- turn a degrees/minutes/seconds format into unsigned 32-bit integer matching the format
required for a DNS LOC record 
- If you have a - nameand a- targetand want to see if you can find a chunk of the- targetthat the- nameends with, this is your function!
 
- dumps the bytes out as if you were using some kind of fancy packet-dumper 
- converts size/precision X * 10**Y(cm) to 0xXY
This code is ported from the C code in RFC1876 (Appendix A, precsize_aton) 
- does the conversion from “example.com” to “7example3com” BUT DOES NOT DO THE TRAILING NULL BECAUSE REASONS 
- Get all the widgets for agent signalling