ucnv_convertEx

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

void ucnv_convertEx(
    UConverter* targetCnv,
    UConverter* sourceCnv,
    CHAR** target,
    LPCSTR targetLimit,
    const CHAR** source,
    LPCSTR sourceLimit,
    WORD* pivotStart,
    WORD** pivotSource,
    WORD** pivotTarget,
    const WORD* pivotLimit,
    CHAR reset,
    CHAR flush,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucnv_convertEx(
    ByRef targetCnv As IntPtr,   ' UConverter* in/out
    ByRef sourceCnv As IntPtr,   ' UConverter* in/out
    target As IntPtr,   ' CHAR** in/out
    <MarshalAs(UnmanagedType.LPStr)> targetLimit As String,   ' LPCSTR
    source As IntPtr,   ' CHAR**
    <MarshalAs(UnmanagedType.LPStr)> sourceLimit As String,   ' LPCSTR
    ByRef pivotStart As UShort,   ' WORD* in/out
    pivotSource As IntPtr,   ' WORD** in/out
    pivotTarget As IntPtr,   ' WORD** in/out
    ByRef pivotLimit As UShort,   ' WORD*
    reset As SByte,   ' CHAR
    flush As SByte,   ' CHAR
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
)
End Sub

' targetCnv : UConverter* in/out
' sourceCnv : UConverter* in/out
' target : CHAR** in/out
' targetLimit : LPCSTR
' source : CHAR**
' sourceLimit : LPCSTR
' pivotStart : WORD* in/out
' pivotSource : WORD** in/out
' pivotTarget : WORD** in/out
' pivotLimit : WORD*
' reset : CHAR
' flush : CHAR
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Sub ucnv_convertEx Lib "icuuc" ( _
    ByRef targetCnv As LongPtr, _
    ByRef sourceCnv As LongPtr, _
    ByVal target As LongPtr, _
    ByVal targetLimit As String, _
    ByVal source As LongPtr, _
    ByVal sourceLimit As String, _
    ByRef pivotStart As Integer, _
    ByVal pivotSource As LongPtr, _
    ByVal pivotTarget As LongPtr, _
    ByRef pivotLimit As Integer, _
    ByVal reset As Byte, _
    ByVal flush As Byte, _
    ByRef pErrorCode 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_convertEx = ctypes.cdll.icuuc.ucnv_convertEx
ucnv_convertEx.restype = None
ucnv_convertEx.argtypes = [
    ctypes.c_void_p,  # targetCnv : UConverter* in/out
    ctypes.c_void_p,  # sourceCnv : UConverter* in/out
    ctypes.c_void_p,  # target : CHAR** in/out
    wintypes.LPCSTR,  # targetLimit : LPCSTR
    ctypes.c_void_p,  # source : CHAR**
    wintypes.LPCSTR,  # sourceLimit : LPCSTR
    ctypes.POINTER(ctypes.c_ushort),  # pivotStart : WORD* in/out
    ctypes.c_void_p,  # pivotSource : WORD** in/out
    ctypes.c_void_p,  # pivotTarget : WORD** in/out
    ctypes.POINTER(ctypes.c_ushort),  # pivotLimit : WORD*
    ctypes.c_byte,  # reset : CHAR
    ctypes.c_byte,  # flush : CHAR
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucnv_convertEx = Fiddle::Function.new(
  lib['ucnv_convertEx'],
  [
    Fiddle::TYPE_VOIDP,  # targetCnv : UConverter* in/out
    Fiddle::TYPE_VOIDP,  # sourceCnv : UConverter* in/out
    Fiddle::TYPE_VOIDP,  # target : CHAR** in/out
    Fiddle::TYPE_VOIDP,  # targetLimit : LPCSTR
    Fiddle::TYPE_VOIDP,  # source : CHAR**
    Fiddle::TYPE_VOIDP,  # sourceLimit : LPCSTR
    Fiddle::TYPE_VOIDP,  # pivotStart : WORD* in/out
    Fiddle::TYPE_VOIDP,  # pivotSource : WORD** in/out
    Fiddle::TYPE_VOIDP,  # pivotTarget : WORD** in/out
    Fiddle::TYPE_VOIDP,  # pivotLimit : WORD*
    Fiddle::TYPE_CHAR,  # reset : CHAR
    Fiddle::TYPE_CHAR,  # flush : CHAR
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucnv_convertEx(
        targetCnv: *mut isize,  // UConverter* in/out
        sourceCnv: *mut isize,  // UConverter* in/out
        target: *mut *mut i8,  // CHAR** in/out
        targetLimit: *const u8,  // LPCSTR
        source: *const *const i8,  // CHAR**
        sourceLimit: *const u8,  // LPCSTR
        pivotStart: *mut u16,  // WORD* in/out
        pivotSource: *mut *mut u16,  // WORD** in/out
        pivotTarget: *mut *mut u16,  // WORD** in/out
        pivotLimit: *const u16,  // WORD*
        reset: i8,  // CHAR
        flush: i8,  // CHAR
        pErrorCode: *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_convertEx(ref IntPtr targetCnv, ref IntPtr sourceCnv, IntPtr target, [MarshalAs(UnmanagedType.LPStr)] string targetLimit, IntPtr source, [MarshalAs(UnmanagedType.LPStr)] string sourceLimit, ref ushort pivotStart, IntPtr pivotSource, IntPtr pivotTarget, ref ushort pivotLimit, sbyte reset, sbyte flush, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucnv_convertEx' -Namespace Win32 -PassThru
# $api::ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)

#uselib "icuuc.dll"
#func global ucnv_convertEx "ucnv_convertEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; ucnv_convertEx varptr(targetCnv), varptr(sourceCnv), varptr(target), targetLimit, varptr(source), sourceLimit, varptr(pivotStart), varptr(pivotSource), varptr(pivotTarget), varptr(pivotLimit), reset, flush, varptr(pErrorCode)
; targetCnv : UConverter* in/out -> "sptr"
; sourceCnv : UConverter* in/out -> "sptr"
; target : CHAR** in/out -> "sptr"
; targetLimit : LPCSTR -> "sptr"
; source : CHAR** -> "sptr"
; sourceLimit : LPCSTR -> "sptr"
; pivotStart : WORD* in/out -> "sptr"
; pivotSource : WORD** in/out -> "sptr"
; pivotTarget : WORD** in/out -> "sptr"
; pivotLimit : WORD* -> "sptr"
; reset : CHAR -> "sptr"
; flush : CHAR -> "sptr"
; pErrorCode : UErrorCode* in/out -> "sptr"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucnv_convertEx = icuuc.NewProc("ucnv_convertEx")
)

// targetCnv (UConverter* in/out), sourceCnv (UConverter* in/out), target (CHAR** in/out), targetLimit (LPCSTR), source (CHAR**), sourceLimit (LPCSTR), pivotStart (WORD* in/out), pivotSource (WORD** in/out), pivotTarget (WORD** in/out), pivotLimit (WORD*), reset (CHAR), flush (CHAR), pErrorCode (UErrorCode* in/out)
r1, _, err := procucnv_convertEx.Call(
	uintptr(targetCnv),
	uintptr(sourceCnv),
	uintptr(target),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(targetLimit))),
	uintptr(source),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(sourceLimit))),
	uintptr(pivotStart),
	uintptr(pivotSource),
	uintptr(pivotTarget),
	uintptr(pivotLimit),
	uintptr(reset),
	uintptr(flush),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucnv_convertEx(
  targetCnv: Pointer;   // UConverter* in/out
  sourceCnv: Pointer;   // UConverter* in/out
  target: Pointer;   // CHAR** in/out
  targetLimit: PAnsiChar;   // LPCSTR
  source: Pointer;   // CHAR**
  sourceLimit: PAnsiChar;   // LPCSTR
  pivotStart: Pointer;   // WORD* in/out
  pivotSource: Pointer;   // WORD** in/out
  pivotTarget: Pointer;   // WORD** in/out
  pivotLimit: Pointer;   // WORD*
  reset: Shortint;   // CHAR
  flush: Shortint;   // CHAR
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ucnv_convertEx';

result := DllCall("icuuc\ucnv_convertEx"
    , "Ptr", targetCnv   ; UConverter* in/out
    , "Ptr", sourceCnv   ; UConverter* in/out
    , "Ptr", target   ; CHAR** in/out
    , "AStr", targetLimit   ; LPCSTR
    , "Ptr", source   ; CHAR**
    , "AStr", sourceLimit   ; LPCSTR
    , "Ptr", pivotStart   ; WORD* in/out
    , "Ptr", pivotSource   ; WORD** in/out
    , "Ptr", pivotTarget   ; WORD** in/out
    , "Ptr", pivotLimit   ; WORD*
    , "Char", reset   ; CHAR
    , "Char", flush   ; CHAR
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode) = DLL("icuuc.dll", "int ucnv_convertEx(void*, void*, void*, char*, void*, char*, void*, void*, void*, void*, char, char, void*)")
# 呼び出し: ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)
# targetCnv : UConverter* in/out -> "void*"
# sourceCnv : UConverter* in/out -> "void*"
# target : CHAR** in/out -> "void*"
# targetLimit : LPCSTR -> "char*"
# source : CHAR** -> "void*"
# sourceLimit : LPCSTR -> "char*"
# pivotStart : WORD* in/out -> "void*"
# pivotSource : WORD** in/out -> "void*"
# pivotTarget : WORD** in/out -> "void*"
# pivotLimit : WORD* -> "void*"
# reset : CHAR -> "char"
# flush : CHAR -> "char"
# pErrorCode : 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_convertEx(
    targetCnv: [*c]isize, // UConverter* in/out
    sourceCnv: [*c]isize, // UConverter* in/out
    target: [*c][*c]i8, // CHAR** in/out
    targetLimit: [*c]const u8, // LPCSTR
    source: [*c][*c]i8, // CHAR**
    sourceLimit: [*c]const u8, // LPCSTR
    pivotStart: [*c]u16, // WORD* in/out
    pivotSource: [*c][*c]u16, // WORD** in/out
    pivotTarget: [*c][*c]u16, // WORD** in/out
    pivotLimit: [*c]u16, // WORD*
    reset: i8, // CHAR
    flush: i8, // CHAR
    pErrorCode: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc ucnv_convertEx(
    targetCnv: ptr int,  # UConverter* in/out
    sourceCnv: ptr int,  # UConverter* in/out
    target: ptr int8,  # CHAR** in/out
    targetLimit: cstring,  # LPCSTR
    source: ptr int8,  # CHAR**
    sourceLimit: cstring,  # LPCSTR
    pivotStart: ptr uint16,  # WORD* in/out
    pivotSource: ptr uint16,  # WORD** in/out
    pivotTarget: ptr uint16,  # WORD** in/out
    pivotLimit: ptr uint16,  # WORD*
    reset: int8,  # CHAR
    flush: int8,  # CHAR
    pErrorCode: ptr int32  # UErrorCode* in/out
) {.importc: "ucnv_convertEx", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
void ucnv_convertEx(
    ptrdiff_t* targetCnv,   // UConverter* in/out
    ptrdiff_t* sourceCnv,   // UConverter* in/out
    byte** target,   // CHAR** in/out
    const(char)* targetLimit,   // LPCSTR
    byte** source,   // CHAR**
    const(char)* sourceLimit,   // LPCSTR
    ushort* pivotStart,   // WORD* in/out
    ushort** pivotSource,   // WORD** in/out
    ushort** pivotTarget,   // WORD** in/out
    ushort* pivotLimit,   // WORD*
    byte reset,   // CHAR
    byte flush,   // CHAR
    int* pErrorCode   // UErrorCode* in/out
);

ccall((:ucnv_convertEx, "icuuc.dll"), Cvoid,
      (Ptr{Int}, Ptr{Int}, Ptr{Int8}, Cstring, Ptr{Int8}, Cstring, Ptr{UInt16}, Ptr{UInt16}, Ptr{UInt16}, Ptr{UInt16}, Int8, Int8, Ptr{Int32}),
      targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)
# targetCnv : UConverter* in/out -> Ptr{Int}
# sourceCnv : UConverter* in/out -> Ptr{Int}
# target : CHAR** in/out -> Ptr{Int8}
# targetLimit : LPCSTR -> Cstring
# source : CHAR** -> Ptr{Int8}
# sourceLimit : LPCSTR -> Cstring
# pivotStart : WORD* in/out -> Ptr{UInt16}
# pivotSource : WORD** in/out -> Ptr{UInt16}
# pivotTarget : WORD** in/out -> Ptr{UInt16}
# pivotLimit : WORD* -> Ptr{UInt16}
# reset : CHAR -> Int8
# flush : CHAR -> Int8
# pErrorCode : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void ucnv_convertEx(
    intptr_t* targetCnv,
    intptr_t* sourceCnv,
    int8_t** target,
    const char* targetLimit,
    int8_t** source,
    const char* sourceLimit,
    uint16_t* pivotStart,
    uint16_t** pivotSource,
    uint16_t** pivotTarget,
    uint16_t* pivotLimit,
    int8_t reset,
    int8_t flush,
    int32_t* pErrorCode);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)
-- targetCnv : UConverter* in/out
-- sourceCnv : UConverter* in/out
-- target : CHAR** in/out
-- targetLimit : LPCSTR
-- source : CHAR**
-- sourceLimit : LPCSTR
-- pivotStart : WORD* in/out
-- pivotSource : WORD** in/out
-- pivotTarget : WORD** in/out
-- pivotLimit : WORD*
-- reset : CHAR
-- flush : CHAR
-- pErrorCode : 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_convertEx = lib.func('__cdecl', 'ucnv_convertEx', 'void', ['intptr_t *', 'intptr_t *', 'int8_t *', 'str', 'int8_t *', 'str', 'uint16_t *', 'uint16_t *', 'uint16_t *', 'uint16_t *', 'int8_t', 'int8_t', 'int32_t *']);
// ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)
// targetCnv : UConverter* in/out -> 'intptr_t *'
// sourceCnv : UConverter* in/out -> 'intptr_t *'
// target : CHAR** in/out -> 'int8_t *'
// targetLimit : LPCSTR -> 'str'
// source : CHAR** -> 'int8_t *'
// sourceLimit : LPCSTR -> 'str'
// pivotStart : WORD* in/out -> 'uint16_t *'
// pivotSource : WORD** in/out -> 'uint16_t *'
// pivotTarget : WORD** in/out -> 'uint16_t *'
// pivotLimit : WORD* -> 'uint16_t *'
// reset : CHAR -> 'int8_t'
// flush : CHAR -> 'int8_t'
// pErrorCode : 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_convertEx: { parameters: ["pointer", "pointer", "pointer", "buffer", "pointer", "buffer", "pointer", "pointer", "pointer", "pointer", "i8", "i8", "pointer"], result: "void" },
});
// lib.symbols.ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode)
// targetCnv : UConverter* in/out -> "pointer"
// sourceCnv : UConverter* in/out -> "pointer"
// target : CHAR** in/out -> "pointer"
// targetLimit : LPCSTR -> "buffer"
// source : CHAR** -> "pointer"
// sourceLimit : LPCSTR -> "buffer"
// pivotStart : WORD* in/out -> "pointer"
// pivotSource : WORD** in/out -> "pointer"
// pivotTarget : WORD** in/out -> "pointer"
// pivotLimit : WORD* -> "pointer"
// reset : CHAR -> "i8"
// flush : CHAR -> "i8"
// pErrorCode : 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_convertEx(
    intptr_t* targetCnv,
    intptr_t* sourceCnv,
    int8_t** target,
    const char* targetLimit,
    int8_t** source,
    const char* sourceLimit,
    uint16_t* pivotStart,
    uint16_t** pivotSource,
    uint16_t** pivotTarget,
    uint16_t* pivotLimit,
    int8_t reset,
    int8_t flush,
    int32_t* pErrorCode);
C, "icuuc.dll");
// $ffi->ucnv_convertEx(targetCnv, sourceCnv, target, targetLimit, source, sourceLimit, pivotStart, pivotSource, pivotTarget, pivotLimit, reset, flush, pErrorCode);
// targetCnv : UConverter* in/out
// sourceCnv : UConverter* in/out
// target : CHAR** in/out
// targetLimit : LPCSTR
// source : CHAR**
// sourceLimit : LPCSTR
// pivotStart : WORD* in/out
// pivotSource : WORD** in/out
// pivotTarget : WORD** in/out
// pivotLimit : WORD*
// reset : CHAR
// flush : CHAR
// pErrorCode : 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_convertEx(
        LongByReference targetCnv,   // UConverter* in/out
        LongByReference sourceCnv,   // UConverter* in/out
        Pointer target,   // CHAR** in/out
        String targetLimit,   // LPCSTR
        Pointer source,   // CHAR**
        String sourceLimit,   // LPCSTR
        ShortByReference pivotStart,   // WORD* in/out
        Pointer pivotSource,   // WORD** in/out
        Pointer pivotTarget,   // WORD** in/out
        ShortByReference pivotLimit,   // WORD*
        byte reset,   // CHAR
        byte flush,   // CHAR
        IntByReference pErrorCode   // UErrorCode* in/out
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun ucnv_convertEx = ucnv_convertEx(
    targetCnv : LibC::SSizeT*,   # UConverter* in/out
    sourceCnv : LibC::SSizeT*,   # UConverter* in/out
    target : Int8**,   # CHAR** in/out
    targetLimit : UInt8*,   # LPCSTR
    source : Int8**,   # CHAR**
    sourceLimit : UInt8*,   # LPCSTR
    pivotStart : UInt16*,   # WORD* in/out
    pivotSource : UInt16**,   # WORD** in/out
    pivotTarget : UInt16**,   # WORD** in/out
    pivotLimit : UInt16*,   # WORD*
    reset : Int8,   # CHAR
    flush : Int8,   # CHAR
    pErrorCode : 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_convertExNative = Void Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<Int8>, Pointer<Utf8>, Pointer<Int8>, Pointer<Utf8>, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>, Int8, Int8, Pointer<Int32>);
typedef ucnv_convertExDart = void Function(Pointer<IntPtr>, Pointer<IntPtr>, Pointer<Int8>, Pointer<Utf8>, Pointer<Int8>, Pointer<Utf8>, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>, Pointer<Uint16>, int, int, Pointer<Int32>);
final ucnv_convertEx = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<ucnv_convertExNative, ucnv_convertExDart>('ucnv_convertEx');
// targetCnv : UConverter* in/out -> Pointer<IntPtr>
// sourceCnv : UConverter* in/out -> Pointer<IntPtr>
// target : CHAR** in/out -> Pointer<Int8>
// targetLimit : LPCSTR -> Pointer<Utf8>
// source : CHAR** -> Pointer<Int8>
// sourceLimit : LPCSTR -> Pointer<Utf8>
// pivotStart : WORD* in/out -> Pointer<Uint16>
// pivotSource : WORD** in/out -> Pointer<Uint16>
// pivotTarget : WORD** in/out -> Pointer<Uint16>
// pivotLimit : WORD* -> Pointer<Uint16>
// reset : CHAR -> Int8
// flush : CHAR -> Int8
// pErrorCode : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure ucnv_convertEx(
  targetCnv: Pointer;   // UConverter* in/out
  sourceCnv: Pointer;   // UConverter* in/out
  target: Pointer;   // CHAR** in/out
  targetLimit: PAnsiChar;   // LPCSTR
  source: Pointer;   // CHAR**
  sourceLimit: PAnsiChar;   // LPCSTR
  pivotStart: Pointer;   // WORD* in/out
  pivotSource: Pointer;   // WORD** in/out
  pivotTarget: Pointer;   // WORD** in/out
  pivotLimit: Pointer;   // WORD*
  reset: Shortint;   // CHAR
  flush: Shortint;   // CHAR
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ucnv_convertEx';

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

foreign import ccall safe "ucnv_convertEx"
  c_ucnv_convertEx :: Ptr CIntPtr -> Ptr CIntPtr -> Ptr Int8 -> CString -> Ptr Int8 -> CString -> Ptr Word16 -> Ptr Word16 -> Ptr Word16 -> Ptr Word16 -> Int8 -> Int8 -> Ptr Int32 -> IO ()
-- targetCnv : UConverter* in/out -> Ptr CIntPtr
-- sourceCnv : UConverter* in/out -> Ptr CIntPtr
-- target : CHAR** in/out -> Ptr Int8
-- targetLimit : LPCSTR -> CString
-- source : CHAR** -> Ptr Int8
-- sourceLimit : LPCSTR -> CString
-- pivotStart : WORD* in/out -> Ptr Word16
-- pivotSource : WORD** in/out -> Ptr Word16
-- pivotTarget : WORD** in/out -> Ptr Word16
-- pivotLimit : WORD* -> Ptr Word16
-- reset : CHAR -> Int8
-- flush : CHAR -> Int8
-- pErrorCode : 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_convertex =
  foreign "ucnv_convertEx"
    ((ptr intptr_t) @-> (ptr intptr_t) @-> (ptr int8_t) @-> string @-> (ptr int8_t) @-> string @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> int8_t @-> int8_t @-> (ptr int32_t) @-> returning void)
(* targetCnv : UConverter* in/out -> (ptr intptr_t) *)
(* sourceCnv : UConverter* in/out -> (ptr intptr_t) *)
(* target : CHAR** in/out -> (ptr int8_t) *)
(* targetLimit : LPCSTR -> string *)
(* source : CHAR** -> (ptr int8_t) *)
(* sourceLimit : LPCSTR -> string *)
(* pivotStart : WORD* in/out -> (ptr uint16_t) *)
(* pivotSource : WORD** in/out -> (ptr uint16_t) *)
(* pivotTarget : WORD** in/out -> (ptr uint16_t) *)
(* pivotLimit : WORD* -> (ptr uint16_t) *)
(* reset : CHAR -> int8_t *)
(* flush : CHAR -> int8_t *)
(* pErrorCode : 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_convertEx" ucnv-convert-ex :convention :cdecl) :void
  (target-cnv :pointer)   ; UConverter* in/out
  (source-cnv :pointer)   ; UConverter* in/out
  (target :pointer)   ; CHAR** in/out
  (target-limit :string)   ; LPCSTR
  (source :pointer)   ; CHAR**
  (source-limit :string)   ; LPCSTR
  (pivot-start :pointer)   ; WORD* in/out
  (pivot-source :pointer)   ; WORD** in/out
  (pivot-target :pointer)   ; WORD** in/out
  (pivot-limit :pointer)   ; WORD*
  (reset :int8)   ; CHAR
  (flush :int8)   ; CHAR
  (p-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 $ucnv_convertEx = Win32::API::More->new('icuuc',
    'void ucnv_convertEx(LPVOID targetCnv, LPVOID sourceCnv, LPVOID target, LPCSTR targetLimit, LPVOID source, LPCSTR sourceLimit, LPVOID pivotStart, LPVOID pivotSource, LPVOID pivotTarget, LPVOID pivotLimit, char reset, char flush, LPVOID pErrorCode)');
# my $ret = $ucnv_convertEx->Call($targetCnv, $sourceCnv, $target, $targetLimit, $source, $sourceLimit, $pivotStart, $pivotSource, $pivotTarget, $pivotLimit, $reset, $flush, $pErrorCode);
# targetCnv : UConverter* in/out -> LPVOID
# sourceCnv : UConverter* in/out -> LPVOID
# target : CHAR** in/out -> LPVOID
# targetLimit : LPCSTR -> LPCSTR
# source : CHAR** -> LPVOID
# sourceLimit : LPCSTR -> LPCSTR
# pivotStart : WORD* in/out -> LPVOID
# pivotSource : WORD** in/out -> LPVOID
# pivotTarget : WORD** in/out -> LPVOID
# pivotLimit : WORD* -> LPVOID
# reset : CHAR -> char
# flush : CHAR -> char
# pErrorCode : 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。