ucasemap_getOptions

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

DWORD ucasemap_getOptions(
    const UCaseMap* csm
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucasemap_getOptions(
    ByRef csm As IntPtr   ' UCaseMap*
) As UInteger
End Function

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

import ctypes
from ctypes import wintypes

ucasemap_getOptions = ctypes.cdll.icuuc.ucasemap_getOptions
ucasemap_getOptions.restype = wintypes.DWORD
ucasemap_getOptions.argtypes = [
    ctypes.c_void_p,  # csm : UCaseMap*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
ucasemap_getOptions = Fiddle::Function.new(
  lib['ucasemap_getOptions'],
  [
    Fiddle::TYPE_VOIDP,  # csm : UCaseMap*
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn ucasemap_getOptions(
        csm: *const isize  // UCaseMap*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "icuuc.dll"
#func global ucasemap_getOptions "ucasemap_getOptions" sptr
; ucasemap_getOptions csm   ; 戻り値は stat
; csm : UCaseMap* -> "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 ucasemap_getOptions "ucasemap_getOptions" int
; res = ucasemap_getOptions(csm)
; csm : UCaseMap* -> "int"

; DWORD ucasemap_getOptions(UCaseMap* csm)
#uselib "icuuc.dll"
#cfunc global ucasemap_getOptions "ucasemap_getOptions" int
; res = ucasemap_getOptions(csm)
; csm : UCaseMap* -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procucasemap_getOptions = icuuc.NewProc("ucasemap_getOptions")
)

// csm (UCaseMap*)
r1, _, err := procucasemap_getOptions.Call(
	uintptr(csm),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ucasemap_getOptions(
  csm: Pointer   // UCaseMap*
): DWORD; cdecl;
  external 'icuuc.dll' name 'ucasemap_getOptions';

result := DllCall("icuuc\ucasemap_getOptions"
    , "Ptr", csm   ; UCaseMap*
    , "Cdecl UInt")   ; return: DWORD

●ucasemap_getOptions(csm) = DLL("icuuc.dll", "dword ucasemap_getOptions(void*)")
# 呼び出し: ucasemap_getOptions(csm)
# csm : UCaseMap* -> "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。