udat_setBooleanAttribute

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

void udat_setBooleanAttribute(
    void** fmt,
    UDateFormatBooleanAttribute attr,
    CHAR newValue,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub udat_setBooleanAttribute(
    fmt As IntPtr,   ' void** in/out
    attr As Integer,   ' UDateFormatBooleanAttribute
    newValue As SByte,   ' CHAR
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' fmt : void** in/out
' attr : UDateFormatBooleanAttribute
' newValue : CHAR
' status : UErrorCode* in/out
Declare PtrSafe Sub udat_setBooleanAttribute Lib "icuin" ( _
    ByVal fmt As LongPtr, _
    ByVal attr As Long, _
    ByVal newValue As Byte, _
    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

udat_setBooleanAttribute = ctypes.cdll.icuin.udat_setBooleanAttribute
udat_setBooleanAttribute.restype = None
udat_setBooleanAttribute.argtypes = [
    ctypes.c_void_p,  # fmt : void** in/out
    ctypes.c_int,  # attr : UDateFormatBooleanAttribute
    ctypes.c_byte,  # newValue : CHAR
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udat_setBooleanAttribute = Fiddle::Function.new(
  lib['udat_setBooleanAttribute'],
  [
    Fiddle::TYPE_VOIDP,  # fmt : void** in/out
    Fiddle::TYPE_INT,  # attr : UDateFormatBooleanAttribute
    Fiddle::TYPE_CHAR,  # newValue : CHAR
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udat_setBooleanAttribute(
        fmt: *mut *mut (),  // void** in/out
        attr: i32,  // UDateFormatBooleanAttribute
        newValue: i8,  // CHAR
        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 udat_setBooleanAttribute(IntPtr fmt, int attr, sbyte newValue, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udat_setBooleanAttribute' -Namespace Win32 -PassThru
# $api::udat_setBooleanAttribute(fmt, attr, newValue, status)

#uselib "icuin.dll"
#func global udat_setBooleanAttribute "udat_setBooleanAttribute" sptr, sptr, sptr, sptr
; udat_setBooleanAttribute fmt, attr, newValue, status
; fmt : void** in/out -> "sptr"
; attr : UDateFormatBooleanAttribute -> "sptr"
; newValue : CHAR -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global udat_setBooleanAttribute "udat_setBooleanAttribute" sptr, int, int, int
; udat_setBooleanAttribute fmt, attr, newValue, status
; fmt : void** in/out -> "sptr"
; attr : UDateFormatBooleanAttribute -> "int"
; newValue : CHAR -> "int"
; status : UErrorCode* in/out -> "int"

; void udat_setBooleanAttribute(void** fmt, UDateFormatBooleanAttribute attr, CHAR newValue, UErrorCode* status)
#uselib "icuin.dll"
#func global udat_setBooleanAttribute "udat_setBooleanAttribute" intptr, int, int, int
; udat_setBooleanAttribute fmt, attr, newValue, status
; fmt : void** in/out -> "intptr"
; attr : UDateFormatBooleanAttribute -> "int"
; newValue : CHAR -> "int"
; status : UErrorCode* in/out -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procudat_setBooleanAttribute = icuin.NewProc("udat_setBooleanAttribute")
)

// fmt (void** in/out), attr (UDateFormatBooleanAttribute), newValue (CHAR), status (UErrorCode* in/out)
r1, _, err := procudat_setBooleanAttribute.Call(
	uintptr(fmt),
	uintptr(attr),
	uintptr(newValue),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure udat_setBooleanAttribute(
  fmt: Pointer;   // void** in/out
  attr: Integer;   // UDateFormatBooleanAttribute
  newValue: Shortint;   // CHAR
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'udat_setBooleanAttribute';

result := DllCall("icuin\udat_setBooleanAttribute"
    , "Ptr", fmt   ; void** in/out
    , "Int", attr   ; UDateFormatBooleanAttribute
    , "Char", newValue   ; CHAR
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●udat_setBooleanAttribute(fmt, attr, newValue, status) = DLL("icuin.dll", "int udat_setBooleanAttribute(void*, int, char, void*)")
# 呼び出し: udat_setBooleanAttribute(fmt, attr, newValue, status)
# fmt : void** in/out -> "void*"
# attr : UDateFormatBooleanAttribute -> "int"
# newValue : CHAR -> "char"
# 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。