ubidi_getVisualRun

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

UBiDiDirection ubidi_getVisualRun(
    UBiDi* pBiDi,
    INT runIndex,
    INT* pLogicalStart,
    INT* pLength
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ubidi_getVisualRun(
    ByRef pBiDi As IntPtr,   ' UBiDi* in/out
    runIndex As Integer,   ' INT
    ByRef pLogicalStart As Integer,   ' INT* in/out
    ByRef pLength As Integer   ' INT* in/out
) As Integer
End Function

' pBiDi : UBiDi* in/out
' runIndex : INT
' pLogicalStart : INT* in/out
' pLength : INT* in/out
Declare PtrSafe Function ubidi_getVisualRun Lib "icuuc" ( _
    ByRef pBiDi As LongPtr, _
    ByVal runIndex As Long, _
    ByRef pLogicalStart As Long, _
    ByRef pLength As Long) 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_getVisualRun = ctypes.cdll.icuuc.ubidi_getVisualRun
ubidi_getVisualRun.restype = ctypes.c_int
ubidi_getVisualRun.argtypes = [
    ctypes.c_void_p,  # pBiDi : UBiDi* in/out
    ctypes.c_int,  # runIndex : INT
    ctypes.POINTER(ctypes.c_int),  # pLogicalStart : INT* in/out
    ctypes.POINTER(ctypes.c_int),  # pLength : INT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_getVisualRun = Fiddle::Function.new(
  lib['ubidi_getVisualRun'],
  [
    Fiddle::TYPE_VOIDP,  # pBiDi : UBiDi* in/out
    Fiddle::TYPE_INT,  # runIndex : INT
    Fiddle::TYPE_VOIDP,  # pLogicalStart : INT* in/out
    Fiddle::TYPE_VOIDP,  # pLength : INT* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_getVisualRun(
        pBiDi: *mut isize,  // UBiDi* in/out
        runIndex: i32,  // INT
        pLogicalStart: *mut i32,  // INT* in/out
        pLength: *mut i32  // INT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int ubidi_getVisualRun(ref IntPtr pBiDi, int runIndex, ref int pLogicalStart, ref int pLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_getVisualRun' -Namespace Win32 -PassThru
# $api::ubidi_getVisualRun(pBiDi, runIndex, pLogicalStart, pLength)

#uselib "icuuc.dll"
#func global ubidi_getVisualRun "ubidi_getVisualRun" sptr, sptr, sptr, sptr
; ubidi_getVisualRun pBiDi, runIndex, varptr(pLogicalStart), varptr(pLength)   ; 戻り値は stat
; pBiDi : UBiDi* in/out -> "sptr"
; runIndex : INT -> "sptr"
; pLogicalStart : INT* in/out -> "sptr"
; pLength : INT* 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 ubidi_getVisualRun "ubidi_getVisualRun" int, int, var, var
; res = ubidi_getVisualRun(pBiDi, runIndex, pLogicalStart, pLength)
; pBiDi : UBiDi* in/out -> "int"
; runIndex : INT -> "int"
; pLogicalStart : INT* in/out -> "var"
; pLength : INT* in/out -> "var"
; ※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。

; UBiDiDirection ubidi_getVisualRun(UBiDi* pBiDi, INT runIndex, INT* pLogicalStart, INT* pLength)
#uselib "icuuc.dll"
#cfunc global ubidi_getVisualRun "ubidi_getVisualRun" int, int, var, var
; res = ubidi_getVisualRun(pBiDi, runIndex, pLogicalStart, pLength)
; pBiDi : UBiDi* in/out -> "int"
; runIndex : INT -> "int"
; pLogicalStart : INT* in/out -> "var"
; pLength : INT* in/out -> "var"
; ※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_getVisualRun = icuuc.NewProc("ubidi_getVisualRun")
)

// pBiDi (UBiDi* in/out), runIndex (INT), pLogicalStart (INT* in/out), pLength (INT* in/out)
r1, _, err := procubidi_getVisualRun.Call(
	uintptr(pBiDi),
	uintptr(runIndex),
	uintptr(pLogicalStart),
	uintptr(pLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UBiDiDirection

function ubidi_getVisualRun(
  pBiDi: Pointer;   // UBiDi* in/out
  runIndex: Integer;   // INT
  pLogicalStart: Pointer;   // INT* in/out
  pLength: Pointer   // INT* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'ubidi_getVisualRun';

result := DllCall("icuuc\ubidi_getVisualRun"
    , "Ptr", pBiDi   ; UBiDi* in/out
    , "Int", runIndex   ; INT
    , "Ptr", pLogicalStart   ; INT* in/out
    , "Ptr", pLength   ; INT* in/out
    , "Cdecl Int")   ; return: UBiDiDirection

●ubidi_getVisualRun(pBiDi, runIndex, pLogicalStart, pLength) = DLL("icuuc.dll", "int ubidi_getVisualRun(void*, int, void*, void*)")
# 呼び出し: ubidi_getVisualRun(pBiDi, runIndex, pLogicalStart, pLength)
# pBiDi : UBiDi* in/out -> "void*"
# runIndex : INT -> "int"
# pLogicalStart : INT* in/out -> "void*"
# pLength : INT* 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。