#ifndef COMMON_H
#define COMMON_H

#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

#define UNUSED __attribute__((__unused__))

int
timeval_diff(struct timeval *result, struct timeval *x, struct timeval *y);

void
timeval_increment(struct timeval *result, struct timeval *diff);

int
string_to_addrinfo_call(char *in, unsigned int flags, int (*ai_cb)(struct addrinfo *, void *), void *cb_data);

#endif /* COMMON_H */