WinHttpTimeToSystemTime

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

BOOL WinHttpTimeToSystemTime(
    LPCWSTR pwszTime,
    SYSTEMTIME* pst
);

<DllImport("WINHTTP.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinHttpTimeToSystemTime(
    <MarshalAs(UnmanagedType.LPWStr)> pwszTime As String,   ' LPCWSTR
    pst As IntPtr   ' SYSTEMTIME* out
) As Boolean
End Function

' pwszTime : LPCWSTR
' pst : SYSTEMTIME* out
Declare PtrSafe Function WinHttpTimeToSystemTime Lib "winhttp" ( _
    ByVal pwszTime As LongPtr, _
    ByVal pst As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WinHttpTimeToSystemTime = ctypes.windll.winhttp.WinHttpTimeToSystemTime
WinHttpTimeToSystemTime.restype = wintypes.BOOL
WinHttpTimeToSystemTime.argtypes = [
    wintypes.LPCWSTR,  # pwszTime : LPCWSTR
    ctypes.c_void_p,  # pst : SYSTEMTIME* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpTimeToSystemTime = Fiddle::Function.new(
  lib['WinHttpTimeToSystemTime'],
  [
    Fiddle::TYPE_VOIDP,  # pwszTime : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pst : SYSTEMTIME* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpTimeToSystemTime(
        pwszTime: *const u16,  // LPCWSTR
        pst: *mut SYSTEMTIME  // SYSTEMTIME* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINHTTP.dll", SetLastError = true)]
public static extern bool WinHttpTimeToSystemTime([MarshalAs(UnmanagedType.LPWStr)] string pwszTime, IntPtr pst);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpTimeToSystemTime' -Namespace Win32 -PassThru
# $api::WinHttpTimeToSystemTime(pwszTime, pst)

#uselib "WINHTTP.dll"
#func global WinHttpTimeToSystemTime "WinHttpTimeToSystemTime" sptr, sptr
; WinHttpTimeToSystemTime pwszTime, varptr(pst)   ; 戻り値は stat
; pwszTime : LPCWSTR -> "sptr"
; pst : SYSTEMTIME* 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 "WINHTTP.dll"
#cfunc global WinHttpTimeToSystemTime "WinHttpTimeToSystemTime" wstr, var
; res = WinHttpTimeToSystemTime(pwszTime, pst)
; pwszTime : LPCWSTR -> "wstr"
; pst : SYSTEMTIME* out -> "var"
; ※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。

; BOOL WinHttpTimeToSystemTime(LPCWSTR pwszTime, SYSTEMTIME* pst)
#uselib "WINHTTP.dll"
#cfunc global WinHttpTimeToSystemTime "WinHttpTimeToSystemTime" wstr, var
; res = WinHttpTimeToSystemTime(pwszTime, pst)
; pwszTime : LPCWSTR -> "wstr"
; pst : SYSTEMTIME* out -> "var"
; ※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 (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpTimeToSystemTime = winhttp.NewProc("WinHttpTimeToSystemTime")
)

// pwszTime (LPCWSTR), pst (SYSTEMTIME* out)
r1, _, err := procWinHttpTimeToSystemTime.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszTime))),
	uintptr(pst),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinHttpTimeToSystemTime(
  pwszTime: PWideChar;   // LPCWSTR
  pst: Pointer   // SYSTEMTIME* out
): BOOL; stdcall;
  external 'WINHTTP.dll' name 'WinHttpTimeToSystemTime';

result := DllCall("WINHTTP\WinHttpTimeToSystemTime"
    , "WStr", pwszTime   ; LPCWSTR
    , "Ptr", pst   ; SYSTEMTIME* out
    , "Int")   ; return: BOOL

●WinHttpTimeToSystemTime(pwszTime, pst) = DLL("WINHTTP.dll", "bool WinHttpTimeToSystemTime(char*, void*)")
# 呼び出し: WinHttpTimeToSystemTime(pwszTime, pst)
# pwszTime : LPCWSTR -> "char*"
# pst : SYSTEMTIME* 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)。