AmsiOpenSession

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

HRESULT AmsiOpenSession(
    HAMSICONTEXT amsiContext,
    HAMSISESSION* amsiSession
);

<DllImport("Amsi.dll", ExactSpelling:=True)>
Public Shared Function AmsiOpenSession(
    amsiContext As IntPtr,   ' HAMSICONTEXT
    amsiSession As IntPtr   ' HAMSISESSION* out
) As Integer
End Function

' amsiContext : HAMSICONTEXT
' amsiSession : HAMSISESSION* out
Declare PtrSafe Function AmsiOpenSession Lib "amsi" ( _
    ByVal amsiContext As LongPtr, _
    ByVal amsiSession 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

AmsiOpenSession = ctypes.windll.amsi.AmsiOpenSession
AmsiOpenSession.restype = ctypes.c_int
AmsiOpenSession.argtypes = [
    wintypes.HANDLE,  # amsiContext : HAMSICONTEXT
    ctypes.c_void_p,  # amsiSession : HAMSISESSION* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Amsi.dll')
AmsiOpenSession = Fiddle::Function.new(
  lib['AmsiOpenSession'],
  [
    Fiddle::TYPE_VOIDP,  # amsiContext : HAMSICONTEXT
    Fiddle::TYPE_VOIDP,  # amsiSession : HAMSISESSION* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "amsi")]
extern "system" {
    fn AmsiOpenSession(
        amsiContext: *mut core::ffi::c_void,  // HAMSICONTEXT
        amsiSession: *mut *mut core::ffi::c_void  // HAMSISESSION* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Amsi.dll")]
public static extern int AmsiOpenSession(IntPtr amsiContext, IntPtr amsiSession);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Amsi_AmsiOpenSession' -Namespace Win32 -PassThru
# $api::AmsiOpenSession(amsiContext, amsiSession)

#uselib "Amsi.dll"
#func global AmsiOpenSession "AmsiOpenSession" sptr, sptr
; AmsiOpenSession amsiContext, amsiSession   ; 戻り値は stat
; amsiContext : HAMSICONTEXT -> "sptr"
; amsiSession : HAMSISESSION* 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 "Amsi.dll"
#cfunc global AmsiOpenSession "AmsiOpenSession" sptr, sptr
; res = AmsiOpenSession(amsiContext, amsiSession)
; amsiContext : HAMSICONTEXT -> "sptr"
; amsiSession : HAMSISESSION* out -> "sptr"

; HRESULT AmsiOpenSession(HAMSICONTEXT amsiContext, HAMSISESSION* amsiSession)
#uselib "Amsi.dll"
#cfunc global AmsiOpenSession "AmsiOpenSession" intptr, intptr
; res = AmsiOpenSession(amsiContext, amsiSession)
; amsiContext : HAMSICONTEXT -> "intptr"
; amsiSession : HAMSISESSION* out -> "intptr"

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

var (
	amsi = windows.NewLazySystemDLL("Amsi.dll")
	procAmsiOpenSession = amsi.NewProc("AmsiOpenSession")
)

// amsiContext (HAMSICONTEXT), amsiSession (HAMSISESSION* out)
r1, _, err := procAmsiOpenSession.Call(
	uintptr(amsiContext),
	uintptr(amsiSession),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AmsiOpenSession(
  amsiContext: THandle;   // HAMSICONTEXT
  amsiSession: Pointer   // HAMSISESSION* out
): Integer; stdcall;
  external 'Amsi.dll' name 'AmsiOpenSession';

result := DllCall("Amsi\AmsiOpenSession"
    , "Ptr", amsiContext   ; HAMSICONTEXT
    , "Ptr", amsiSession   ; HAMSISESSION* out
    , "Int")   ; return: HRESULT

●AmsiOpenSession(amsiContext, amsiSession) = DLL("Amsi.dll", "int AmsiOpenSession(void*, void*)")
# 呼び出し: AmsiOpenSession(amsiContext, amsiSession)
# amsiContext : HAMSICONTEXT -> "void*"
# amsiSession : HAMSISESSION* 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)。