ubidi_setPara

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

void ubidi_setPara(
    UBiDi* pBiDi,
    const WORD* text,
    INT length,
    BYTE paraLevel,
    BYTE* embeddingLevels,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ubidi_setPara(
    ByRef pBiDi As IntPtr,   ' UBiDi* in/out
    ByRef text As UShort,   ' WORD*
    length As Integer,   ' INT
    paraLevel As Byte,   ' BYTE
    embeddingLevels As IntPtr,   ' BYTE* in/out
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
)
End Sub

' pBiDi : UBiDi* in/out
' text : WORD*
' length : INT
' paraLevel : BYTE
' embeddingLevels : BYTE* in/out
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Sub ubidi_setPara Lib "icuuc" ( _
    ByRef pBiDi As LongPtr, _
    ByRef text As Integer, _
    ByVal length As Long, _
    ByVal paraLevel As Byte, _
    ByVal embeddingLevels As LongPtr, _
    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

ubidi_setPara = ctypes.cdll.icuuc.ubidi_setPara
ubidi_setPara.restype = None
ubidi_setPara.argtypes = [
    ctypes.c_void_p,  # pBiDi : UBiDi* in/out
    ctypes.POINTER(ctypes.c_ushort),  # text : WORD*
    ctypes.c_int,  # length : INT
    ctypes.c_ubyte,  # paraLevel : BYTE
    ctypes.POINTER(ctypes.c_ubyte),  # embeddingLevels : BYTE* in/out
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_setPara = Fiddle::Function.new(
  lib['ubidi_setPara'],
  [
    Fiddle::TYPE_VOIDP,  # pBiDi : UBiDi* in/out
    Fiddle::TYPE_VOIDP,  # text : WORD*
    Fiddle::TYPE_INT,  # length : INT
    -Fiddle::TYPE_CHAR,  # paraLevel : BYTE
    Fiddle::TYPE_VOIDP,  # embeddingLevels : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_setPara(
        pBiDi: *mut isize,  // UBiDi* in/out
        text: *const u16,  // WORD*
        length: i32,  // INT
        paraLevel: u8,  // BYTE
        embeddingLevels: *mut u8,  // BYTE* in/out
        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 ubidi_setPara(ref IntPtr pBiDi, ref ushort text, int length, byte paraLevel, IntPtr embeddingLevels, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_setPara' -Namespace Win32 -PassThru
# $api::ubidi_setPara(pBiDi, text, length, paraLevel, embeddingLevels, pErrorCode)

#uselib "icuuc.dll"
#func global ubidi_setPara "ubidi_setPara" sptr, sptr, sptr, sptr, sptr, sptr
; ubidi_setPara pBiDi, varptr(text), length, paraLevel, varptr(embeddingLevels), pErrorCode
; pBiDi : UBiDi* in/out -> "sptr"
; text : WORD* -> "sptr"
; length : INT -> "sptr"
; paraLevel : BYTE -> "sptr"
; embeddingLevels : BYTE* in/out -> "sptr"
; pErrorCode : UErrorCode* in/out -> "sptr"

#uselib "icuuc.dll"
#func global ubidi_setPara "ubidi_setPara" int, var, int, int, var, int
; ubidi_setPara pBiDi, text, length, paraLevel, embeddingLevels, pErrorCode
; pBiDi : UBiDi* in/out -> "int"
; text : WORD* -> "var"
; length : INT -> "int"
; paraLevel : BYTE -> "int"
; embeddingLevels : BYTE* in/out -> "var"
; pErrorCode : 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。

; void ubidi_setPara(UBiDi* pBiDi, WORD* text, INT length, BYTE paraLevel, BYTE* embeddingLevels, UErrorCode* pErrorCode)
#uselib "icuuc.dll"
#func global ubidi_setPara "ubidi_setPara" int, var, int, int, var, int
; ubidi_setPara pBiDi, text, length, paraLevel, embeddingLevels, pErrorCode
; pBiDi : UBiDi* in/out -> "int"
; text : WORD* -> "var"
; length : INT -> "int"
; paraLevel : BYTE -> "int"
; embeddingLevels : BYTE* in/out -> "var"
; pErrorCode : 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")
	procubidi_setPara = icuuc.NewProc("ubidi_setPara")
)

// pBiDi (UBiDi* in/out), text (WORD*), length (INT), paraLevel (BYTE), embeddingLevels (BYTE* in/out), pErrorCode (UErrorCode* in/out)
r1, _, err := procubidi_setPara.Call(
	uintptr(pBiDi),
	uintptr(text),
	uintptr(length),
	uintptr(paraLevel),
	uintptr(embeddingLevels),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ubidi_setPara(
  pBiDi: Pointer;   // UBiDi* in/out
  text: Pointer;   // WORD*
  length: Integer;   // INT
  paraLevel: Byte;   // BYTE
  embeddingLevels: Pointer;   // BYTE* in/out
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'ubidi_setPara';

result := DllCall("icuuc\ubidi_setPara"
    , "Ptr", pBiDi   ; UBiDi* in/out
    , "Ptr", text   ; WORD*
    , "Int", length   ; INT
    , "UChar", paraLevel   ; BYTE
    , "Ptr", embeddingLevels   ; BYTE* in/out
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ubidi_setPara(pBiDi, text, length, paraLevel, embeddingLevels, pErrorCode) = DLL("icuuc.dll", "int ubidi_setPara(void*, void*, int, byte, void*, void*)")
# 呼び出し: ubidi_setPara(pBiDi, text, length, paraLevel, embeddingLevels, pErrorCode)
# pBiDi : UBiDi* in/out -> "void*"
# text : WORD* -> "void*"
# length : INT -> "int"
# paraLevel : BYTE -> "byte"
# embeddingLevels : BYTE* in/out -> "void*"
# 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。