dist/ntp/ntpdc/ntpdc.h

   1 /*      $NetBSD: ntpdc.h,v 1.2 2003/12/04 16:23:38 drochner Exp $       */
   2
   3 /*
   4  * ntpdc.h - definitions of interest to ntpdc
   5  */
   6 #include "ntp_fp.h"
   7 #include "ntp.h"
   8 #include "ntp_request.h"
   9 #include "ntp_string.h"
  10 #include "ntp_malloc.h"
  11
  12 /*
  13  * Maximum number of arguments
  14  */
  15 #define MAXARGS 4
  16 #define MOREARGS 10
  17
  18 /*
  19  * Flags for forming descriptors.
  20  */
  21 #define OPT             0x80    /* this argument is optional, or'd with type */
  22
  23 #define NO              0x0
  24 #define NTP_STR         0x1     /* string argument */
  25 #define NTP_UINT        0x2     /* unsigned integer */
  26 #define NTP_INT         0x3     /* signed integer */
  27 #define NTP_ADD         0x4     /* IP network address */
  28 #define IP_VERSION      0x5     /* IP version */
  29
  30 /*
  31  * Arguments are returned in a struct - no
  32  * union space saving is attempted.
  33  */
  34 typedef struct {
  35         u_char type;
  36         char *string;
  37         long ival;
  38         u_long uval;
  39         struct sockaddr_storage netnum;
  40 } arg_v;
  41
  42 /*
  43  * Structure for passing parsed command line
  44  */
  45 struct parse {
  46         char *keyword;
  47         arg_v argval[MAXARGS + MOREARGS];
  48         int nargs;
  49 };
  50
  51 /*
  52  * ntpdc includes a command parser which could charitably be called
  53  * crude.  The following structure is used to define the command
  54  * syntax.
  55  */
  56 struct xcmd {
  57   const char *keyword;          /* command key word */
  58         void (*handler) P((struct parse *, FILE *));    /* command handler */
  59         u_char arg[MAXARGS];    /* descriptors for arguments */
  60   const char *desc[MAXARGS];    /* descriptions for arguments */
  61   const char *comment;
  62 };
  63
  64 extern  int impl_ver;
  65 extern  int showhostnames;
  66 extern  int s_port;
  67
  68 extern  int     doquery P((int, int, int, int, int, char *, int *, int *, char **, int, int));
  69 extern  char *  nntohost        P((struct sockaddr_storage *));