ubidi_getParaLevel

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

BYTE ubidi_getParaLevel(
    const UBiDi* pBiDi
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ubidi_getParaLevel(
    ByRef pBiDi As IntPtr   ' UBiDi*
) As Byte
End Function

' pBiDi : UBiDi*
Declare PtrSafe Function ubidi_getParaLevel Lib "icuuc" ( _
    ByRef pBiDi As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ubidi_getParaLevel = ctypes.cdll.icuuc.ubidi_getParaLevel
ubidi_getParaLevel.restype = ctypes.c_ubyte
ubidi_getParaLevel.argtypes = [
    ctypes.c_void_p,  # pBiDi : UBiDi*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ubidi_getParaLevel = Fiddle::Function.new(
  lib['ubidi_getParaLevel'],
  [
    Fiddle::TYPE_VOIDP,  # pBiDi : UBiDi*
  ],
  -Fiddle::TYPE_CHAR, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ubidi_getParaLevel(
        pBiDi: *const isize  // UBiDi*
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern byte ubidi_getParaLevel(ref IntPtr pBiDi);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_ubidi_getParaLevel' -Namespace Win32 -PassThru
# $api::ubidi_getParaLevel(pBiDi)

#uselib "icuuc.dll"
#func global ubidi_getParaLevel "ubidi_getParaLevel" sptr
; ubidi_getParaLevel pBiDi   ; 戻り値は stat
; pBiDi : UBiDi* -> "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_getParaLevel "ubidi_getParaLevel" int
; res = ubidi_getParaLevel(pBiDi)
; pBiDi : UBiDi* -> "int"

; BYTE ubidi_getParaLevel(UBiDi* pBiDi)
#uselib "icuuc.dll"
#cfunc global ubidi_getParaLevel "ubidi_getParaLevel" int
; res = ubidi_getParaLevel(pBiDi)
; pBiDi : UBiDi* -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procubidi_getParaLevel = icuuc.NewProc("ubidi_getParaLevel")
)

// pBiDi (UBiDi*)
r1, _, err := procubidi_getParaLevel.Call(
	uintptr(pBiDi),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BYTE

function ubidi_getParaLevel(
  pBiDi: Pointer   // UBiDi*
): Byte; cdecl;
  external 'icuuc.dll' name 'ubidi_getParaLevel';

result := DllCall("icuuc\ubidi_getParaLevel"
    , "Ptr", pBiDi   ; UBiDi*
    , "Cdecl UChar")   ; return: BYTE

●ubidi_getParaLevel(pBiDi) = DLL("icuuc.dll", "byte ubidi_getParaLevel(void*)")
# 呼び出し: ubidi_getParaLevel(pBiDi)
# pBiDi : UBiDi* -> "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。