umsg_applyPattern

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

void umsg_applyPattern(
    void** fmt,
    const WORD* pattern,
    INT patternLength,
    UParseError* parseError,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub umsg_applyPattern(
    fmt As IntPtr,   ' void** in/out
    ByRef pattern As UShort,   ' WORD*
    patternLength As Integer,   ' INT
    parseError As IntPtr,   ' UParseError* in/out
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' fmt : void** in/out
' pattern : WORD*
' patternLength : INT
' parseError : UParseError* in/out
' status : UErrorCode* in/out
Declare PtrSafe Sub umsg_applyPattern Lib "icuin" ( _
    ByVal fmt As LongPtr, _
    ByRef pattern As Integer, _
    ByVal patternLength As Long, _
    ByVal parseError As LongPtr, _
    ByRef status As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

umsg_applyPattern = ctypes.cdll.icuin.umsg_applyPattern
umsg_applyPattern.restype = None
umsg_applyPattern.argtypes = [
    ctypes.c_void_p,  # fmt : void** in/out
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD*
    ctypes.c_int,  # patternLength : INT
    ctypes.c_void_p,  # parseError : UParseError* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
umsg_applyPattern = Fiddle::Function.new(
  lib['umsg_applyPattern'],
  [
    Fiddle::TYPE_VOIDP,  # fmt : void** in/out
    Fiddle::TYPE_VOIDP,  # pattern : WORD*
    Fiddle::TYPE_INT,  # patternLength : INT
    Fiddle::TYPE_VOIDP,  # parseError : UParseError* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn umsg_applyPattern(
        fmt: *mut *mut (),  // void** in/out
        pattern: *const u16,  // WORD*
        patternLength: i32,  // INT
        parseError: *mut UParseError,  // UParseError* in/out
        status: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void umsg_applyPattern(IntPtr fmt, ref ushort pattern, int patternLength, IntPtr parseError, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_umsg_applyPattern' -Namespace Win32 -PassThru
# $api::umsg_applyPattern(fmt, pattern, patternLength, parseError, status)

#uselib "icuin.dll"
#func global umsg_applyPattern "umsg_applyPattern" sptr, sptr, sptr, sptr, sptr
; umsg_applyPattern fmt, varptr(pattern), patternLength, varptr(parseError), status
; fmt : void** in/out -> "sptr"
; pattern : WORD* -> "sptr"
; patternLength : INT -> "sptr"
; parseError : UParseError* in/out -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global umsg_applyPattern "umsg_applyPattern" sptr, var, int, var, int
; umsg_applyPattern fmt, pattern, patternLength, parseError, status
; fmt : void** in/out -> "sptr"
; pattern : WORD* -> "var"
; patternLength : INT -> "int"
; parseError : UParseError* in/out -> "var"
; 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。

; void umsg_applyPattern(void** fmt, WORD* pattern, INT patternLength, UParseError* parseError, UErrorCode* status)
#uselib "icuin.dll"
#func global umsg_applyPattern "umsg_applyPattern" intptr, var, int, var, int
; umsg_applyPattern fmt, pattern, patternLength, parseError, status
; fmt : void** in/out -> "intptr"
; pattern : WORD* -> "var"
; patternLength : INT -> "int"
; parseError : UParseError* in/out -> "var"
; 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 (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procumsg_applyPattern = icuin.NewProc("umsg_applyPattern")
)

// fmt (void** in/out), pattern (WORD*), patternLength (INT), parseError (UParseError* in/out), status (UErrorCode* in/out)
r1, _, err := procumsg_applyPattern.Call(
	uintptr(fmt),
	uintptr(pattern),
	uintptr(patternLength),
	uintptr(parseError),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure umsg_applyPattern(
  fmt: Pointer;   // void** in/out
  pattern: Pointer;   // WORD*
  patternLength: Integer;   // INT
  parseError: Pointer;   // UParseError* in/out
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'umsg_applyPattern';

result := DllCall("icuin\umsg_applyPattern"
    , "Ptr", fmt   ; void** in/out
    , "Ptr", pattern   ; WORD*
    , "Int", patternLength   ; INT
    , "Ptr", parseError   ; UParseError* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●umsg_applyPattern(fmt, pattern, patternLength, parseError, status) = DLL("icuin.dll", "int umsg_applyPattern(void*, void*, int, void*, void*)")
# 呼び出し: umsg_applyPattern(fmt, pattern, patternLength, parseError, status)
# fmt : void** in/out -> "void*"
# pattern : WORD* -> "void*"
# patternLength : INT -> "int"
# parseError : UParseError* in/out -> "void*"
# 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。