#pragma once
#include <sys/socket.h>

#define IPPROTO_TCP 1
#define IPPROTO_UDP 2
#define IPPROTO_IP 4

struct in_addr {
	in_addr_t s_addr;
};

struct sockaddr_in {
	sa_family_t sin_family; /* AF_INET */
	in_port_t sin_port;
	struct in_addr sin_addr;
};