udat_set2DigitYearStart

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

void udat_set2DigitYearStart(
    void** fmt,
    DOUBLE d,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub udat_set2DigitYearStart(
    fmt As IntPtr,   ' void** in/out
    d As Double,   ' DOUBLE
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' fmt : void** in/out
' d : DOUBLE
' status : UErrorCode* in/out
Declare PtrSafe Sub udat_set2DigitYearStart Lib "icuin" ( _
    ByVal fmt As LongPtr, _
    ByVal d As Double, _
    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_set2DigitYearStart = ctypes.cdll.icuin.udat_set2DigitYearStart
udat_set2DigitYearStart.restype = None
udat_set2DigitYearStart.argtypes = [
    ctypes.c_void_p,  # fmt : void** in/out
    ctypes.c_double,  # d : DOUBLE
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udat_set2DigitYearStart = Fiddle::Function.new(
  lib['udat_set2DigitYearStart'],
  [
    Fiddle::TYPE_VOIDP,  # fmt : void** in/out
    Fiddle::TYPE_DOUBLE,  # d : DOUBLE
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udat_set2DigitYearStart(
        fmt: *mut *mut (),  // void** in/out
        d: f64,  // DOUBLE
        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_set2DigitYearStart(IntPtr fmt, double d, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udat_set2DigitYearStart' -Namespace Win32 -PassThru
# $api::udat_set2DigitYearStart(fmt, d, status)

#uselib "icuin.dll"
#func global udat_set2DigitYearStart "udat_set2DigitYearStart" sptr, double, sptr
; udat_set2DigitYearStart fmt, d, status
; fmt : void** in/out -> "sptr"
; d : DOUBLE -> "double"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global udat_set2DigitYearStart "udat_set2DigitYearStart" sptr, double, int
; udat_set2DigitYearStart fmt, d, status
; fmt : void** in/out -> "sptr"
; d : DOUBLE -> "double"
; status : UErrorCode* in/out -> "int"

; void udat_set2DigitYearStart(void** fmt, DOUBLE d, UErrorCode* status)
#uselib "icuin.dll"
#func global udat_set2DigitYearStart "udat_set2DigitYearStart" intptr, double, int
; udat_set2DigitYearStart fmt, d, status
; fmt : void** in/out -> "intptr"
; d : DOUBLE -> "double"
; status : UErrorCode* in/out -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procudat_set2DigitYearStart = icuin.NewProc("udat_set2DigitYearStart")
)

// fmt (void** in/out), d (DOUBLE), status (UErrorCode* in/out)
r1, _, err := procudat_set2DigitYearStart.Call(
	uintptr(fmt),
	uintptr(math.Float64bits(d)),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure udat_set2DigitYearStart(
  fmt: Pointer;   // void** in/out
  d: Double;   // DOUBLE
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'udat_set2DigitYearStart';

result := DllCall("icuin\udat_set2DigitYearStart"
    , "Ptr", fmt   ; void** in/out
    , "Double", d   ; DOUBLE
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●udat_set2DigitYearStart(fmt, d, status) = DLL("icuin.dll", "int udat_set2DigitYearStart(void*, double, void*)")
# 呼び出し: udat_set2DigitYearStart(fmt, d, status)
# fmt : void** in/out -> "void*"
# d : DOUBLE -> "double"
# 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。