external/bsd/ntp/dist/sntp/header.h

   1 /*      $NetBSD$        */
   2
   3 /*  Copyright (C) 1996 N.M. Maclaren
   4     Copyright (C) 1996 The University of Cambridge
   5
   6 This includes all of the 'safe' headers and definitions used across modules.
   7 No changes should be needed for any system that is even remotely like Unix. */
   8
   9
  10
  11 #include <ctype.h>
  12 #include <errno.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <time.h>
  17
  18
  19
  20 #define MAX_SOCKETS        10          /* Maximum number of addresses */
  21
  22 #ifndef LOCKNAME
  23 #    define LOCKNAME "/etc/sntp.pid"  /* Stores the pid */
  24 #endif
  25 #ifndef SAVENAME
  26 #    define SAVENAME "/etc/sntp.state" /* Stores the recovery state */
  27 #endif
  28
  29 #define DEBUG
  30
  31
  32
  33 /* Defined in main.c */
  34
  35 #define op_client           1          /* Behave as a challenge client */
  36 #define op_listen           2          /* Behave as a listening client */
  37
  38 /* extern const char *argv0;
  39
  40 extern int verbose, operation;
  41
  42 extern const char *lockname;
  43
  44 extern void fatal (int syserr, const char *message, const char *insert);
  45
  46
  47
  48  Defined in unix.c */
  49
  50 extern void do_nothing (int seconds);
  51
  52 extern int ftty (FILE *file);
  53
  54 extern void set_lock (int lock);
  55
  56 extern void log_message (const char *message);
  57
  58
  59
  60 /* Defined in internet.c */
  61
  62 /* extern void find_address (struct in_addr *address, int *port, char *hostname,
  63     int timespan); */
  64
  65 #define PREF_FAM_INET   1
  66 #define PREF_FAM_INET6  2
  67 extern void preferred_family(int);
  68
  69
  70 /* Defined in socket.c */
  71
  72 extern void open_socket (int which, char *hostnames, int timespan);
  73
  74 extern void write_socket (int which, void *packet, int length);
  75
  76 extern int read_socket (int which, void *packet, int length, int waiting);
  77
  78 extern int flush_socket (int which);
  79
  80 /* extern void close_socket (int which); */
  81
  82
  83
  84 /* Defined in timing.c */
  85
  86 extern double current_time (double offset);
  87
  88 extern time_t convert_time (double value, int *millisecs);
  89
  90 extern void adjust_time (double difference, int immediate, double ignore);