Виртуальная память компьютера GlobalMemoryStatusEx

#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <conio.h>
 
#define DIV 1024
 
#define WIDTH 7
 
void _tmain()
{
    MEMORYSTATUSEX statex;
 
    statex.dwLength = sizeof (statex);
 
    GlobalMemoryStatusEx(&statex);
 
    _tprintf(TEXT("There is  %*ld percent of memory in use.\n"),
        WIDTH, statex.dwMemoryLoad);
    _tprintf(TEXT("There are %*I64d total KB of physical memory.\n"),
        WIDTH, statex.ullTotalPhys / DIV);
    _tprintf(TEXT("There are %*I64d free  KB of physical memory.\n"),
        WIDTH, statex.ullAvailPhys / DIV);
    _tprintf(TEXT("There are %*I64d total KB of paging file.\n"),
        WIDTH, statex.ullTotalPageFile / DIV);
    _tprintf(TEXT("There are %*I64d free  KB of paging file.\n"),
        WIDTH, statex.ullAvailPageFile / DIV);
    _tprintf(TEXT("There are %*I64d total KB of virtual memory.\n"),
        WIDTH, statex.ullTotalVirtual / DIV);
    _tprintf(TEXT("There are %*I64d free  KB of virtual memory.\n"),
        WIDTH, statex.ullAvailVirtual / DIV);
 
    _tprintf(TEXT("There are %*I64d free  KB of extended memory.\n"),
        WIDTH, statex.ullAvailExtendedVirtual / DIV);
    _getch();
}