
# uformatter : UNumberFormatter* -> "void*"
# value : DOUBLE -> "double"
# uresult : UFormattedNumber* in/out -> "void*"
# 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 unumf_formatDouble(
    uformatter: [*c]isize, // UNumberFormatter*
    value: f64, // DOUBLE
    uresult: [*c]isize, // UFormattedNumber* in/out
    ec: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc unumf_formatDouble(
    uformatter: ptr int,  # UNumberFormatter*
    value: float64,  # DOUBLE
    uresult: ptr int,  # UFormattedNumber* in/out
    ec: ptr int32  # UErrorCode* in/out
) {.importc: "unumf_formatDouble", cdecl, dynlib: "icu.dll".}

pragma(lib, "icu");
extern(C)
void unumf_formatDouble(
    ptrdiff_t* uformatter,   // UNumberFormatter*
    double value,   // DOUBLE
    ptrdiff_t* uresult,   // UFormattedNumber* in/out
    int* ec   // UErrorCode* in/out
);

ccall((:unumf_formatDouble, "icu.dll"), Cvoid,
      (Ptr{Int}, Float64, Ptr{Int}, Ptr{Int32}),
      uformatter, value, uresult, ec)
# uformatter : UNumberFormatter* -> Ptr{Int}
# value : DOUBLE -> Float64
# uresult : UFormattedNumber* in/out -> Ptr{Int}
# ec : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void unumf_formatDouble(
    intptr_t* uformatter,
    double value,
    intptr_t* uresult,
    int32_t* ec);
]]
local icu = ffi.load("icu")
-- icu.unumf_formatDouble(uformatter, value, uresult, ec)
-- uformatter : UNumberFormatter*
-- value : DOUBLE
-- uresult : UFormattedNumber* in/out
-- 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 unumf_formatDouble = lib.func('__cdecl', 'unumf_formatDouble', 'void', ['intptr_t *', 'double', 'intptr_t *', 'int32_t *']);
// unumf_formatDouble(uformatter, value, uresult, ec)
// uformatter : UNumberFormatter* -> 'intptr_t *'
// value : DOUBLE -> 'double'
// uresult : UFormattedNumber* in/out -> 'intptr_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", {
  unumf_formatDouble: { parameters: ["pointer", "f64", "pointer", "pointer"], result: "void" },
});
// lib.symbols.unumf_formatDouble(uformatter, value, uresult, ec)
// uformatter : UNumberFormatter* -> "pointer"
// value : DOUBLE -> "f64"
// uresult : UFormattedNumber* in/out -> "pointer"
// 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
void unumf_formatDouble(
    intptr_t* uformatter,
    double value,
    intptr_t* uresult,
    int32_t* ec);
C, "icu.dll");
// $ffi->unumf_formatDouble(uformatter, value, uresult, ec);
// uformatter : UNumberFormatter*
// value : DOUBLE
// uresult : UFormattedNumber* in/out
// 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);
    void unumf_formatDouble(
        LongByReference uformatter,   // UNumberFormatter*
        double value,   // DOUBLE
        LongByReference uresult,   // UFormattedNumber* in/out
        IntByReference ec   // UErrorCode* in/out
    );
}

@[Link("icu")]
lib Libicu
  fun unumf_formatDouble = unumf_formatDouble(
    uformatter : LibC::SSizeT*,   # UNumberFormatter*
    value : Float64,   # DOUBLE
    uresult : LibC::SSizeT*,   # UFormattedNumber* in/out
    ec : Int32*   # UErrorCode* in/out
  ) : Void
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 unumf_formatDoubleNative = Void Function(Pointer<IntPtr>, Double, Pointer<IntPtr>, Pointer<Int32>);
typedef unumf_formatDoubleDart = void Function(Pointer<IntPtr>, double, Pointer<IntPtr>, Pointer<Int32>);
final unumf_formatDouble = DynamicLibrary.open('icu.dll')
    .lookupFunction<unumf_formatDoubleNative, unumf_formatDoubleDart>('unumf_formatDouble');
// uformatter : UNumberFormatter* -> Pointer<IntPtr>
// value : DOUBLE -> Double
// uresult : UFormattedNumber* in/out -> Pointer<IntPtr>
// ec : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure unumf_formatDouble(
  uformatter: Pointer;   // UNumberFormatter*
  value: Double;   // DOUBLE
  uresult: Pointer;   // UFormattedNumber* in/out
  ec: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icu.dll' name 'unumf_formatDouble';

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

foreign import ccall safe "unumf_formatDouble"
  c_unumf_formatDouble :: Ptr CIntPtr -> CDouble -> Ptr CIntPtr -> Ptr Int32 -> IO ()
-- uformatter : UNumberFormatter* -> Ptr CIntPtr
-- value : DOUBLE -> CDouble
-- uresult : UFormattedNumber* in/out -> Ptr CIntPtr
-- 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 unumf_formatdouble =
  foreign "unumf_formatDouble"
    ((ptr intptr_t) @-> double @-> (ptr intptr_t) @-> (ptr int32_t) @-> returning void)
(* uformatter : UNumberFormatter* -> (ptr intptr_t) *)
(* value : DOUBLE -> double *)
(* uresult : UFormattedNumber* in/out -> (ptr intptr_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 ("unumf_formatDouble" unumf-format-double :convention :cdecl) :void
  (uformatter :pointer)   ; UNumberFormatter*
  (value :double)   ; DOUBLE
  (uresult :pointer)   ; UFormattedNumber* in/out
  (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 $unumf_formatDouble = Win32::API::More->new('icu',
    'void unumf_formatDouble(LPVOID uformatter, double value, LPVOID uresult, LPVOID ec)');
# my $ret = $unumf_formatDouble->Call($uformatter, $value, $uresult, $ec);
# uformatter : UNumberFormatter* -> LPVOID
# value : DOUBLE -> double
# uresult : UFormattedNumber* in/out -> LPVOID
# 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。