void (*aw_callback (AW_CALLBACK c)) (int rc)

DESCRIPTION

Returns a callback handler for an asynchronous call. 0 is returned if no callback handler is in effect.

EXAMPLE

printf ("%s callback handler is established for adding citizens",
  aw_callback (AW_CALLBACK_CITIZEN_ADD) ? "A" : "No");

SEE ALSO

aw_callback_set
aw_event
aw_event_set