unumf_openForSkeletonAndLocale

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

UNumberFormatter* unumf_openForSkeletonAndLocale(
    const WORD* skeleton,
    INT skeletonLen,
    LPCSTR locale,
    UErrorCode* ec
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function unumf_openForSkeletonAndLocale(
    ByRef skeleton As UShort,   ' WORD*
    skeletonLen As Integer,   ' INT
    <MarshalAs(UnmanagedType.LPStr)> locale As String,   ' LPCSTR
    ByRef ec As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' skeleton : WORD*
' skeletonLen : INT
' locale : LPCSTR
' ec : UErrorCode* in/out
Declare PtrSafe Function unumf_openForSkeletonAndLocale Lib "icu" ( _
    ByRef skeleton As Integer, _
    ByVal skeletonLen As Long, _
    ByVal locale As String, _
    ByRef ec As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

unumf_openForSkeletonAndLocale = ctypes.cdll.icu.unumf_openForSkeletonAndLocale
unumf_openForSkeletonAndLocale.restype = ctypes.c_void_p
unumf_openForSkeletonAndLocale.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # skeleton : WORD*
    ctypes.c_int,  # skeletonLen : INT
    wintypes.LPCSTR,  # locale : LPCSTR
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
unumf_openForSkeletonAndLocale = Fiddle::Function.new(
  lib['unumf_openForSkeletonAndLocale'],
  [
    Fiddle::TYPE_VOIDP,  # skeleton : WORD*
    Fiddle::TYPE_INT,  # skeletonLen : INT
    Fiddle::TYPE_VOIDP,  # locale : LPCSTR
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn unumf_openForSkeletonAndLocale(
        skeleton: *const u16,  // WORD*
        skeletonLen: i32,  // INT
        locale: *const u8,  // LPCSTR
        ec: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr unumf_openForSkeletonAndLocale(ref ushort skeleton, int skeletonLen, [MarshalAs(UnmanagedType.LPStr)] string locale, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_unumf_openForSkeletonAndLocale' -Namespace Win32 -PassThru
# $api::unumf_openForSkeletonAndLocale(skeleton, skeletonLen, locale, ec)

#uselib "icu.dll"
#func global unumf_openForSkeletonAndLocale "unumf_openForSkeletonAndLocale" sptr, sptr, sptr, sptr
; unumf_openForSkeletonAndLocale varptr(skeleton), skeletonLen, locale, ec   ; 戻り値は stat
; skeleton : WORD* -> "sptr"
; skeletonLen : INT -> "sptr"
; locale : LPCSTR -> "sptr"
; ec : UErrorCode* 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 "icu.dll"
#cfunc global unumf_openForSkeletonAndLocale "unumf_openForSkeletonAndLocale" var, int, str, int
; res = unumf_openForSkeletonAndLocale(skeleton, skeletonLen, locale, ec)
; skeleton : WORD* -> "var"
; skeletonLen : INT -> "int"
; locale : LPCSTR -> "str"
; ec : 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。

; UNumberFormatter* unumf_openForSkeletonAndLocale(WORD* skeleton, INT skeletonLen, LPCSTR locale, UErrorCode* ec)
#uselib "icu.dll"
#cfunc global unumf_openForSkeletonAndLocale "unumf_openForSkeletonAndLocale" var, int, str, int
; res = unumf_openForSkeletonAndLocale(skeleton, skeletonLen, locale, ec)
; skeleton : WORD* -> "var"
; skeletonLen : INT -> "int"
; locale : LPCSTR -> "str"
; ec : 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 (
	icu = windows.NewLazySystemDLL("icu.dll")
	procunumf_openForSkeletonAndLocale = icu.NewProc("unumf_openForSkeletonAndLocale")
)

// skeleton (WORD*), skeletonLen (INT), locale (LPCSTR), ec (UErrorCode* in/out)
r1, _, err := procunumf_openForSkeletonAndLocale.Call(
	uintptr(skeleton),
	uintptr(skeletonLen),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(locale))),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UNumberFormatter*

function unumf_openForSkeletonAndLocale(
  skeleton: Pointer;   // WORD*
  skeletonLen: Integer;   // INT
  locale: PAnsiChar;   // LPCSTR
  ec: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icu.dll' name 'unumf_openForSkeletonAndLocale';

result := DllCall("icu\unumf_openForSkeletonAndLocale"
    , "Ptr", skeleton   ; WORD*
    , "Int", skeletonLen   ; INT
    , "AStr", locale   ; LPCSTR
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: UNumberFormatter*

●unumf_openForSkeletonAndLocale(skeleton, skeletonLen, locale, ec) = DLL("icu.dll", "void* unumf_openForSkeletonAndLocale(void*, int, char*, void*)")
# 呼び出し: unumf_openForSkeletonAndLocale(skeleton, skeletonLen, locale, ec)
# skeleton : WORD* -> "void*"
# skeletonLen : INT -> "int"
# locale : LPCSTR -> "char*"
# ec : 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。