Some log levels changed from INFO to DBG
Formatting & compiler warnings (cast)
avoid false error reporting
Missing comments added
globals are always cleared by definition
Ticket #99: tlc_init() refCon parameter
Ticket #99 pRefCon added to tlc_init()
TRDP_UNRESOLVED_ERR added
VOS_INADDR_ANY defined
Ticket #94: Redundancy handling fixed