ucnvsel_open

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

UConverterSelector* ucnvsel_open(
    const CHAR** converterList,
    INT converterListSize,
    const USet* excludedCodePoints,
    UConverterUnicodeSet whichSet,
    UErrorCode* status
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucnvsel_open(
    converterList As IntPtr,   ' CHAR**
    converterListSize As Integer,   ' INT
    ByRef excludedCodePoints As IntPtr,   ' USet*
    whichSet As Integer,   ' UConverterUnicodeSet
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' converterList : CHAR**
' converterListSize : INT
' excludedCodePoints : USet*
' whichSet : UConverterUnicodeSet
' status : UErrorCode* in/out
Declare PtrSafe Function ucnvsel_open Lib "icuuc" ( _
    ByVal converterList As LongPtr, _
    ByVal converterListSize As Long, _
    ByRef excludedCodePoints As LongPtr, _
    ByVal whichSet As Long, _
    ByRef status As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucnvsel_open = ctypes.cdll.icuuc.ucnvsel_open
ucnvsel_open.restype = ctypes.c_void_p
ucnvsel_open.argtypes = [
    ctypes.c_void_p,  # converterList : CHAR**
    ctypes.c_int,  # converterListSize : INT
    ctypes.c_void_p,  # excludedCodePoints : USet*
    ctypes.c_int,  # whichSet : UConverterUnicodeSet
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucnvsel_open = Fiddle::Function.new(
  lib['ucnvsel_open'],
  [
    Fiddle::TYPE_VOIDP,  # converterList : CHAR**
    Fiddle::TYPE_INT,  # converterListSize : INT
    Fiddle::TYPE_VOIDP,  # excludedCodePoints : USet*
    Fiddle::TYPE_INT,  # whichSet : UConverterUnicodeSet
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucnvsel_open(
        converterList: *const *const i8,  // CHAR**
        converterListSize: i32,  // INT
        excludedCodePoints: *const isize,  // USet*
        whichSet: i32,  // UConverterUnicodeSet
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ucnvsel_open(IntPtr converterList, int converterListSize, ref IntPtr excludedCodePoints, int whichSet, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ucnvsel_open' -Namespace Win32 -PassThru
# $api::ucnvsel_open(converterList, converterListSize, excludedCodePoints, whichSet, status)

#uselib "icuuc.dll"
#func global ucnvsel_open "ucnvsel_open" sptr, sptr, sptr, sptr, sptr
; ucnvsel_open varptr(converterList), converterListSize, excludedCodePoints, whichSet, status   ; 戻り値は stat
; converterList : CHAR** -> "sptr"
; converterListSize : INT -> "sptr"
; excludedCodePoints : USet* -> "sptr"
; whichSet : UConverterUnicodeSet -> "sptr"
; status : 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。

#uselib "icuuc.dll"
#cfunc global ucnvsel_open "ucnvsel_open" var, int, int, int, int
; res = ucnvsel_open(converterList, converterListSize, excludedCodePoints, whichSet, status)
; converterList : CHAR** -> "var"
; converterListSize : INT -> "int"
; excludedCodePoints : USet* -> "int"
; whichSet : UConverterUnicodeSet -> "int"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; UConverterSelector* ucnvsel_open(CHAR** converterList, INT converterListSize, USet* excludedCodePoints, UConverterUnicodeSet whichSet, UErrorCode* status)
#uselib "icuuc.dll"
#cfunc global ucnvsel_open "ucnvsel_open" var, int, int, int, int
; res = ucnvsel_open(converterList, converterListSize, excludedCodePoints, whichSet, status)
; converterList : CHAR** -> "var"
; converterListSize : INT -> "int"
; excludedCodePoints : USet* -> "int"
; whichSet : UConverterUnicodeSet -> "int"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucnvsel_open = icuuc.NewProc("ucnvsel_open")
)

// converterList (CHAR**), converterListSize (INT), excludedCodePoints (USet*), whichSet (UConverterUnicodeSet), status (UErrorCode* in/out)
r1, _, err := procucnvsel_open.Call(
	uintptr(converterList),
	uintptr(converterListSize),
	uintptr(excludedCodePoints),
	uintptr(whichSet),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UConverterSelector*

function ucnvsel_open(
  converterList: Pointer;   // CHAR**
  converterListSize: Integer;   // INT
  excludedCodePoints: Pointer;   // USet*
  whichSet: Integer;   // UConverterUnicodeSet
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuuc.dll' name 'ucnvsel_open';

result := DllCall("icuuc\ucnvsel_open"
    , "Ptr", converterList   ; CHAR**
    , "Int", converterListSize   ; INT
    , "Ptr", excludedCodePoints   ; USet*
    , "Int", whichSet   ; UConverterUnicodeSet
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UConverterSelector*

●ucnvsel_open(converterList, converterListSize, excludedCodePoints, whichSet, status) = DLL("icuuc.dll", "void* ucnvsel_open(void*, int, void*, int, void*)")
# 呼び出し: ucnvsel_open(converterList, converterListSize, excludedCodePoints, whichSet, status)
# converterList : CHAR** -> "void*"
# converterListSize : INT -> "int"
# excludedCodePoints : USet* -> "void*"
# whichSet : UConverterUnicodeSet -> "int"
# status : 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。