HttpCreateServerSession

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

DWORD HttpCreateServerSession(
    HTTPAPI_VERSION Version,
    ULONGLONG* ServerSessionId,
    DWORD Reserved   // optional
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpCreateServerSession(
    Version As HTTPAPI_VERSION,   ' HTTPAPI_VERSION
    <Out> ByRef ServerSessionId As ULong,   ' ULONGLONG* out
    Reserved As UInteger   ' DWORD optional
) As UInteger
End Function

' Version : HTTPAPI_VERSION
' ServerSessionId : ULONGLONG* out
' Reserved : DWORD optional
Declare PtrSafe Function HttpCreateServerSession Lib "httpapi" ( _
    ByVal Version As LongPtr, _
    ByRef ServerSessionId As LongLong, _
    ByVal Reserved 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

HttpCreateServerSession = ctypes.windll.httpapi.HttpCreateServerSession
HttpCreateServerSession.restype = wintypes.DWORD
HttpCreateServerSession.argtypes = [
    HTTPAPI_VERSION,  # Version : HTTPAPI_VERSION
    ctypes.POINTER(ctypes.c_ulonglong),  # ServerSessionId : ULONGLONG* out
    wintypes.DWORD,  # Reserved : DWORD optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpCreateServerSession = Fiddle::Function.new(
  lib['HttpCreateServerSession'],
  [
    Fiddle::TYPE_VOIDP,  # Version : HTTPAPI_VERSION
    Fiddle::TYPE_VOIDP,  # ServerSessionId : ULONGLONG* out
    -Fiddle::TYPE_INT,  # Reserved : DWORD optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpCreateServerSession(
        Version: HTTPAPI_VERSION,  // HTTPAPI_VERSION
        ServerSessionId: *mut u64,  // ULONGLONG* out
        Reserved: u32  // DWORD optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpCreateServerSession(HTTPAPI_VERSION Version, out ulong ServerSessionId, uint Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpCreateServerSession' -Namespace Win32 -PassThru
# $api::HttpCreateServerSession(Version, ServerSessionId, Reserved)

#uselib "HTTPAPI.dll"
#func global HttpCreateServerSession "HttpCreateServerSession" sptr, sptr, sptr
; HttpCreateServerSession Version, varptr(ServerSessionId), Reserved   ; 戻り値は stat
; Version : HTTPAPI_VERSION -> "sptr"
; ServerSessionId : ULONGLONG* out -> "sptr"
; Reserved : DWORD optional -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "HTTPAPI.dll"
#cfunc global HttpCreateServerSession "HttpCreateServerSession" int, var, int
; res = HttpCreateServerSession(Version, ServerSessionId, Reserved)
; Version : HTTPAPI_VERSION -> "int"
; ServerSessionId : ULONGLONG* out -> "var"
; Reserved : DWORD optional -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 HttpCreateServerSession(HTTPAPI_VERSION Version, ULONGLONG* ServerSessionId, DWORD Reserved)
#uselib "HTTPAPI.dll"
#cfunc global HttpCreateServerSession "HttpCreateServerSession" int, var, int
; res = HttpCreateServerSession(Version, ServerSessionId, Reserved)
; Version : HTTPAPI_VERSION -> "int"
; ServerSessionId : ULONGLONG* out -> "var"
; Reserved : DWORD optional -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpCreateServerSession = httpapi.NewProc("HttpCreateServerSession")
)

// Version (HTTPAPI_VERSION), ServerSessionId (ULONGLONG* out), Reserved (DWORD optional)
r1, _, err := procHttpCreateServerSession.Call(
	uintptr(Version),
	uintptr(ServerSessionId),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpCreateServerSession(
  Version: HTTPAPI_VERSION;   // HTTPAPI_VERSION
  ServerSessionId: Pointer;   // ULONGLONG* out
  Reserved: DWORD   // DWORD optional
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpCreateServerSession';

result := DllCall("HTTPAPI\HttpCreateServerSession"
    , "Ptr", Version   ; HTTPAPI_VERSION
    , "Ptr", ServerSessionId   ; ULONGLONG* out
    , "UInt", Reserved   ; DWORD optional
    , "UInt")   ; return: DWORD

●HttpCreateServerSession(Version, ServerSessionId, Reserved) = DLL("HTTPAPI.dll", "dword HttpCreateServerSession(void*, void*, dword)")
# 呼び出し: HttpCreateServerSession(Version, ServerSessionId, Reserved)
# Version : HTTPAPI_VERSION -> "void*"
# ServerSessionId : ULONGLONG* out -> "void*"
# Reserved : DWORD optional -> "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)。