InternetAttemptConnect

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

DWORD InternetAttemptConnect(
    DWORD dwReserved
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function InternetAttemptConnect(
    dwReserved As UInteger   ' DWORD
) As UInteger
End Function

' dwReserved : DWORD
Declare PtrSafe Function InternetAttemptConnect Lib "wininet" ( _
    ByVal dwReserved 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

InternetAttemptConnect = ctypes.windll.wininet.InternetAttemptConnect
InternetAttemptConnect.restype = wintypes.DWORD
InternetAttemptConnect.argtypes = [
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetAttemptConnect = Fiddle::Function.new(
  lib['InternetAttemptConnect'],
  [
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternetAttemptConnect(
        dwReserved: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint InternetAttemptConnect(uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetAttemptConnect' -Namespace Win32 -PassThru
# $api::InternetAttemptConnect(dwReserved)

#uselib "WININET.dll"
#func global InternetAttemptConnect "InternetAttemptConnect" sptr
; InternetAttemptConnect dwReserved   ; 戻り値は stat
; dwReserved : DWORD -> "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 InternetAttemptConnect "InternetAttemptConnect" int
; res = InternetAttemptConnect(dwReserved)
; dwReserved : DWORD -> "int"

; DWORD InternetAttemptConnect(DWORD dwReserved)
#uselib "WININET.dll"
#cfunc global InternetAttemptConnect "InternetAttemptConnect" int
; res = InternetAttemptConnect(dwReserved)
; dwReserved : DWORD -> "int"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetAttemptConnect = wininet.NewProc("InternetAttemptConnect")
)

// dwReserved (DWORD)
r1, _, err := procInternetAttemptConnect.Call(
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function InternetAttemptConnect(
  dwReserved: DWORD   // DWORD
): DWORD; stdcall;
  external 'WININET.dll' name 'InternetAttemptConnect';

result := DllCall("WININET\InternetAttemptConnect"
    , "UInt", dwReserved   ; DWORD
    , "UInt")   ; return: DWORD

●InternetAttemptConnect(dwReserved) = DLL("WININET.dll", "dword InternetAttemptConnect(dword)")
# 呼び出し: InternetAttemptConnect(dwReserved)
# dwReserved : DWORD -> "dword"
# 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)。