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      1 #ifndef __SEPOL_INTERFACES_H_
      2 #define __SEPOL_INTERFACES_H_
      3 
      4 #include <sepol/policydb.h>
      5 #include <sepol/iface_record.h>
      6 #include <sepol/handle.h>
      7 
      8 /* Return the number of interfaces */
      9 extern int sepol_iface_count(sepol_handle_t * handle,
     10 			     const sepol_policydb_t * policydb,
     11 			     unsigned int *response);
     12 
     13 /* Check if an interface exists */
     14 extern int sepol_iface_exists(sepol_handle_t * handle,
     15 			      const sepol_policydb_t * policydb,
     16 			      const sepol_iface_key_t * key, int *response);
     17 
     18 /* Query an interface - returns the interface,
     19  * or NULL if not found */
     20 extern int sepol_iface_query(sepol_handle_t * handle,
     21 			     const sepol_policydb_t * policydb,
     22 			     const sepol_iface_key_t * key,
     23 			     sepol_iface_t ** response);
     24 
     25 /* Modify an interface, or add it, if the key
     26  * is not found */
     27 extern int sepol_iface_modify(sepol_handle_t * handle,
     28 			      sepol_policydb_t * policydb,
     29 			      const sepol_iface_key_t * key,
     30 			      const sepol_iface_t * data);
     31 
     32 /* Iterate the interfaces
     33  * The handler may return:
     34  * -1 to signal an error condition,
     35  * 1 to signal successful exit
     36  * 0 to signal continue */
     37 
     38 extern int sepol_iface_iterate(sepol_handle_t * handle,
     39 			       const sepol_policydb_t * policydb,
     40 			       int (*fn) (const sepol_iface_t * iface,
     41 					  void *fn_arg), void *arg);
     42 
     43 #endif
     44