dns.h: label functions that are only used inside feature/relay

int dns_init(void);

int has_dns_init_failed(void);

void dns_free_all(void);

int dns_reset(void);

void connection_dns_remove(edge_connection_t *conn);

void assert_connection_edge_not_dns_pending(edge_connection_t *conn);

void assert_all_pending_dns_resolves_ok(void);

MOCK_DECL(void,dns_cancel_pending_resolve,(const char *question));

int dns_resolve(edge_connection_t *exitconn);

void dns_launch_correctness_checks(void);

int dns_seems_to_be_broken(void);

int dns_seems_to_be_broken_for_ipv6(void);

void dns_reset_correctness_checks(void);

void dump_dns_mem_usage(int severity);

size_t dns_cache_handle_oom(time_t now, size_t min_remove_bytes);

/* These functions are only used within the feature/relay module, and don't

 * need stubs. */

void dns_free_all(void);

void dns_launch_correctness_checks(void);

#else /* !defined(HAVE_MODULE_RELAY) */

#define dns_init() (0)