|Added in version 2.1|
void (*aw_callback (AW_CALLBACK c)) (int rc)
Returns the callback handler for an asynchronous call.
None (returns immediately)
- Callback (defined in Aw.h)
- Pointer to the callback handler.
- If no callback handler is installed. Or if the callback was invalid.
if (aw_callback (AW_CALLBACK_ADDRESS)) printf ("A callback handler is installed for looking up IP addresses\n"); else printf ("No callback handler is installed for looking up IP addresses\n");