udatpg_addPattern

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

UDateTimePatternConflict udatpg_addPattern(
    void** dtpg,
    const WORD* pattern,
    INT patternLength,
    CHAR override,
    WORD* conflictingPattern,
    INT capacity,
    INT* pLength,
    UErrorCode* pErrorCode
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function udatpg_addPattern(
    dtpg As IntPtr,   ' void** in/out
    ByRef pattern As UShort,   ' WORD*
    patternLength As Integer,   ' INT
    override As SByte,   ' CHAR
    ByRef conflictingPattern As UShort,   ' WORD* in/out
    capacity As Integer,   ' INT
    ByRef pLength As Integer,   ' INT* in/out
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
) As Integer
End Function

' dtpg : void** in/out
' pattern : WORD*
' patternLength : INT
' override : CHAR
' conflictingPattern : WORD* in/out
' capacity : INT
' pLength : INT* in/out
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Function udatpg_addPattern Lib "icuin" ( _
    ByVal dtpg As LongPtr, _
    ByRef pattern As Integer, _
    ByVal patternLength As Long, _
    ByVal override As Byte, _
    ByRef conflictingPattern As Integer, _
    ByVal capacity As Long, _
    ByRef pLength As Long, _
    ByRef pErrorCode 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

udatpg_addPattern = ctypes.cdll.icuin.udatpg_addPattern
udatpg_addPattern.restype = ctypes.c_int
udatpg_addPattern.argtypes = [
    ctypes.c_void_p,  # dtpg : void** in/out
    ctypes.POINTER(ctypes.c_ushort),  # pattern : WORD*
    ctypes.c_int,  # patternLength : INT
    ctypes.c_byte,  # override : CHAR
    ctypes.POINTER(ctypes.c_ushort),  # conflictingPattern : WORD* in/out
    ctypes.c_int,  # capacity : INT
    ctypes.POINTER(ctypes.c_int),  # pLength : INT* in/out
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udatpg_addPattern = Fiddle::Function.new(
  lib['udatpg_addPattern'],
  [
    Fiddle::TYPE_VOIDP,  # dtpg : void** in/out
    Fiddle::TYPE_VOIDP,  # pattern : WORD*
    Fiddle::TYPE_INT,  # patternLength : INT
    Fiddle::TYPE_CHAR,  # override : CHAR
    Fiddle::TYPE_VOIDP,  # conflictingPattern : WORD* in/out
    Fiddle::TYPE_INT,  # capacity : INT
    Fiddle::TYPE_VOIDP,  # pLength : INT* in/out
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udatpg_addPattern(
        dtpg: *mut *mut (),  // void** in/out
        pattern: *const u16,  // WORD*
        patternLength: i32,  // INT
        override: i8,  // CHAR
        conflictingPattern: *mut u16,  // WORD* in/out
        capacity: i32,  // INT
        pLength: *mut i32,  // INT* in/out
        pErrorCode: *mut i32  // UErrorCode* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int udatpg_addPattern(IntPtr dtpg, ref ushort pattern, int patternLength, sbyte override, ref ushort conflictingPattern, int capacity, ref int pLength, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udatpg_addPattern' -Namespace Win32 -PassThru
# $api::udatpg_addPattern(dtpg, pattern, patternLength, override, conflictingPattern, capacity, pLength, pErrorCode)

#uselib "icuin.dll"
#func global udatpg_addPattern "udatpg_addPattern" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; udatpg_addPattern dtpg, varptr(pattern), patternLength, override, varptr(conflictingPattern), capacity, varptr(pLength), pErrorCode   ; 戻り値は stat
; dtpg : void** in/out -> "sptr"
; pattern : WORD* -> "sptr"
; patternLength : INT -> "sptr"
; override : CHAR -> "sptr"
; conflictingPattern : WORD* in/out -> "sptr"
; capacity : INT -> "sptr"
; pLength : INT* in/out -> "sptr"
; pErrorCode : 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 "icuin.dll"
#cfunc global udatpg_addPattern "udatpg_addPattern" sptr, var, int, int, var, int, var, int
; res = udatpg_addPattern(dtpg, pattern, patternLength, override, conflictingPattern, capacity, pLength, pErrorCode)
; dtpg : void** in/out -> "sptr"
; pattern : WORD* -> "var"
; patternLength : INT -> "int"
; override : CHAR -> "int"
; conflictingPattern : WORD* in/out -> "var"
; capacity : INT -> "int"
; pLength : INT* in/out -> "var"
; pErrorCode : 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。

; UDateTimePatternConflict udatpg_addPattern(void** dtpg, WORD* pattern, INT patternLength, CHAR override, WORD* conflictingPattern, INT capacity, INT* pLength, UErrorCode* pErrorCode)
#uselib "icuin.dll"
#cfunc global udatpg_addPattern "udatpg_addPattern" intptr, var, int, int, var, int, var, int
; res = udatpg_addPattern(dtpg, pattern, patternLength, override, conflictingPattern, capacity, pLength, pErrorCode)
; dtpg : void** in/out -> "intptr"
; pattern : WORD* -> "var"
; patternLength : INT -> "int"
; override : CHAR -> "int"
; conflictingPattern : WORD* in/out -> "var"
; capacity : INT -> "int"
; pLength : INT* in/out -> "var"
; pErrorCode : 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")
	procudatpg_addPattern = icuin.NewProc("udatpg_addPattern")
)

// dtpg (void** in/out), pattern (WORD*), patternLength (INT), override (CHAR), conflictingPattern (WORD* in/out), capacity (INT), pLength (INT* in/out), pErrorCode (UErrorCode* in/out)
r1, _, err := procudatpg_addPattern.Call(
	uintptr(dtpg),
	uintptr(pattern),
	uintptr(patternLength),
	uintptr(override),
	uintptr(conflictingPattern),
	uintptr(capacity),
	uintptr(pLength),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // UDateTimePatternConflict

function udatpg_addPattern(
  dtpg: Pointer;   // void** in/out
  pattern: Pointer;   // WORD*
  patternLength: Integer;   // INT
  override: Shortint;   // CHAR
  conflictingPattern: Pointer;   // WORD* in/out
  capacity: Integer;   // INT
  pLength: Pointer;   // INT* in/out
  pErrorCode: Pointer   // UErrorCode* in/out
): Integer; cdecl;
  external 'icuin.dll' name 'udatpg_addPattern';

result := DllCall("icuin\udatpg_addPattern"
    , "Ptr", dtpg   ; void** in/out
    , "Ptr", pattern   ; WORD*
    , "Int", patternLength   ; INT
    , "Char", override   ; CHAR
    , "Ptr", conflictingPattern   ; WORD* in/out
    , "Int", capacity   ; INT
    , "Ptr", pLength   ; INT* in/out
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: UDateTimePatternConflict

●udatpg_addPattern(dtpg, pattern, patternLength, override, conflictingPattern, capacity, pLength, pErrorCode) = DLL("icuin.dll", "int udatpg_addPattern(void*, void*, int, char, void*, int, void*, void*)")
# 呼び出し: udatpg_addPattern(dtpg, pattern, patternLength, override, conflictingPattern, capacity, pLength, pErrorCode)
# dtpg : void** in/out -> "void*"
# pattern : WORD* -> "void*"
# patternLength : INT -> "int"
# override : CHAR -> "char"
# conflictingPattern : WORD* in/out -> "void*"
# capacity : INT -> "int"
# pLength : INT* in/out -> "void*"
# pErrorCode : 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。