utext_extract

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

INT utext_extract(
    UText* ut,
    LONGLONG nativeStart,
    LONGLONG nativeLimit,
    WORD* dest,
    INT destCapacity,
    UErrorCode* status
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function utext_extract(
    ut As IntPtr,   ' UText* in/out
    nativeStart As Long,   ' LONGLONG
    nativeLimit As Long,   ' LONGLONG
    ByRef dest As UShort,   ' WORD* in/out
    destCapacity As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
) As Integer
End Function

' ut : UText* in/out
' nativeStart : LONGLONG
' nativeLimit : LONGLONG
' dest : WORD* in/out
' destCapacity : INT
' status : UErrorCode* in/out
Declare PtrSafe Function utext_extract Lib "icuuc" ( _
    ByVal ut As LongPtr, _
    ByVal nativeStart As LongLong, _
    ByVal nativeLimit As LongLong, _
    ByRef dest As Integer, _
    ByVal destCapacity As Long, _
    ByRef status 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

utext_extract = ctypes.cdll.icuuc.utext_extract
utext_extract.restype = ctypes.c_int
utext_extract.argtypes = [
    ctypes.c_void_p,  # ut : UText* in/out
    ctypes.c_longlong,  # nativeStart : LONGLONG
    ctypes.c_longlong,  # nativeLimit : LONGLONG
    ctypes.POINTER(ctypes.c_ushort),  # dest : WORD* in/out
    ctypes.c_int,  # destCapacity : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
utext_extract = Fiddle::Function.new(
  lib['utext_extract'],
  [
    Fiddle::TYPE_VOIDP,  # ut : UText* in/out
    Fiddle::TYPE_LONG_LONG,  # nativeStart : LONGLONG
    Fiddle::TYPE_LONG_LONG,  # nativeLimit : LONGLONG
    Fiddle::TYPE_VOIDP,  # dest : WORD* in/out
    Fiddle::TYPE_INT,  # destCapacity : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn utext_extract(
        ut: *mut UText,  // UText* in/out
        nativeStart: i64,  // LONGLONG
        nativeLimit: i64,  // LONGLONG
        dest: *mut u16,  // WORD* in/out
        destCapacity: i32,  // INT
        status: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int utext_extract(IntPtr ut, long nativeStart, long nativeLimit, ref ushort dest, int destCapacity, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_utext_extract' -Namespace Win32 -PassThru
# $api::utext_extract(ut, nativeStart, nativeLimit, dest, destCapacity, status)

#uselib "icuuc.dll"
#func global utext_extract "utext_extract" sptr, sptr, sptr, sptr, sptr, sptr
; utext_extract varptr(ut), nativeStart, nativeLimit, varptr(dest), destCapacity, status   ; 戻り値は stat
; ut : UText* in/out -> "sptr"
; nativeStart : LONGLONG -> "sptr"
; nativeLimit : LONGLONG -> "sptr"
; dest : WORD* in/out -> "sptr"
; destCapacity : INT -> "sptr"
; status : UErrorCode* in/out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 utext_extract "utext_extract" var, int64, int64, var, int, int
; res = utext_extract(ut, nativeStart, nativeLimit, dest, destCapacity, status)
; ut : UText* in/out -> "var"
; nativeStart : LONGLONG -> "int64"
; nativeLimit : LONGLONG -> "int64"
; dest : WORD* in/out -> "var"
; destCapacity : INT -> "int"
; 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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; INT utext_extract(UText* ut, LONGLONG nativeStart, LONGLONG nativeLimit, WORD* dest, INT destCapacity, UErrorCode* status)
#uselib "icuuc.dll"
#cfunc global utext_extract "utext_extract" var, int64, int64, var, int, int
; res = utext_extract(ut, nativeStart, nativeLimit, dest, destCapacity, status)
; ut : UText* in/out -> "var"
; nativeStart : LONGLONG -> "int64"
; nativeLimit : LONGLONG -> "int64"
; dest : WORD* in/out -> "var"
; destCapacity : INT -> "int"
; 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 (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procutext_extract = icuuc.NewProc("utext_extract")
)

// ut (UText* in/out), nativeStart (LONGLONG), nativeLimit (LONGLONG), dest (WORD* in/out), destCapacity (INT), status (UErrorCode* in/out)
r1, _, err := procutext_extract.Call(
	uintptr(ut),
	uintptr(nativeStart),
	uintptr(nativeLimit),
	uintptr(dest),
	uintptr(destCapacity),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function utext_extract(
  ut: Pointer;   // UText* in/out
  nativeStart: Int64;   // LONGLONG
  nativeLimit: Int64;   // LONGLONG
  dest: Pointer;   // WORD* in/out
  destCapacity: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'utext_extract';

result := DllCall("icuuc\utext_extract"
    , "Ptr", ut   ; UText* in/out
    , "Int64", nativeStart   ; LONGLONG
    , "Int64", nativeLimit   ; LONGLONG
    , "Ptr", dest   ; WORD* in/out
    , "Int", destCapacity   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: INT

●utext_extract(ut, nativeStart, nativeLimit, dest, destCapacity, status) = DLL("icuuc.dll", "int utext_extract(void*, int64, int64, void*, int, void*)")
# 呼び出し: utext_extract(ut, nativeStart, nativeLimit, dest, destCapacity, status)
# ut : UText* in/out -> "void*"
# nativeStart : LONGLONG -> "int64"
# nativeLimit : LONGLONG -> "int64"
# dest : WORD* in/out -> "void*"
# destCapacity : INT -> "int"
# 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。