-/*
- * Prototypes.
- */
-
-/* Procedures exported from main.c. */
-void detach __P((void)); /* Detach from controlling tty */
-void die __P((int)); /* Cleanup and exit */
-void quit __P((void)); /* like die(1) */
-void novm __P((char *)); /* Say we ran out of memory, and die */
-void timeout __P((void (*func)(void *), void *arg, int t));
- /* Call func(arg) after t seconds */
-void untimeout __P((void (*func)(void *), void *arg));
- /* Cancel call to func(arg) */
-pid_t run_program __P((char *prog, char **args, int must_exist,
- void (*done)(void *), void *arg));
- /* Run program prog with args in child */
-void demuxprotrej __P((int, int));
- /* Demultiplex a Protocol-Reject */
-void log_packet __P((u_char *, int, char *, int));
- /* Format a packet and log it with syslog */
-void print_string __P((char *, int, void (*) (void *, char *, ...),
- void *)); /* Format a string for output */
-int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
-int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
-void script_setenv __P((char *, char *)); /* set script env var */
-void script_unsetenv __P((char *)); /* unset script env var */
-size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
-size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
-void dbglog __P((char *, ...)); /* log a debug message */
-void info __P((char *, ...)); /* log an informational message */
-void notice __P((char *, ...)); /* log a notice-level message */
-void warn __P((char *, ...)); /* log a warning message */
-void error __P((char *, ...)); /* log an error message */
-void fatal __P((char *, ...)); /* log an error message and die(1) */
-
-/* Procedures exported from auth.c */
-void link_required __P((int)); /* we are starting to use the link */
-void link_terminated __P((int)); /* we are finished with the link */
-void link_down __P((int)); /* the LCP layer has left the Opened state */
-void link_established __P((int)); /* the link is up; authenticate now */
-void np_up __P((int, int)); /* a network protocol has come up */
-void np_down __P((int, int)); /* a network protocol has gone down */
-void np_finished __P((int, int)); /* a network protocol no longer needs link */
-void auth_peer_fail __P((int, int));
- /* peer failed to authenticate itself */
-void auth_peer_success __P((int, int, char *, int));
- /* peer successfully authenticated itself */
-void auth_withpeer_fail __P((int, int));
- /* we failed to authenticate ourselves */
-void auth_withpeer_success __P((int, int));
- /* we successfully authenticated ourselves */
-void auth_check_options __P((void));
- /* check authentication options supplied */
-void auth_reset __P((int)); /* check what secrets we have */
-int check_passwd __P((int, char *, int, char *, int, char **, int *));
- /* Check peer-supplied username/password */
-int get_secret __P((int, char *, char *, char *, int *, int));
- /* get "secret" for chap */
-int auth_ip_addr __P((int, u_int32_t));
- /* check if IP address is authorized */
-int bad_ip_adrs __P((u_int32_t));
- /* check if IP address is unreasonable */
-
-/* Procedures exported from demand.c */
-void demand_conf __P((void)); /* config interface(s) for demand-dial */
-void demand_block __P((void)); /* set all NPs to queue up packets */
-void demand_unblock __P((void)); /* set all NPs to pass packets */
-void demand_discard __P((void)); /* set all NPs to discard packets */
-void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
-int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
-int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
-
-/* Procedures exported from sys-*.c */
-void sys_init __P((void)); /* Do system-dependent initialization */
-void sys_cleanup __P((void)); /* Restore system state before exiting */
-int sys_check_options __P((void)); /* Check options specified */
-void sys_close __P((void)); /* Clean up in a child before execing */
-int ppp_available __P((void)); /* Test whether ppp kernel support exists */
-int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
-int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
-int establish_ppp __P((int)); /* Turn serial port into a ppp interface */
-void restore_loop __P((void)); /* Transfer ppp unit back to loopback */
-void disestablish_ppp __P((int)); /* Restore port to normal operation */
-void clean_check __P((void)); /* Check if line was 8-bit clean */
-void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
-void restore_tty __P((int)); /* Restore port's original parameters */
-void setdtr __P((int, int)); /* Raise or lower port's DTR line */
-void output __P((int, u_char *, int)); /* Output a PPP packet */
-void wait_input __P((struct timeval *));
- /* Wait for input, with timeout */
-void add_fd __P((int)); /* Add fd to set to wait for */
-void remove_fd __P((int)); /* Remove fd from set to wait for */
-int read_packet __P((u_char *)); /* Read PPP packet */
-int get_loop_output __P((void)); /* Read pkts from loopback */
-void ppp_send_config __P((int, int, u_int32_t, int, int));
- /* Configure i/f transmit parameters */
-void ppp_set_xaccm __P((int, ext_accm));
- /* Set extended transmit ACCM */
-void ppp_recv_config __P((int, int, u_int32_t, int, int));
- /* Configure i/f receive parameters */
-int ccp_test __P((int, u_char *, int, int));
- /* Test support for compression scheme */
-void ccp_flags_set __P((int, int, int));
- /* Set kernel CCP state */
-int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
-int get_idle_time __P((int, struct ppp_idle *));
- /* Find out how long link has been idle */
-int get_ppp_stats __P((int, struct pppd_stats *));
- /* Return link statistics */
-int sifvjcomp __P((int, int, int, int));
- /* Configure VJ TCP header compression */
-int sifup __P((int)); /* Configure i/f up (for IP) */
-int sifnpmode __P((int u, int proto, enum NPmode mode));
- /* Set mode for handling packets for proto */
-int sifdown __P((int)); /* Configure i/f down (for IP) */
-int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
- /* Configure IP addresses for i/f */
-int cifaddr __P((int, u_int32_t, u_int32_t));
- /* Reset i/f IP addresses */
-int sifdefaultroute __P((int, u_int32_t, u_int32_t));
- /* Create default route through i/f */
-int cifdefaultroute __P((int, u_int32_t, u_int32_t));
- /* Delete default route through i/f */
-int sifproxyarp __P((int, u_int32_t));
- /* Add proxy ARP entry for peer */
-int cifproxyarp __P((int, u_int32_t));
- /* Delete proxy ARP entry for peer */
-u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
-int lock __P((char *)); /* Create lock file for device */
-void unlock __P((void)); /* Delete previously-created lock file */
-int daemon __P((int, int)); /* Detach us from terminal session */
-void logwtmp __P((const char *, const char *, const char *));
- /* Write entry to wtmp file */
-int get_host_seed __P((void)); /* Get host-dependent random number seed */
-int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
-#ifdef PPP_FILTER
-int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
- /* Set filter programs in kernel */
-#endif
-#ifdef IPX_CHANGE
-int sipxfaddr __P((int, unsigned long, unsigned char *));
-int cipxfaddr __P((int));
-#endif