/*
 * iftop.h:
 *
 */

#ifndef __IFTOP_H_ /* include guard */
#define __IFTOP_H_

/* 60 / 3  */
#define HISTORY_LENGTH  20
#define RESOLUTION 2

typedef struct {
    long recv[HISTORY_LENGTH];
    long sent[HISTORY_LENGTH];
    int last_write;
    int promisc;
} history_type;

void tick();

void *xmalloc(size_t n);
void *xcalloc(size_t n, size_t m);
void *xrealloc(void *w, size_t n);
char *xstrdup(const char *s);
void xfree(void *v);

#endif /* __IFTOP_H_ */