dist/ntp/sntp/header.h

   1 /*      $NetBSD: header.h,v 1.2 2003/12/04 16:23:38 drochner Exp $      */
   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 VERSION         "1.6"          /* Just the version string */
  21 #define MAX_SOCKETS        10          /* Maximum number of addresses */
  22
  23 #ifndef LOCKNAME
  24 #    define LOCKNAME "/etc/sntp.pid"  /* Stores the pid */
  25 #endif
  26 #ifndef SAVENAME
  27 #    define SAVENAME "/etc/sntp.state" /* Stores the recovery state */
  28 #endif
  29
  30
  31
  32 /* Defined in main.c */
  33
  34 #define op_client           1          /* Behave as a challenge client */
  35 #define op_listen           2          /* Behave as a listening client */
  36
  37 extern const char *argv0;
  38
  39 extern int verbose, operation;
  40
  41 extern const char *lockname;
  42
  43 extern void fatal (int syserr, const char *message, const char *insert);
  44
  45
  46
  47 /* Defined in unix.c */
  48
  49 extern void do_nothing (int seconds);
  50
  51 extern int ftty (FILE *file);
  52
  53 extern void set_lock (int lock);
  54
  55 extern void log_message (const char *message);
  56
  57
  58
  59 /* Defined in internet.c */
  60
  61 /* extern void find_address (struct in_addr *address, int *port, char *hostname,
  62     int timespan); */
  63
  64 #define PREF_FAM_INET   1
  65 #define PREF_FAM_INET6  2
  66 extern void preferred_family(int);
  67
  68
  69 /* Defined in socket.c */
  70
  71 extern void open_socket (int which, char *hostnames, int timespan);
  72
  73 extern void write_socket (int which, void *packet, int length);
  74
  75 extern int read_socket (int which, void *packet, int length, int waiting);
  76
  77 extern int flush_socket (int which);
  78
  79 extern void close_socket (int which);
  80
  81
  82
  83 /* Defined in timing.c */
  84
  85 extern double current_time (double offset);
  86
  87 extern time_t convert_time (double value, int *millisecs);
  88
  89 extern void adjust_time (double difference, int immediate, double ignore);