uset_addAllCodePoints

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

void uset_addAllCodePoints(
    USet* set,
    const WORD* str,
    INT strLen
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub uset_addAllCodePoints(
    ByRef [set] As IntPtr,   ' USet* in/out
    ByRef str As UShort,   ' WORD*
    strLen As Integer   ' INT
)
End Sub

' set : USet* in/out
' str : WORD*
' strLen : INT
Declare PtrSafe Sub uset_addAllCodePoints Lib "icuuc" ( _
    ByRef set As LongPtr, _
    ByRef str As Integer, _
    ByVal strLen As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uset_addAllCodePoints = ctypes.cdll.icuuc.uset_addAllCodePoints
uset_addAllCodePoints.restype = None
uset_addAllCodePoints.argtypes = [
    ctypes.c_void_p,  # set : USet* in/out
    ctypes.POINTER(ctypes.c_ushort),  # str : WORD*
    ctypes.c_int,  # strLen : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uset_addAllCodePoints = Fiddle::Function.new(
  lib['uset_addAllCodePoints'],
  [
    Fiddle::TYPE_VOIDP,  # set : USet* in/out
    Fiddle::TYPE_VOIDP,  # str : WORD*
    Fiddle::TYPE_INT,  # strLen : INT
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uset_addAllCodePoints(
        set: *mut isize,  // USet* in/out
        str: *const u16,  // WORD*
        strLen: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void uset_addAllCodePoints(ref IntPtr set, ref ushort str, int strLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uset_addAllCodePoints' -Namespace Win32 -PassThru
# $api::uset_addAllCodePoints(set, str, strLen)

#uselib "icuuc.dll"
#func global uset_addAllCodePoints "uset_addAllCodePoints" sptr, sptr, sptr
; uset_addAllCodePoints set, varptr(str), strLen
; set : USet* in/out -> "sptr"
; str : WORD* -> "sptr"
; strLen : INT -> "sptr"

#uselib "icuuc.dll"
#func global uset_addAllCodePoints "uset_addAllCodePoints" int, var, int
; uset_addAllCodePoints set, str, strLen
; set : USet* in/out -> "int"
; str : WORD* -> "var"
; strLen : INT -> "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 uset_addAllCodePoints(USet* set, WORD* str, INT strLen)
#uselib "icuuc.dll"
#func global uset_addAllCodePoints "uset_addAllCodePoints" int, var, int
; uset_addAllCodePoints set, str, strLen
; set : USet* in/out -> "int"
; str : WORD* -> "var"
; strLen : INT -> "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")
	procuset_addAllCodePoints = icuuc.NewProc("uset_addAllCodePoints")
)

// set (USet* in/out), str (WORD*), strLen (INT)
r1, _, err := procuset_addAllCodePoints.Call(
	uintptr(set),
	uintptr(str),
	uintptr(strLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure uset_addAllCodePoints(
  set: Pointer;   // USet* in/out
  str: Pointer;   // WORD*
  strLen: Integer   // INT
); cdecl;
  external 'icuuc.dll' name 'uset_addAllCodePoints';

result := DllCall("icuuc\uset_addAllCodePoints"
    , "Ptr", set   ; USet* in/out
    , "Ptr", str   ; WORD*
    , "Int", strLen   ; INT
    , "Cdecl Int")   ; return: void

●uset_addAllCodePoints(set, str, strLen) = DLL("icuuc.dll", "int uset_addAllCodePoints(void*, void*, int)")
# 呼び出し: uset_addAllCodePoints(set, str, strLen)
# set : USet* in/out -> "void*"
# str : WORD* -> "void*"
# strLen : INT -> "int"
# 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。