+/** A connection context */
+typedef struct AvahiClient AvahiClient;
+
+/** States of a client object, a superset of AvahiServerState */
+typedef enum {
+ AVAHI_CLIENT_S_REGISTERING = AVAHI_SERVER_REGISTERING, /**< Server state: REGISTERING */
+ AVAHI_CLIENT_S_RUNNING = AVAHI_SERVER_RUNNING, /**< Server state: RUNNING */
+ AVAHI_CLIENT_S_COLLISION = AVAHI_SERVER_COLLISION, /**< Server state: COLLISION */
+ AVAHI_CLIENT_FAILURE = 100, /**< Some kind of error happened on the client side */
+ AVAHI_CLIENT_CONNECTING = 101 /**< We're still connecting. This state is only entered when AVAHI_CLIENT_NO_FAIL has been passed to avahi_client_new() and the daemon is not yet available. */
+} AvahiClientState;
+
+typedef enum {
+ AVAHI_CLIENT_IGNORE_USER_CONFIG = 1, /**< Don't read user configuration */
+ AVAHI_CLIENT_NO_FAIL = 2 /**< Don't fail if the daemon is not available when avahi_client_new() is called, instead enter AVAHI_CLIENT_CONNECTING state and wait for the daemon to appear */
+} AvahiClientFlags;
+
+/** The function prototype for the callback of an AvahiClient */
+typedef void (*AvahiClientCallback) (
+ AvahiClient *s,
+ AvahiClientState state /**< The new state of the client */,
+ void* userdata /**< The user data that was passed to avahi_client_new() */);