SetProcessMitigationPolicy

// KERNEL32.dll
#include <windows.h>

BOOL SetProcessMitigationPolicy(
    PROCESS_MITIGATION_POLICY MitigationPolicy,
    void* lpBuffer,
    UINT_PTR dwLength
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetProcessMitigationPolicy(
    MitigationPolicy As Integer,   ' PROCESS_MITIGATION_POLICY
    lpBuffer As IntPtr,   ' void*
    dwLength As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' MitigationPolicy : PROCESS_MITIGATION_POLICY
' lpBuffer : void*
' dwLength : UINT_PTR
Declare PtrSafe Function SetProcessMitigationPolicy Lib "kernel32" ( _
    ByVal MitigationPolicy As Long, _
    ByVal lpBuffer As LongPtr, _
    ByVal dwLength 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

SetProcessMitigationPolicy = ctypes.windll.kernel32.SetProcessMitigationPolicy
SetProcessMitigationPolicy.restype = wintypes.BOOL
SetProcessMitigationPolicy.argtypes = [
    ctypes.c_int,  # MitigationPolicy : PROCESS_MITIGATION_POLICY
    ctypes.POINTER(None),  # lpBuffer : void*
    ctypes.c_size_t,  # dwLength : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetProcessMitigationPolicy = Fiddle::Function.new(
  lib['SetProcessMitigationPolicy'],
  [
    Fiddle::TYPE_INT,  # MitigationPolicy : PROCESS_MITIGATION_POLICY
    Fiddle::TYPE_VOIDP,  # lpBuffer : void*
    Fiddle::TYPE_UINTPTR_T,  # dwLength : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetProcessMitigationPolicy(
        MitigationPolicy: i32,  // PROCESS_MITIGATION_POLICY
        lpBuffer: *mut (),  // void*
        dwLength: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetProcessMitigationPolicy(int MitigationPolicy, IntPtr lpBuffer, UIntPtr dwLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetProcessMitigationPolicy' -Namespace Win32 -PassThru
# $api::SetProcessMitigationPolicy(MitigationPolicy, lpBuffer, dwLength)

#uselib "KERNEL32.dll"
#func global SetProcessMitigationPolicy "SetProcessMitigationPolicy" sptr, sptr, sptr
; SetProcessMitigationPolicy MitigationPolicy, lpBuffer, dwLength   ; 戻り値は stat
; MitigationPolicy : PROCESS_MITIGATION_POLICY -> "sptr"
; lpBuffer : void* -> "sptr"
; dwLength : UINT_PTR -> "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 "KERNEL32.dll"
#cfunc global SetProcessMitigationPolicy "SetProcessMitigationPolicy" int, sptr, sptr
; res = SetProcessMitigationPolicy(MitigationPolicy, lpBuffer, dwLength)
; MitigationPolicy : PROCESS_MITIGATION_POLICY -> "int"
; lpBuffer : void* -> "sptr"
; dwLength : UINT_PTR -> "sptr"

; BOOL SetProcessMitigationPolicy(PROCESS_MITIGATION_POLICY MitigationPolicy, void* lpBuffer, UINT_PTR dwLength)
#uselib "KERNEL32.dll"
#cfunc global SetProcessMitigationPolicy "SetProcessMitigationPolicy" int, intptr, intptr
; res = SetProcessMitigationPolicy(MitigationPolicy, lpBuffer, dwLength)
; MitigationPolicy : PROCESS_MITIGATION_POLICY -> "int"
; lpBuffer : void* -> "intptr"
; dwLength : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetProcessMitigationPolicy = kernel32.NewProc("SetProcessMitigationPolicy")
)

// MitigationPolicy (PROCESS_MITIGATION_POLICY), lpBuffer (void*), dwLength (UINT_PTR)
r1, _, err := procSetProcessMitigationPolicy.Call(
	uintptr(MitigationPolicy),
	uintptr(lpBuffer),
	uintptr(dwLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetProcessMitigationPolicy(
  MitigationPolicy: Integer;   // PROCESS_MITIGATION_POLICY
  lpBuffer: Pointer;   // void*
  dwLength: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetProcessMitigationPolicy';

result := DllCall("KERNEL32\SetProcessMitigationPolicy"
    , "Int", MitigationPolicy   ; PROCESS_MITIGATION_POLICY
    , "Ptr", lpBuffer   ; void*
    , "UPtr", dwLength   ; UINT_PTR
    , "Int")   ; return: BOOL

●SetProcessMitigationPolicy(MitigationPolicy, lpBuffer, dwLength) = DLL("KERNEL32.dll", "bool SetProcessMitigationPolicy(int, void*, int)")
# 呼び出し: SetProcessMitigationPolicy(MitigationPolicy, lpBuffer, dwLength)
# MitigationPolicy : PROCESS_MITIGATION_POLICY -> "int"
# lpBuffer : void* -> "void*"
# dwLength : UINT_PTR -> "int"
# 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)。