utext_equals

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

CHAR utext_equals(
    const UText* a,
    const UText* b
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function utext_equals(
    a As IntPtr,   ' UText*
    b As IntPtr   ' UText*
) As SByte
End Function

' a : UText*
' b : UText*
Declare PtrSafe Function utext_equals Lib "icuuc" ( _
    ByVal a As LongPtr, _
    ByVal b As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

utext_equals = ctypes.cdll.icuuc.utext_equals
utext_equals.restype = ctypes.c_byte
utext_equals.argtypes = [
    ctypes.c_void_p,  # a : UText*
    ctypes.c_void_p,  # b : UText*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
utext_equals = Fiddle::Function.new(
  lib['utext_equals'],
  [
    Fiddle::TYPE_VOIDP,  # a : UText*
    Fiddle::TYPE_VOIDP,  # b : UText*
  ],
  Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn utext_equals(
        a: *const UText,  // UText*
        b: *const UText  // UText*
    ) -> i8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern sbyte utext_equals(IntPtr a, IntPtr b);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_utext_equals' -Namespace Win32 -PassThru
# $api::utext_equals(a, b)

#uselib "icuuc.dll"
#func global utext_equals "utext_equals" sptr, sptr
; utext_equals varptr(a), varptr(b)   ; 戻り値は stat
; a : UText* -> "sptr"
; b : UText* -> "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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procutext_equals = icuuc.NewProc("utext_equals")
)

// a (UText*), b (UText*)
r1, _, err := procutext_equals.Call(
	uintptr(a),
	uintptr(b),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CHAR

function utext_equals(
  a: Pointer;   // UText*
  b: Pointer   // UText*
): Shortint; cdecl;
  external 'icuuc.dll' name 'utext_equals';

result := DllCall("icuuc\utext_equals"
    , "Ptr", a   ; UText*
    , "Ptr", b   ; UText*
    , "Cdecl Char")   ; return: CHAR

●utext_equals(a, b) = DLL("icuuc.dll", "char utext_equals(void*, void*)")
# 呼び出し: utext_equals(a, b)
# a : UText* -> "void*"
# b : UText* -> "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 utext_equals(
    a: [*c]UText, // UText*
    b: [*c]UText // UText*
) callconv(.c) i8;

proc utext_equals(
    a: ptr UText,  # UText*
    b: ptr UText  # UText*
): int8 {.importc: "utext_equals", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
byte utext_equals(
    UText* a,   // UText*
    UText* b   // UText*
);

ccall((:utext_equals, "icuuc.dll"), Int8,
      (Ptr{UText}, Ptr{UText}),
      a, b)
# a : UText* -> Ptr{UText}
# b : UText* -> Ptr{UText}

local ffi = require("ffi")
ffi.cdef[[
int8_t utext_equals(
    void* a,
    void* b);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.utext_equals(a, b)
-- a : UText*
-- b : UText*
-- 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 utext_equals = lib.func('__cdecl', 'utext_equals', 'int8_t', ['void *', 'void *']);
// utext_equals(a, b)
// a : UText* -> 'void *'
// b : UText* -> 'void *'
// 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", {
  utext_equals: { parameters: ["pointer", "pointer"], result: "i8" },
});
// lib.symbols.utext_equals(a, b)
// a : UText* -> "pointer"
// b : UText* -> "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 utext_equals(
    void* a,
    void* b);
C, "icuuc.dll");
// $ffi->utext_equals(a, b);
// a : UText*
// b : UText*
// 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 utext_equals(
        Pointer a,   // UText*
        Pointer b   // UText*
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun utext_equals = utext_equals(
    a : UText*,   # UText*
    b : UText*   # UText*
  ) : 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 utext_equalsNative = Int8 Function(Pointer<Void>, Pointer<Void>);
typedef utext_equalsDart = int Function(Pointer<Void>, Pointer<Void>);
final utext_equals = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<utext_equalsNative, utext_equalsDart>('utext_equals');
// a : UText* -> Pointer<Void>
// b : UText* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function utext_equals(
  a: Pointer;   // UText*
  b: Pointer   // UText*
): Shortint; cdecl;
  external 'icuuc.dll' name 'utext_equals';

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

foreign import ccall safe "utext_equals"
  c_utext_equals :: Ptr () -> Ptr () -> IO Int8
-- a : UText* -> Ptr ()
-- b : UText* -> Ptr ()
-- 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 utext_equals =
  foreign "utext_equals"
    ((ptr void) @-> (ptr void) @-> returning int8_t)
(* a : UText* -> (ptr void) *)
(* b : UText* -> (ptr void) *)
(* 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 ("utext_equals" utext-equals :convention :cdecl) :int8
  (a :pointer)   ; UText*
  (b :pointer))   ; UText*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $utext_equals = Win32::API::More->new('icuuc',
    'char utext_equals(LPVOID a, LPVOID b)');
# my $ret = $utext_equals->Call($a, $b);
# a : UText* -> LPVOID
# b : UText* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。