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ntp 4.2.6p5

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