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/*
* filter.h - Filter handling
*
* Written 2001 by Werner Almesberger
* Copyright 2001 EPFL-ICA
*/
#ifndef FILTER_H
#define FILTER_H
#include "data.h"
#include "param.h"
#include "location.h"
#include "tree.h"
extern FILTER_DSC fw_dsc;
extern FILTER_DSC route_dsc;
extern FILTER_DSC rsvp_dsc;
extern FILTER_DSC tcindex_dsc;
extern FILTER_DSC if_dsc;
extern CLASS class_is_tunnel;
/* "magic" class, which identifies tunnel selection */
extern PARAM_DEF tunnel_param;
extern CLASS class_is_drop;
/* "magic" class, which identifies drop selection */
void add_element(ELEMENT *element,PARENT parent);
void add_filter(FILTER *filter);
ELEMENT *add_if(DATA expression,PARENT parent,FILTER *filter,LOCATION loc);
void check_filters(FILTER *list);
void dump_filters(FILTER *list);
#endif /* FILTER_H */
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