UCNV_TO_U_CALLBACK_SUBSTITUTE

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

void UCNV_TO_U_CALLBACK_SUBSTITUTE(
    const void* context,
    UConverterToUnicodeArgs* toUArgs,
    LPCSTR codeUnits,
    INT length,
    UConverterCallbackReason reason,
    UErrorCode* err
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub UCNV_TO_U_CALLBACK_SUBSTITUTE(
    context As IntPtr,   ' void*
    toUArgs As IntPtr,   ' UConverterToUnicodeArgs* in/out
    <MarshalAs(UnmanagedType.LPStr)> codeUnits As String,   ' LPCSTR
    length As Integer,   ' INT
    reason As Integer,   ' UConverterCallbackReason
    ByRef err As Integer   ' UErrorCode* in/out
)
End Sub

' context : void*
' toUArgs : UConverterToUnicodeArgs* in/out
' codeUnits : LPCSTR
' length : INT
' reason : UConverterCallbackReason
' err : UErrorCode* in/out
Declare PtrSafe Sub UCNV_TO_U_CALLBACK_SUBSTITUTE Lib "icuuc" ( _
    ByVal context As LongPtr, _
    ByVal toUArgs As LongPtr, _
    ByVal codeUnits As String, _
    ByVal length As Long, _
    ByVal reason As Long, _
    ByRef err As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

UCNV_TO_U_CALLBACK_SUBSTITUTE = ctypes.cdll.icuuc.UCNV_TO_U_CALLBACK_SUBSTITUTE
UCNV_TO_U_CALLBACK_SUBSTITUTE.restype = None
UCNV_TO_U_CALLBACK_SUBSTITUTE.argtypes = [
    ctypes.POINTER(None),  # context : void*
    ctypes.c_void_p,  # toUArgs : UConverterToUnicodeArgs* in/out
    wintypes.LPCSTR,  # codeUnits : LPCSTR
    ctypes.c_int,  # length : INT
    ctypes.c_int,  # reason : UConverterCallbackReason
    ctypes.c_void_p,  # err : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
UCNV_TO_U_CALLBACK_SUBSTITUTE = Fiddle::Function.new(
  lib['UCNV_TO_U_CALLBACK_SUBSTITUTE'],
  [
    Fiddle::TYPE_VOIDP,  # context : void*
    Fiddle::TYPE_VOIDP,  # toUArgs : UConverterToUnicodeArgs* in/out
    Fiddle::TYPE_VOIDP,  # codeUnits : LPCSTR
    Fiddle::TYPE_INT,  # length : INT
    Fiddle::TYPE_INT,  # reason : UConverterCallbackReason
    Fiddle::TYPE_VOIDP,  # err : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn UCNV_TO_U_CALLBACK_SUBSTITUTE(
        context: *const (),  // void*
        toUArgs: *mut UConverterToUnicodeArgs,  // UConverterToUnicodeArgs* in/out
        codeUnits: *const u8,  // LPCSTR
        length: i32,  // INT
        reason: i32,  // UConverterCallbackReason
        err: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void UCNV_TO_U_CALLBACK_SUBSTITUTE(IntPtr context, IntPtr toUArgs, [MarshalAs(UnmanagedType.LPStr)] string codeUnits, int length, int reason, ref int err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_UCNV_TO_U_CALLBACK_SUBSTITUTE' -Namespace Win32 -PassThru
# $api::UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err)

#uselib "icuuc.dll"
#func global UCNV_TO_U_CALLBACK_SUBSTITUTE "UCNV_TO_U_CALLBACK_SUBSTITUTE" sptr, sptr, sptr, sptr, sptr, sptr
; UCNV_TO_U_CALLBACK_SUBSTITUTE context, varptr(toUArgs), codeUnits, length, reason, varptr(err)
; context : void* -> "sptr"
; toUArgs : UConverterToUnicodeArgs* in/out -> "sptr"
; codeUnits : LPCSTR -> "sptr"
; length : INT -> "sptr"
; reason : UConverterCallbackReason -> "sptr"
; err : UErrorCode* in/out -> "sptr"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procUCNV_TO_U_CALLBACK_SUBSTITUTE = icuuc.NewProc("UCNV_TO_U_CALLBACK_SUBSTITUTE")
)

// context (void*), toUArgs (UConverterToUnicodeArgs* in/out), codeUnits (LPCSTR), length (INT), reason (UConverterCallbackReason), err (UErrorCode* in/out)
r1, _, err := procUCNV_TO_U_CALLBACK_SUBSTITUTE.Call(
	uintptr(context),
	uintptr(toUArgs),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(codeUnits))),
	uintptr(length),
	uintptr(reason),
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure UCNV_TO_U_CALLBACK_SUBSTITUTE(
  context: Pointer;   // void*
  toUArgs: Pointer;   // UConverterToUnicodeArgs* in/out
  codeUnits: PAnsiChar;   // LPCSTR
  length: Integer;   // INT
  reason: Integer;   // UConverterCallbackReason
  err: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'UCNV_TO_U_CALLBACK_SUBSTITUTE';

result := DllCall("icuuc\UCNV_TO_U_CALLBACK_SUBSTITUTE"
    , "Ptr", context   ; void*
    , "Ptr", toUArgs   ; UConverterToUnicodeArgs* in/out
    , "AStr", codeUnits   ; LPCSTR
    , "Int", length   ; INT
    , "Int", reason   ; UConverterCallbackReason
    , "Ptr", err   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err) = DLL("icuuc.dll", "int UCNV_TO_U_CALLBACK_SUBSTITUTE(void*, void*, char*, int, int, void*)")
# 呼び出し: UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err)
# context : void* -> "void*"
# toUArgs : UConverterToUnicodeArgs* in/out -> "void*"
# codeUnits : LPCSTR -> "char*"
# length : INT -> "int"
# reason : UConverterCallbackReason -> "int"
# err : 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 UCNV_TO_U_CALLBACK_SUBSTITUTE(
    context: ?*anyopaque, // void*
    toUArgs: [*c]UConverterToUnicodeArgs, // UConverterToUnicodeArgs* in/out
    codeUnits: [*c]const u8, // LPCSTR
    length: i32, // INT
    reason: i32, // UConverterCallbackReason
    err: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc UCNV_TO_U_CALLBACK_SUBSTITUTE(
    context: pointer,  # void*
    toUArgs: ptr UConverterToUnicodeArgs,  # UConverterToUnicodeArgs* in/out
    codeUnits: cstring,  # LPCSTR
    length: int32,  # INT
    reason: int32,  # UConverterCallbackReason
    err: ptr int32  # UErrorCode* in/out
) {.importc: "UCNV_TO_U_CALLBACK_SUBSTITUTE", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
void UCNV_TO_U_CALLBACK_SUBSTITUTE(
    void* context,   // void*
    UConverterToUnicodeArgs* toUArgs,   // UConverterToUnicodeArgs* in/out
    const(char)* codeUnits,   // LPCSTR
    int length,   // INT
    int reason,   // UConverterCallbackReason
    int* err   // UErrorCode* in/out
);

ccall((:UCNV_TO_U_CALLBACK_SUBSTITUTE, "icuuc.dll"), Cvoid,
      (Ptr{Cvoid}, Ptr{UConverterToUnicodeArgs}, Cstring, Int32, Int32, Ptr{Int32}),
      context, toUArgs, codeUnits, length, reason, err)
# context : void* -> Ptr{Cvoid}
# toUArgs : UConverterToUnicodeArgs* in/out -> Ptr{UConverterToUnicodeArgs}
# codeUnits : LPCSTR -> Cstring
# length : INT -> Int32
# reason : UConverterCallbackReason -> Int32
# err : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void UCNV_TO_U_CALLBACK_SUBSTITUTE(
    void* context,
    void* toUArgs,
    const char* codeUnits,
    int32_t length,
    int32_t reason,
    int32_t* err);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err)
-- context : void*
-- toUArgs : UConverterToUnicodeArgs* in/out
-- codeUnits : LPCSTR
-- length : INT
-- reason : UConverterCallbackReason
-- err : 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 UCNV_TO_U_CALLBACK_SUBSTITUTE = lib.func('__cdecl', 'UCNV_TO_U_CALLBACK_SUBSTITUTE', 'void', ['void *', 'void *', 'str', 'int32_t', 'int32_t', 'int32_t *']);
// UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err)
// context : void* -> 'void *'
// toUArgs : UConverterToUnicodeArgs* in/out -> 'void *'
// codeUnits : LPCSTR -> 'str'
// length : INT -> 'int32_t'
// reason : UConverterCallbackReason -> 'int32_t'
// err : 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", {
  UCNV_TO_U_CALLBACK_SUBSTITUTE: { parameters: ["pointer", "pointer", "buffer", "i32", "i32", "pointer"], result: "void" },
});
// lib.symbols.UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err)
// context : void* -> "pointer"
// toUArgs : UConverterToUnicodeArgs* in/out -> "pointer"
// codeUnits : LPCSTR -> "buffer"
// length : INT -> "i32"
// reason : UConverterCallbackReason -> "i32"
// err : 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 UCNV_TO_U_CALLBACK_SUBSTITUTE(
    void* context,
    void* toUArgs,
    const char* codeUnits,
    int32_t length,
    int32_t reason,
    int32_t* err);
C, "icuuc.dll");
// $ffi->UCNV_TO_U_CALLBACK_SUBSTITUTE(context, toUArgs, codeUnits, length, reason, err);
// context : void*
// toUArgs : UConverterToUnicodeArgs* in/out
// codeUnits : LPCSTR
// length : INT
// reason : UConverterCallbackReason
// err : 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);
    void UCNV_TO_U_CALLBACK_SUBSTITUTE(
        Pointer context,   // void*
        Pointer toUArgs,   // UConverterToUnicodeArgs* in/out
        String codeUnits,   // LPCSTR
        int length,   // INT
        int reason,   // UConverterCallbackReason
        IntByReference err   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun UCNV_TO_U_CALLBACK_SUBSTITUTE = UCNV_TO_U_CALLBACK_SUBSTITUTE(
    context : Void*,   # void*
    toUArgs : UConverterToUnicodeArgs*,   # UConverterToUnicodeArgs* in/out
    codeUnits : UInt8*,   # LPCSTR
    length : Int32,   # INT
    reason : Int32,   # UConverterCallbackReason
    err : 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 UCNV_TO_U_CALLBACK_SUBSTITUTENative = Void Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>, Int32, Int32, Pointer<Int32>);
typedef UCNV_TO_U_CALLBACK_SUBSTITUTEDart = void Function(Pointer<Void>, Pointer<Void>, Pointer<Utf8>, int, int, Pointer<Int32>);
final UCNV_TO_U_CALLBACK_SUBSTITUTE = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<UCNV_TO_U_CALLBACK_SUBSTITUTENative, UCNV_TO_U_CALLBACK_SUBSTITUTEDart>('UCNV_TO_U_CALLBACK_SUBSTITUTE');
// context : void* -> Pointer<Void>
// toUArgs : UConverterToUnicodeArgs* in/out -> Pointer<Void>
// codeUnits : LPCSTR -> Pointer<Utf8>
// length : INT -> Int32
// reason : UConverterCallbackReason -> Int32
// err : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure UCNV_TO_U_CALLBACK_SUBSTITUTE(
  context: Pointer;   // void*
  toUArgs: Pointer;   // UConverterToUnicodeArgs* in/out
  codeUnits: PAnsiChar;   // LPCSTR
  length: Integer;   // INT
  reason: Integer;   // UConverterCallbackReason
  err: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'UCNV_TO_U_CALLBACK_SUBSTITUTE';

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

foreign import ccall safe "UCNV_TO_U_CALLBACK_SUBSTITUTE"
  c_UCNV_TO_U_CALLBACK_SUBSTITUTE :: Ptr () -> Ptr () -> CString -> Int32 -> Int32 -> Ptr Int32 -> IO ()
-- context : void* -> Ptr ()
-- toUArgs : UConverterToUnicodeArgs* in/out -> Ptr ()
-- codeUnits : LPCSTR -> CString
-- length : INT -> Int32
-- reason : UConverterCallbackReason -> Int32
-- err : 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 ucnv_to_u_callback_substitute =
  foreign "UCNV_TO_U_CALLBACK_SUBSTITUTE"
    ((ptr void) @-> (ptr void) @-> string @-> int32_t @-> int32_t @-> (ptr int32_t) @-> returning void)
(* context : void* -> (ptr void) *)
(* toUArgs : UConverterToUnicodeArgs* in/out -> (ptr void) *)
(* codeUnits : LPCSTR -> string *)
(* length : INT -> int32_t *)
(* reason : UConverterCallbackReason -> int32_t *)
(* err : 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 ("UCNV_TO_U_CALLBACK_SUBSTITUTE" ucnv-to-u-callback-substitute :convention :cdecl) :void
  (context :pointer)   ; void*
  (to-uargs :pointer)   ; UConverterToUnicodeArgs* in/out
  (code-units :string)   ; LPCSTR
  (length :int32)   ; INT
  (reason :int32)   ; UConverterCallbackReason
  (err :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 $UCNV_TO_U_CALLBACK_SUBSTITUTE = Win32::API::More->new('icuuc',
    'void UCNV_TO_U_CALLBACK_SUBSTITUTE(LPVOID context, LPVOID toUArgs, LPCSTR codeUnits, int length, int reason, LPVOID err)');
# my $ret = $UCNV_TO_U_CALLBACK_SUBSTITUTE->Call($context, $toUArgs, $codeUnits, $length, $reason, $err);
# context : void* -> LPVOID
# toUArgs : UConverterToUnicodeArgs* in/out -> LPVOID
# codeUnits : LPCSTR -> LPCSTR
# length : INT -> int
# reason : UConverterCallbackReason -> int
# err : 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。