-extern inline struct ipt_target *
-ipt_find_target_lock(const char *name, int *error, struct semaphore *mutex);
-extern inline struct ip6t_target *
-ip6t_find_target_lock(const char *name, int *error, struct semaphore *mutex);
-extern inline struct arpt_target *
-arpt_find_target_lock(const char *name, int *error, struct semaphore *mutex);