ucnv_setFromUCallBack

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

void ucnv_setFromUCallBack(
    UConverter* converter,
    UConverterFromUCallback newAction,
    const void* newContext,
    UConverterFromUCallback* oldAction,
    const void** oldContext,
    UErrorCode* err
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucnv_setFromUCallBack(
    ByRef converter As IntPtr,   ' UConverter* in/out
    newAction As IntPtr,   ' UConverterFromUCallback
    newContext As IntPtr,   ' void*
    oldAction As IntPtr,   ' UConverterFromUCallback* in/out
    oldContext As IntPtr,   ' void**
    ByRef err As Integer   ' UErrorCode* in/out
)
End Sub

' converter : UConverter* in/out
' newAction : UConverterFromUCallback
' newContext : void*
' oldAction : UConverterFromUCallback* in/out
' oldContext : void**
' err : UErrorCode* in/out
Declare PtrSafe Sub ucnv_setFromUCallBack Lib "icuuc" ( _
    ByRef converter As LongPtr, _
    ByVal newAction As LongPtr, _
    ByVal newContext As LongPtr, _
    ByVal oldAction As LongPtr, _
    ByVal oldContext As LongPtr, _
    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_setFromUCallBack = ctypes.cdll.icuuc.ucnv_setFromUCallBack
ucnv_setFromUCallBack.restype = None
ucnv_setFromUCallBack.argtypes = [
    ctypes.c_void_p,  # converter : UConverter* in/out
    ctypes.c_void_p,  # newAction : UConverterFromUCallback
    ctypes.POINTER(None),  # newContext : void*
    ctypes.c_void_p,  # oldAction : UConverterFromUCallback* in/out
    ctypes.c_void_p,  # oldContext : void**
    ctypes.c_void_p,  # err : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucnv_setFromUCallBack = Fiddle::Function.new(
  lib['ucnv_setFromUCallBack'],
  [
    Fiddle::TYPE_VOIDP,  # converter : UConverter* in/out
    Fiddle::TYPE_VOIDP,  # newAction : UConverterFromUCallback
    Fiddle::TYPE_VOIDP,  # newContext : void*
    Fiddle::TYPE_VOIDP,  # oldAction : UConverterFromUCallback* in/out
    Fiddle::TYPE_VOIDP,  # oldContext : void**
    Fiddle::TYPE_VOIDP,  # err : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucnv_setFromUCallBack(
        converter: *mut isize,  // UConverter* in/out
        newAction: *const core::ffi::c_void,  // UConverterFromUCallback
        newContext: *const (),  // void*
        oldAction: *mut *const core::ffi::c_void,  // UConverterFromUCallback* in/out
        oldContext: *const *const (),  // void**
        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_setFromUCallBack(ref IntPtr converter, IntPtr newAction, IntPtr newContext, IntPtr oldAction, IntPtr oldContext, ref int err);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucnv_setFromUCallBack' -Namespace Win32 -PassThru
# $api::ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err)

#uselib "icuuc.dll"
#func global ucnv_setFromUCallBack "ucnv_setFromUCallBack" sptr, sptr, sptr, sptr, sptr, sptr
; ucnv_setFromUCallBack varptr(converter), newAction, newContext, oldAction, oldContext, varptr(err)
; converter : UConverter* in/out -> "sptr"
; newAction : UConverterFromUCallback -> "sptr"
; newContext : void* -> "sptr"
; oldAction : UConverterFromUCallback* in/out -> "sptr"
; oldContext : void** -> "sptr"
; err : UErrorCode* in/out -> "sptr"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucnv_setFromUCallBack = icuuc.NewProc("ucnv_setFromUCallBack")
)

// converter (UConverter* in/out), newAction (UConverterFromUCallback), newContext (void*), oldAction (UConverterFromUCallback* in/out), oldContext (void**), err (UErrorCode* in/out)
r1, _, err := procucnv_setFromUCallBack.Call(
	uintptr(converter),
	uintptr(newAction),
	uintptr(newContext),
	uintptr(oldAction),
	uintptr(oldContext),
	uintptr(err),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucnv_setFromUCallBack(
  converter: Pointer;   // UConverter* in/out
  newAction: Pointer;   // UConverterFromUCallback
  newContext: Pointer;   // void*
  oldAction: Pointer;   // UConverterFromUCallback* in/out
  oldContext: Pointer;   // void**
  err: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ucnv_setFromUCallBack';

result := DllCall("icuuc\ucnv_setFromUCallBack"
    , "Ptr", converter   ; UConverter* in/out
    , "Ptr", newAction   ; UConverterFromUCallback
    , "Ptr", newContext   ; void*
    , "Ptr", oldAction   ; UConverterFromUCallback* in/out
    , "Ptr", oldContext   ; void**
    , "Ptr", err   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err) = DLL("icuuc.dll", "int ucnv_setFromUCallBack(void*, void*, void*, void*, void*, void*)")
# 呼び出し: ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err)
# converter : UConverter* in/out -> "void*"
# newAction : UConverterFromUCallback -> "void*"
# newContext : void* -> "void*"
# oldAction : UConverterFromUCallback* in/out -> "void*"
# oldContext : void** -> "void*"
# 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_setFromUCallBack(
    converter: [*c]isize, // UConverter* in/out
    newAction: ?*anyopaque, // UConverterFromUCallback
    newContext: ?*anyopaque, // void*
    oldAction: ?*anyopaque, // UConverterFromUCallback* in/out
    oldContext: ?*anyopaque, // void**
    err: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc ucnv_setFromUCallBack(
    `converter`: ptr int,  # UConverter* in/out
    newAction: pointer,  # UConverterFromUCallback
    newContext: pointer,  # void*
    oldAction: pointer,  # UConverterFromUCallback* in/out
    oldContext: pointer,  # void**
    err: ptr int32  # UErrorCode* in/out
) {.importc: "ucnv_setFromUCallBack", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
void ucnv_setFromUCallBack(
    ptrdiff_t* converter,   // UConverter* in/out
    void* newAction,   // UConverterFromUCallback
    void* newContext,   // void*
    void* oldAction,   // UConverterFromUCallback* in/out
    void** oldContext,   // void**
    int* err   // UErrorCode* in/out
);

ccall((:ucnv_setFromUCallBack, "icuuc.dll"), Cvoid,
      (Ptr{Int}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Int32}),
      converter, newAction, newContext, oldAction, oldContext, err)
# converter : UConverter* in/out -> Ptr{Int}
# newAction : UConverterFromUCallback -> Ptr{Cvoid}
# newContext : void* -> Ptr{Cvoid}
# oldAction : UConverterFromUCallback* in/out -> Ptr{Cvoid}
# oldContext : void** -> Ptr{Cvoid}
# err : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void ucnv_setFromUCallBack(
    intptr_t* converter,
    void* newAction,
    void* newContext,
    void* oldAction,
    void** oldContext,
    int32_t* err);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err)
-- converter : UConverter* in/out
-- newAction : UConverterFromUCallback
-- newContext : void*
-- oldAction : UConverterFromUCallback* in/out
-- oldContext : void**
-- 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_setFromUCallBack = lib.func('__cdecl', 'ucnv_setFromUCallBack', 'void', ['intptr_t *', 'void *', 'void *', 'void *', 'void *', 'int32_t *']);
// ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err)
// converter : UConverter* in/out -> 'intptr_t *'
// newAction : UConverterFromUCallback -> 'void *'
// newContext : void* -> 'void *'
// oldAction : UConverterFromUCallback* in/out -> 'void *'
// oldContext : void** -> 'void *'
// 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。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("icuuc.dll", {
  ucnv_setFromUCallBack: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "void" },
});
// lib.symbols.ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err)
// converter : UConverter* in/out -> "pointer"
// newAction : UConverterFromUCallback -> "pointer"
// newContext : void* -> "pointer"
// oldAction : UConverterFromUCallback* in/out -> "pointer"
// oldContext : void** -> "pointer"
// 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_setFromUCallBack(
    intptr_t* converter,
    void* newAction,
    void* newContext,
    void* oldAction,
    void** oldContext,
    int32_t* err);
C, "icuuc.dll");
// $ffi->ucnv_setFromUCallBack(converter, newAction, newContext, oldAction, oldContext, err);
// converter : UConverter* in/out
// newAction : UConverterFromUCallback
// newContext : void*
// oldAction : UConverterFromUCallback* in/out
// oldContext : void**
// 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_setFromUCallBack(
        LongByReference converter,   // UConverter* in/out
        Callback newAction,   // UConverterFromUCallback
        Pointer newContext,   // void*
        Callback oldAction,   // UConverterFromUCallback* in/out
        Pointer oldContext,   // void**
        IntByReference err   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ucnv_setFromUCallBack = ucnv_setFromUCallBack(
    converter : LibC::SSizeT*,   # UConverter* in/out
    newAction : Void*,   # UConverterFromUCallback
    newContext : Void*,   # void*
    oldAction : Void*,   # UConverterFromUCallback* in/out
    oldContext : Void**,   # void**
    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_setFromUCallBackNative = Void Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Int32>);
typedef ucnv_setFromUCallBackDart = void Function(Pointer<IntPtr>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Int32>);
final ucnv_setFromUCallBack = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ucnv_setFromUCallBackNative, ucnv_setFromUCallBackDart>('ucnv_setFromUCallBack');
// converter : UConverter* in/out -> Pointer<IntPtr>
// newAction : UConverterFromUCallback -> Pointer<Void>
// newContext : void* -> Pointer<Void>
// oldAction : UConverterFromUCallback* in/out -> Pointer<Void>
// oldContext : void** -> Pointer<Void>
// err : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure ucnv_setFromUCallBack(
  converter: Pointer;   // UConverter* in/out
  newAction: Pointer;   // UConverterFromUCallback
  newContext: Pointer;   // void*
  oldAction: Pointer;   // UConverterFromUCallback* in/out
  oldContext: Pointer;   // void**
  err: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ucnv_setFromUCallBack';

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

foreign import ccall safe "ucnv_setFromUCallBack"
  c_ucnv_setFromUCallBack :: Ptr CIntPtr -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> Ptr Int32 -> IO ()
-- converter : UConverter* in/out -> Ptr CIntPtr
-- newAction : UConverterFromUCallback -> Ptr ()
-- newContext : void* -> Ptr ()
-- oldAction : UConverterFromUCallback* in/out -> Ptr ()
-- oldContext : void** -> Ptr ()
-- 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_setfromucallback =
  foreign "ucnv_setFromUCallBack"
    ((ptr intptr_t) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr int32_t) @-> returning void)
(* converter : UConverter* in/out -> (ptr intptr_t) *)
(* newAction : UConverterFromUCallback -> (ptr void) *)
(* newContext : void* -> (ptr void) *)
(* oldAction : UConverterFromUCallback* in/out -> (ptr void) *)
(* oldContext : void** -> (ptr void) *)
(* 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_setFromUCallBack" ucnv-set-from-ucall-back :convention :cdecl) :void
  (converter :pointer)   ; UConverter* in/out
  (new-action :pointer)   ; UConverterFromUCallback
  (new-context :pointer)   ; void*
  (old-action :pointer)   ; UConverterFromUCallback* in/out
  (old-context :pointer)   ; void**
  (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_setFromUCallBack = Win32::API::More->new('icuuc',
    'void ucnv_setFromUCallBack(LPVOID converter, LPVOID newAction, LPVOID newContext, LPVOID oldAction, LPVOID oldContext, LPVOID err)');
# my $ret = $ucnv_setFromUCallBack->Call($converter, $newAction, $newContext, $oldAction, $oldContext, $err);
# converter : UConverter* in/out -> LPVOID
# newAction : UConverterFromUCallback -> LPVOID
# newContext : void* -> LPVOID
# oldAction : UConverterFromUCallback* in/out -> LPVOID
# oldContext : void** -> LPVOID
# 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。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。