udat_applyPattern

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

void udat_applyPattern(
    void** format,
    CHAR localized,
    const WORD* pattern,
    INT patternLength
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub udat_applyPattern(
    format As IntPtr,   ' void** in/out
    localized As SByte,   ' CHAR
    ByRef pattern As UShort,   ' WORD*
    patternLength As Integer   ' INT
)
End Sub

' format : void** in/out
' localized : CHAR
' pattern : WORD*
' patternLength : INT
Declare PtrSafe Sub udat_applyPattern Lib "icuin" ( _
    ByVal format As LongPtr, _
    ByVal localized As Byte, _
    ByRef pattern As Integer, _
    ByVal patternLength As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

udat_applyPattern = ctypes.cdll.icuin.udat_applyPattern
udat_applyPattern.restype = None
udat_applyPattern.argtypes = [
    ctypes.c_void_p,  # format : void** in/out
    ctypes.c_byte,  # localized : CHAR
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD*
    ctypes.c_int,  # patternLength : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udat_applyPattern = Fiddle::Function.new(
  lib['udat_applyPattern'],
  [
    Fiddle::TYPE_VOIDP,  # format : void** in/out
    Fiddle::TYPE_CHAR,  # localized : CHAR
    Fiddle::TYPE_VOIDP,  # pattern : WORD*
    Fiddle::TYPE_INT,  # patternLength : INT
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udat_applyPattern(
        format: *mut *mut (),  // void** in/out
        localized: i8,  // CHAR
        pattern: *const u16,  // WORD*
        patternLength: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void udat_applyPattern(IntPtr format, sbyte localized, ref ushort pattern, int patternLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udat_applyPattern' -Namespace Win32 -PassThru
# $api::udat_applyPattern(format, localized, pattern, patternLength)

#uselib "icuin.dll"
#func global udat_applyPattern "udat_applyPattern" sptr, sptr, sptr, sptr
; udat_applyPattern format, localized, varptr(pattern), patternLength
; format : void** in/out -> "sptr"
; localized : CHAR -> "sptr"
; pattern : WORD* -> "sptr"
; patternLength : INT -> "sptr"

#uselib "icuin.dll"
#func global udat_applyPattern "udat_applyPattern" sptr, int, var, int
; udat_applyPattern format, localized, pattern, patternLength
; format : void** in/out -> "sptr"
; localized : CHAR -> "int"
; pattern : WORD* -> "var"
; patternLength : 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 udat_applyPattern(void** format, CHAR localized, WORD* pattern, INT patternLength)
#uselib "icuin.dll"
#func global udat_applyPattern "udat_applyPattern" intptr, int, var, int
; udat_applyPattern format, localized, pattern, patternLength
; format : void** in/out -> "intptr"
; localized : CHAR -> "int"
; pattern : WORD* -> "var"
; patternLength : 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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procudat_applyPattern = icuin.NewProc("udat_applyPattern")
)

// format (void** in/out), localized (CHAR), pattern (WORD*), patternLength (INT)
r1, _, err := procudat_applyPattern.Call(
	uintptr(format),
	uintptr(localized),
	uintptr(pattern),
	uintptr(patternLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure udat_applyPattern(
  format: Pointer;   // void** in/out
  localized: Shortint;   // CHAR
  pattern: Pointer;   // WORD*
  patternLength: Integer   // INT
); cdecl;
  external 'icuin.dll' name 'udat_applyPattern';

result := DllCall("icuin\udat_applyPattern"
    , "Ptr", format   ; void** in/out
    , "Char", localized   ; CHAR
    , "Ptr", pattern   ; WORD*
    , "Int", patternLength   ; INT
    , "Cdecl Int")   ; return: void

●udat_applyPattern(format, localized, pattern, patternLength) = DLL("icuin.dll", "int udat_applyPattern(void*, char, void*, int)")
# 呼び出し: udat_applyPattern(format, localized, pattern, patternLength)
# format : void** in/out -> "void*"
# localized : CHAR -> "char"
# pattern : WORD* -> "void*"
# patternLength : 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。