ucsdet_detectAll

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

UCharsetMatch** ucsdet_detectAll(
    UCharsetDetector* ucsd,
    INT* matchesFound,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucsdet_detectAll(
    ByRef ucsd As IntPtr,   ' UCharsetDetector* in/out
    ByRef matchesFound As Integer,   ' INT* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' ucsd : UCharsetDetector* in/out
' matchesFound : INT* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function ucsdet_detectAll Lib "icuin" ( _
    ByRef ucsd As LongPtr, _
    ByRef matchesFound 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

ucsdet_detectAll = ctypes.cdll.icuin.ucsdet_detectAll
ucsdet_detectAll.restype = ctypes.c_void_p
ucsdet_detectAll.argtypes = [
    ctypes.c_void_p,  # ucsd : UCharsetDetector* in/out
    ctypes.POINTER(ctypes.c_int),  # matchesFound : INT* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucsdet_detectAll = Fiddle::Function.new(
  lib['ucsdet_detectAll'],
  [
    Fiddle::TYPE_VOIDP,  # ucsd : UCharsetDetector* in/out
    Fiddle::TYPE_VOIDP,  # matchesFound : INT* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucsdet_detectAll(
        ucsd: *mut isize,  // UCharsetDetector* in/out
        matchesFound: *mut i32,  // INT* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr ucsdet_detectAll(ref IntPtr ucsd, ref int matchesFound, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ucsdet_detectAll' -Namespace Win32 -PassThru
# $api::ucsdet_detectAll(ucsd, matchesFound, status)

#uselib "icuin.dll"
#func global ucsdet_detectAll "ucsdet_detectAll" sptr, sptr, sptr
; ucsdet_detectAll ucsd, varptr(matchesFound), status   ; 戻り値は stat
; ucsd : UCharsetDetector* in/out -> "sptr"
; matchesFound : INT* in/out -> "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 "icuin.dll"
#cfunc global ucsdet_detectAll "ucsdet_detectAll" int, var, int
; res = ucsdet_detectAll(ucsd, matchesFound, status)
; ucsd : UCharsetDetector* in/out -> "int"
; matchesFound : INT* in/out -> "var"
; 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。

; UCharsetMatch** ucsdet_detectAll(UCharsetDetector* ucsd, INT* matchesFound, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global ucsdet_detectAll "ucsdet_detectAll" int, var, int
; res = ucsdet_detectAll(ucsd, matchesFound, status)
; ucsd : UCharsetDetector* in/out -> "int"
; matchesFound : INT* in/out -> "var"
; 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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procucsdet_detectAll = icuin.NewProc("ucsdet_detectAll")
)

// ucsd (UCharsetDetector* in/out), matchesFound (INT* in/out), status (UErrorCode* in/out)
r1, _, err := procucsdet_detectAll.Call(
	uintptr(ucsd),
	uintptr(matchesFound),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UCharsetMatch**

function ucsdet_detectAll(
  ucsd: Pointer;   // UCharsetDetector* in/out
  matchesFound: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'ucsdet_detectAll';

result := DllCall("icuin\ucsdet_detectAll"
    , "Ptr", ucsd   ; UCharsetDetector* in/out
    , "Ptr", matchesFound   ; INT* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UCharsetMatch**

●ucsdet_detectAll(ucsd, matchesFound, status) = DLL("icuin.dll", "void* ucsdet_detectAll(void*, void*, void*)")
# 呼び出し: ucsdet_detectAll(ucsd, matchesFound, status)
# ucsd : UCharsetDetector* in/out -> "void*"
# matchesFound : INT* in/out -> "void*"
# 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。