/* printif.h   Copyright (C) 2001 Free Software Foundation, Inc.   Written by Marcus Brinkmann.   This program is free software; you can redistribute it and/or   modify it under the terms of the GNU General Public License   as published by the Free Software Foundation; either version 2   of the License, or (at your option) any later version.   This program is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   GNU General Public License for more details.   You should have received a copy of the GNU General Public License   along with this program; if not, write to the Free Software   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,   MA 02110-1301 USA. */#ifndef IFCONFIG_PRINTIF_H#define IFCONFIG_PRINTIF_H#include <net/if.h>#include <arpa/inet.h>#include "ifconfig.h"/* The column position of the cursor.  */extern int *column;/* Whenever you output something, set this to true.  */extern int had_output;struct format_data{  const char *name;/* Name of interface as specified on the command line.  */  struct ifreq *ifr;  int sfd;	/* Socket file descriptor to use.  */  int first;	/* This is the first interface.  */  const char *format;	/* The format string.  */  int depth;	/* Depth of nesting in parsing.  */};typedef struct format_data *format_data_t;typedef void (*format_handler_t)(format_data_t, int, char **);struct format_handle{  const char *name;	/* The name of the handler.  */  format_handler_t handler;};extern struct format_handle format_handles[];/* Each TAB_STOP characters is a default tab stop, which is also used   by '\t'.  */#define TAB_STOP 8void put_char (format_data_t form, char c);void put_string (format_data_t form, const char *s);void put_int (format_data_t form, int argc, char *argv[], int nr);void select_arg (format_data_t form, int argc, char *argv[], int nr);void put_addr (format_data_t form, int argc, char *argv[], struct sockaddr *sa);void put_flags (format_data_t form, int argc, char *argv[], short flags);/* Format handler can mangle form->format, so update it after calling   here.  */void format_handler (const char *name, format_data_t form, int argc, char *argv[]);void fh_nothing (format_data_t form, int argc, char *argv[]);void fh_newline (format_data_t form, int argc, char *argv[]);void fh_tabulator (format_data_t form, int argc, char *argv[]);void fh_first (format_data_t form, int argc, char *argv[]);void fh_tab (format_data_t form, int argc, char *argv[]);void fh_join (format_data_t form, int argc, char *argv[]);void fh_exists_query (format_data_t form, int argc, char *argv[]);void fh_format (format_data_t form, int argc, char *argv[]);void fh_error (format_data_t form, int argc, char *argv[]);void fh_progname (format_data_t form, int argc, char *argv[]);void fh_exit (format_data_t form, int argc, char *argv[]);void fh_name (format_data_t form, int argc, char *argv[]);void fh_index_query (format_data_t form, int argc, char *argv[]);void fh_index (format_data_t form, int argc, char *argv[]);void fh_addr_query (format_data_t form, int argc, char *argv[]);void fh_addr (format_data_t form, int argc, char *argv[]);void fh_netmask_query (format_data_t form, int argc, char *argv[]);void fh_netmask (format_data_t form, int argc, char *argv[]);void fh_brdaddr_query (format_data_t form, int argc, char *argv[]);void fh_brdaddr (format_data_t form, int argc, char *argv[]);void fh_dstaddr_query (format_data_t form, int argc, char *argv[]);void fh_dstaddr (format_data_t form, int argc, char *argv[]);void fh_flags_query (format_data_t form, int argc, char *argv[]);void fh_flags (format_data_t form, int argc, char *argv[]);void fh_mtu_query (format_data_t form, int argc, char *argv[]);void fh_mtu (format_data_t form, int argc, char *argv[]);void fh_metric_query (format_data_t form, int argc, char *argv[]);void fh_metric (format_data_t form, int argc, char *argv[]);/* Used for recursion by format handlers.  */void print_interfaceX (format_data_t form, int quiet);void print_interface (int sfd, const char *name, struct ifreq *ifr, const char *format);#endif