#pragma once

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>


int uniqid(void);
void xxd(FILE *stream, const void *buf, size_t length);
ssize_t readall(int fd, void *data, size_t length);
ssize_t writeall(int fd, const void *data, size_t length);
int maxi(int a, int b);
int64_t gettimestamp(void);