InternalInternetGetCookie

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

DWORD InternalInternetGetCookie(
    LPCSTR lpszUrl,
    LPSTR lpszCookieData,
    DWORD* lpdwDataSize
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function InternalInternetGetCookie(
    <MarshalAs(UnmanagedType.LPStr)> lpszUrl As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpszCookieData As System.Text.StringBuilder,   ' LPSTR out
    ByRef lpdwDataSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' lpszUrl : LPCSTR
' lpszCookieData : LPSTR out
' lpdwDataSize : DWORD* in/out
Declare PtrSafe Function InternalInternetGetCookie Lib "wininet" ( _
    ByVal lpszUrl As String, _
    ByVal lpszCookieData As String, _
    ByRef lpdwDataSize 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

InternalInternetGetCookie = ctypes.windll.wininet.InternalInternetGetCookie
InternalInternetGetCookie.restype = wintypes.DWORD
InternalInternetGetCookie.argtypes = [
    wintypes.LPCSTR,  # lpszUrl : LPCSTR
    wintypes.LPSTR,  # lpszCookieData : LPSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpdwDataSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternalInternetGetCookie = Fiddle::Function.new(
  lib['InternalInternetGetCookie'],
  [
    Fiddle::TYPE_VOIDP,  # lpszUrl : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpszCookieData : LPSTR out
    Fiddle::TYPE_VOIDP,  # lpdwDataSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternalInternetGetCookie(
        lpszUrl: *const u8,  // LPCSTR
        lpszCookieData: *mut u8,  // LPSTR out
        lpdwDataSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint InternalInternetGetCookie([MarshalAs(UnmanagedType.LPStr)] string lpszUrl, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszCookieData, ref uint lpdwDataSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternalInternetGetCookie' -Namespace Win32 -PassThru
# $api::InternalInternetGetCookie(lpszUrl, lpszCookieData, lpdwDataSize)

#uselib "WININET.dll"
#func global InternalInternetGetCookie "InternalInternetGetCookie" sptr, sptr, sptr
; InternalInternetGetCookie lpszUrl, varptr(lpszCookieData), varptr(lpdwDataSize)   ; 戻り値は stat
; lpszUrl : LPCSTR -> "sptr"
; lpszCookieData : LPSTR out -> "sptr"
; lpdwDataSize : DWORD* 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 "WININET.dll"
#cfunc global InternalInternetGetCookie "InternalInternetGetCookie" str, var, var
; res = InternalInternetGetCookie(lpszUrl, lpszCookieData, lpdwDataSize)
; lpszUrl : LPCSTR -> "str"
; lpszCookieData : LPSTR out -> "var"
; lpdwDataSize : DWORD* in/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。

; DWORD InternalInternetGetCookie(LPCSTR lpszUrl, LPSTR lpszCookieData, DWORD* lpdwDataSize)
#uselib "WININET.dll"
#cfunc global InternalInternetGetCookie "InternalInternetGetCookie" str, var, var
; res = InternalInternetGetCookie(lpszUrl, lpszCookieData, lpdwDataSize)
; lpszUrl : LPCSTR -> "str"
; lpszCookieData : LPSTR out -> "var"
; lpdwDataSize : DWORD* in/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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternalInternetGetCookie = wininet.NewProc("InternalInternetGetCookie")
)

// lpszUrl (LPCSTR), lpszCookieData (LPSTR out), lpdwDataSize (DWORD* in/out)
r1, _, err := procInternalInternetGetCookie.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszUrl))),
	uintptr(lpszCookieData),
	uintptr(lpdwDataSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function InternalInternetGetCookie(
  lpszUrl: PAnsiChar;   // LPCSTR
  lpszCookieData: PAnsiChar;   // LPSTR out
  lpdwDataSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'WININET.dll' name 'InternalInternetGetCookie';

result := DllCall("WININET\InternalInternetGetCookie"
    , "AStr", lpszUrl   ; LPCSTR
    , "Ptr", lpszCookieData   ; LPSTR out
    , "Ptr", lpdwDataSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●InternalInternetGetCookie(lpszUrl, lpszCookieData, lpdwDataSize) = DLL("WININET.dll", "dword InternalInternetGetCookie(char*, char*, void*)")
# 呼び出し: InternalInternetGetCookie(lpszUrl, lpszCookieData, lpdwDataSize)
# lpszUrl : LPCSTR -> "char*"
# lpszCookieData : LPSTR out -> "char*"
# lpdwDataSize : DWORD* 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)。