AmsiInitialize

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

HRESULT AmsiInitialize(
    LPCWSTR appName,
    HAMSICONTEXT* amsiContext
);

<DllImport("Amsi.dll", ExactSpelling:=True)>
Public Shared Function AmsiInitialize(
    <MarshalAs(UnmanagedType.LPWStr)> appName As String,   ' LPCWSTR
    amsiContext As IntPtr   ' HAMSICONTEXT* out
) As Integer
End Function

' appName : LPCWSTR
' amsiContext : HAMSICONTEXT* out
Declare PtrSafe Function AmsiInitialize Lib "amsi" ( _
    ByVal appName As LongPtr, _
    ByVal amsiContext 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

AmsiInitialize = ctypes.windll.amsi.AmsiInitialize
AmsiInitialize.restype = ctypes.c_int
AmsiInitialize.argtypes = [
    wintypes.LPCWSTR,  # appName : LPCWSTR
    ctypes.c_void_p,  # amsiContext : HAMSICONTEXT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Amsi.dll')
AmsiInitialize = Fiddle::Function.new(
  lib['AmsiInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # appName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # amsiContext : HAMSICONTEXT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "amsi")]
extern "system" {
    fn AmsiInitialize(
        appName: *const u16,  // LPCWSTR
        amsiContext: *mut *mut core::ffi::c_void  // HAMSICONTEXT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Amsi.dll")]
public static extern int AmsiInitialize([MarshalAs(UnmanagedType.LPWStr)] string appName, IntPtr amsiContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Amsi_AmsiInitialize' -Namespace Win32 -PassThru
# $api::AmsiInitialize(appName, amsiContext)

#uselib "Amsi.dll"
#func global AmsiInitialize "AmsiInitialize" sptr, sptr
; AmsiInitialize appName, amsiContext   ; 戻り値は stat
; appName : LPCWSTR -> "sptr"
; amsiContext : HAMSICONTEXT* 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 AmsiInitialize "AmsiInitialize" wstr, sptr
; res = AmsiInitialize(appName, amsiContext)
; appName : LPCWSTR -> "wstr"
; amsiContext : HAMSICONTEXT* out -> "sptr"

; HRESULT AmsiInitialize(LPCWSTR appName, HAMSICONTEXT* amsiContext)
#uselib "Amsi.dll"
#cfunc global AmsiInitialize "AmsiInitialize" wstr, intptr
; res = AmsiInitialize(appName, amsiContext)
; appName : LPCWSTR -> "wstr"
; amsiContext : HAMSICONTEXT* out -> "intptr"

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

var (
	amsi = windows.NewLazySystemDLL("Amsi.dll")
	procAmsiInitialize = amsi.NewProc("AmsiInitialize")
)

// appName (LPCWSTR), amsiContext (HAMSICONTEXT* out)
r1, _, err := procAmsiInitialize.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(appName))),
	uintptr(amsiContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AmsiInitialize(
  appName: PWideChar;   // LPCWSTR
  amsiContext: Pointer   // HAMSICONTEXT* out
): Integer; stdcall;
  external 'Amsi.dll' name 'AmsiInitialize';

result := DllCall("Amsi\AmsiInitialize"
    , "WStr", appName   ; LPCWSTR
    , "Ptr", amsiContext   ; HAMSICONTEXT* out
    , "Int")   ; return: HRESULT

●AmsiInitialize(appName, amsiContext) = DLL("Amsi.dll", "int AmsiInitialize(char*, void*)")
# 呼び出し: AmsiInitialize(appName, amsiContext)
# appName : LPCWSTR -> "char*"
# amsiContext : HAMSICONTEXT* 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)。