/*

 * Copyright (c) 1995 Danny Gasparovski.

 *

 * Please read the file COPYRIGHT for the

 * terms and conditions of the copyright.

 */

#ifdef HAVE_SYS_SELECT_H

#include <sys/select.h>

#endif

#define TOWRITEMAX 512

extern struct timeval tt;

extern int link_up;

extern int slirp_socket;

extern int slirp_socket_unit;

extern int slirp_socket_port;

extern u_int32_t slirp_socket_addr;

extern char *slirp_socket_passwd;

extern int ctty_closed;

/*

 * Get the difference in 2 times from updtim()

 * Allow for wraparound times, "just in case"

 * x is the greater of the 2 (current time) and y is

 * what it's being compared against.

 */

#define TIME_DIFF(x,y) (x)-(y) < 0 ? ~0-(y)+(x) : (x)-(y)

extern char *slirp_tty;

extern char *exec_shell;

extern u_int curtime;

extern fd_set *global_readfds, *global_writefds, *global_xfds;

extern struct in_addr ctl_addr;

extern struct in_addr special_addr;

extern struct in_addr alias_addr;

extern struct in_addr our_addr;

extern struct in_addr loopback_addr;

extern struct in_addr dns_addr;

extern char *username;

extern char *socket_path;

extern int towrite_max;

extern int ppp_exit;

extern int tcp_keepintvl;

extern uint8_t client_ethaddr[6];

#define PROTO_SLIP 0x1

#ifdef USE_PPP

#define PROTO_PPP 0x2

#endif

void if_encap(const uint8_t *ip_data, int ip_data_len);