nutscan_scan_avahi - Scan network for NUT services via mDNS
nutscan_device_t * nutscan_scan_avahi(long usec_timeout);
function tries to detect the NUT service via
mDNS, and its associated devices. It uses the Avahi library to do so.
You MUST call nutscan_init
(3) before using this function.
This function waits up to usec_timeout
microseconds before considering an
IP address to be unresponsive.
function returns a pointer to a nutscan_device_t
structure containing all found devices. It returns NULL if an error occurs, or
if no device is found.