ucurr_isAvailable

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

CHAR ucurr_isAvailable(
    const WORD* isoCode,
    DOUBLE from,
    DOUBLE to,
    UErrorCode* errorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucurr_isAvailable(
    ByRef isoCode As UShort,   ' WORD*
    [from] As Double,   ' DOUBLE
    [to] As Double,   ' DOUBLE
    ByRef errorCode As Integer   ' UErrorCode* in/out
) As SByte
End Function

' isoCode : WORD*
' from : DOUBLE
' to : DOUBLE
' errorCode : UErrorCode* in/out
Declare PtrSafe Function ucurr_isAvailable Lib "icuuc" ( _
    ByRef isoCode As Integer, _
    ByVal from As Double, _
    ByVal to As Double, _
    ByRef errorCode As Long) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucurr_isAvailable = ctypes.cdll.icuuc.ucurr_isAvailable
ucurr_isAvailable.restype = ctypes.c_byte
ucurr_isAvailable.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # isoCode : WORD*
    ctypes.c_double,  # from : DOUBLE
    ctypes.c_double,  # to : DOUBLE
    ctypes.c_void_p,  # errorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucurr_isAvailable = Fiddle::Function.new(
  lib['ucurr_isAvailable'],
  [
    Fiddle::TYPE_VOIDP,  # isoCode : WORD*
    Fiddle::TYPE_DOUBLE,  # from : DOUBLE
    Fiddle::TYPE_DOUBLE,  # to : DOUBLE
    Fiddle::TYPE_VOIDP,  # errorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucurr_isAvailable(
        isoCode: *const u16,  // WORD*
        from: f64,  // DOUBLE
        to: f64,  // DOUBLE
        errorCode: *mut i32  // UErrorCode* in/out
    ) -> i8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern sbyte ucurr_isAvailable(ref ushort isoCode, double from, double to, ref int errorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucurr_isAvailable' -Namespace Win32 -PassThru
# $api::ucurr_isAvailable(isoCode, from, to, errorCode)

#uselib "icuuc.dll"
#func global ucurr_isAvailable "ucurr_isAvailable" sptr, double, double, sptr
; ucurr_isAvailable varptr(isoCode), from, to, varptr(errorCode)   ; 戻り値は stat
; isoCode : WORD* -> "sptr"
; from : DOUBLE -> "double"
; to : DOUBLE -> "double"
; errorCode : 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 (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucurr_isAvailable = icuuc.NewProc("ucurr_isAvailable")
)

// isoCode (WORD*), from (DOUBLE), to (DOUBLE), errorCode (UErrorCode* in/out)
r1, _, err := procucurr_isAvailable.Call(
	uintptr(isoCode),
	uintptr(math.Float64bits(from)),
	uintptr(math.Float64bits(to)),
	uintptr(errorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CHAR
// 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。

function ucurr_isAvailable(
  isoCode: Pointer;   // WORD*
  from: Double;   // DOUBLE
  to: Double;   // DOUBLE
  errorCode: Pointer   // UErrorCode* in/out
): Shortint; cdecl;
  external 'icuuc.dll' name 'ucurr_isAvailable';

result := DllCall("icuuc\ucurr_isAvailable"
    , "Ptr", isoCode   ; WORD*
    , "Double", from   ; DOUBLE
    , "Double", to   ; DOUBLE
    , "Ptr", errorCode   ; UErrorCode* in/out
    , "Cdecl Char")   ; return: CHAR

●ucurr_isAvailable(isoCode, from, to, errorCode) = DLL("icuuc.dll", "char ucurr_isAvailable(void*, double, double, void*)")
# 呼び出し: ucurr_isAvailable(isoCode, from, to, errorCode)
# isoCode : WORD* -> "void*"
# from : DOUBLE -> "double"
# to : DOUBLE -> "double"
# errorCode : 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 "icuuc" fn ucurr_isAvailable(
    isoCode: [*c]u16, // WORD*
    from: f64, // DOUBLE
    to: f64, // DOUBLE
    errorCode: [*c]i32 // UErrorCode* in/out
) callconv(.c) i8;

proc ucurr_isAvailable(
    isoCode: ptr uint16,  # WORD*
    `from`: float64,  # DOUBLE
    to: float64,  # DOUBLE
    errorCode: ptr int32  # UErrorCode* in/out
): int8 {.importc: "ucurr_isAvailable", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
byte ucurr_isAvailable(
    ushort* isoCode,   // WORD*
    double from,   // DOUBLE
    double to,   // DOUBLE
    int* errorCode   // UErrorCode* in/out
);

ccall((:ucurr_isAvailable, "icuuc.dll"), Int8,
      (Ptr{UInt16}, Float64, Float64, Ptr{Int32}),
      isoCode, from, to, errorCode)
# isoCode : WORD* -> Ptr{UInt16}
# from : DOUBLE -> Float64
# to : DOUBLE -> Float64
# errorCode : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
int8_t ucurr_isAvailable(
    uint16_t* isoCode,
    double from,
    double to,
    int32_t* errorCode);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ucurr_isAvailable(isoCode, from, to, errorCode)
-- isoCode : WORD*
-- from : DOUBLE
-- to : DOUBLE
-- errorCode : 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('icuuc.dll');
const ucurr_isAvailable = lib.func('__cdecl', 'ucurr_isAvailable', 'int8_t', ['uint16_t *', 'double', 'double', 'int32_t *']);
// ucurr_isAvailable(isoCode, from, to, errorCode)
// isoCode : WORD* -> 'uint16_t *'
// from : DOUBLE -> 'double'
// to : DOUBLE -> 'double'
// errorCode : 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("icuuc.dll", {
  ucurr_isAvailable: { parameters: ["pointer", "f64", "f64", "pointer"], result: "i8" },
});
// lib.symbols.ucurr_isAvailable(isoCode, from, to, errorCode)
// isoCode : WORD* -> "pointer"
// from : DOUBLE -> "f64"
// to : DOUBLE -> "f64"
// errorCode : 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
int8_t ucurr_isAvailable(
    uint16_t* isoCode,
    double from,
    double to,
    int32_t* errorCode);
C, "icuuc.dll");
// $ffi->ucurr_isAvailable(isoCode, from, to, errorCode);
// isoCode : WORD*
// from : DOUBLE
// to : DOUBLE
// errorCode : 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 Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    byte ucurr_isAvailable(
        ShortByReference isoCode,   // WORD*
        double from,   // DOUBLE
        double to,   // DOUBLE
        IntByReference errorCode   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ucurr_isAvailable = ucurr_isAvailable(
    isoCode : UInt16*,   # WORD*
    from : Float64,   # DOUBLE
    to : Float64,   # DOUBLE
    errorCode : Int32*   # UErrorCode* in/out
  ) : Int8
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 ucurr_isAvailableNative = Int8 Function(Pointer<Uint16>, Double, Double, Pointer<Int32>);
typedef ucurr_isAvailableDart = int Function(Pointer<Uint16>, double, double, Pointer<Int32>);
final ucurr_isAvailable = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ucurr_isAvailableNative, ucurr_isAvailableDart>('ucurr_isAvailable');
// isoCode : WORD* -> Pointer<Uint16>
// from : DOUBLE -> Double
// to : DOUBLE -> Double
// errorCode : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ucurr_isAvailable(
  isoCode: Pointer;   // WORD*
  from: Double;   // DOUBLE
  to: Double;   // DOUBLE
  errorCode: Pointer   // UErrorCode* in/out
): Shortint; cdecl;
  external 'icuuc.dll' name 'ucurr_isAvailable';

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

foreign import ccall safe "ucurr_isAvailable"
  c_ucurr_isAvailable :: Ptr Word16 -> CDouble -> CDouble -> Ptr Int32 -> IO Int8
-- isoCode : WORD* -> Ptr Word16
-- from : DOUBLE -> CDouble
-- to : DOUBLE -> CDouble
-- errorCode : 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 ucurr_isavailable =
  foreign "ucurr_isAvailable"
    ((ptr uint16_t) @-> double @-> double @-> (ptr int32_t) @-> returning int8_t)
(* isoCode : WORD* -> (ptr uint16_t) *)
(* from : DOUBLE -> double *)
(* to : DOUBLE -> double *)
(* errorCode : 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("ucurr_isAvailable" ucurr-is-available :convention :cdecl) :int8
  (iso-code :pointer)   ; WORD*
  (from :double)   ; DOUBLE
  (to :double)   ; DOUBLE
  (error-code :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 $ucurr_isAvailable = Win32::API::More->new('icuuc',
    'char ucurr_isAvailable(LPVOID isoCode, double from, double to, LPVOID errorCode)');
# my $ret = $ucurr_isAvailable->Call($isoCode, $from, $to, $errorCode);
# isoCode : WORD* -> LPVOID
# from : DOUBLE -> double
# to : DOUBLE -> double
# errorCode : 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。