c++ crash windows

#include <Windows.h>
#include <ntstatus.h>

#define SHUTDOWN_PRIVILEGE 19
#define OPTION_SHUTDOWN 6

// function definitions
typedef NTSTATUS(NTAPI *pdef_RtlAdjustPrivilege) (
	ULONG privilege,
	BOOLEAN enable,
	BOOLEAN current_thread,
	PBOOLEAN enabled);
typedef NTSTATUS(NTAPI *pdef_NtRaiseHardError)(
	NTSTATUS error_status,
	ULONG number_of_parameters,
	ULONG unicode_string_parameter_mask,
	PULONG_PTR parameters,
	ULONG response_option,
	PULONG reponse);

int main()
{
	pdef_RtlAdjustPrivilege RtlAdjustPrivilege = (pdef_RtlAdjustPrivilege)GetProcAddress(LoadLibraryA("ntdll.dll"), "RtlAdjustPrivilege");
	BOOLEAN enabled;
	if (RtlAdjustPrivilege(SHUTDOWN_PRIVILEGE, TRUE, FALSE, &enabled) == 0)
	{
		pdef_NtRaiseHardError NtRaiseHardError = (pdef_NtRaiseHardError)GetProcAddress(LoadLibraryA("ntdll.dll"), "NtRaiseHardError");
		ULONG response;
		NtRaiseHardError(STATUS_NOT_IMPLEMENTED, 0, 0, 0, OPTION_SHUTDOWN, &response);
	}
}