header (C) fixes
*: spelling fixes, thanks Timeless!
Automated rebranding to Oracle copyright/license strings via filemuncher
IPRT,HostDrv,AddDrv: Export public IPRT symbols for the linux kernel (pain).
Just RTSTR_MAX.
false positive but fixing does not hurt
IPRT: Added a couple of function for simple string pattern matching (from STAM).