#include "sys/types.h"
#include "sys/sysinfo.h"
#include "stdlib.h"
#include "stdio.h"
#include "string.h"
#include "sys/times.h"
#include "sys/vtimes.h"

void getTotalVirtualMem();
void getVirtualMemUsed();
int getVirtualMemUsedByCurrentProcess();

struct cpustat {
    unsigned long t_user;
    unsigned long t_nice;
    unsigned long t_system;
    unsigned long t_idle;
    unsigned long t_iowait;
    unsigned long t_irq;
    unsigned long t_softirq;
};

void get_stats(struct cpustat *st, int cpunum);
double calculate_load(struct cpustat *prev, struct cpustat *cur);