libhpcalcs: portable (Windows / MacOS X / Linux) connectivity kit library

[LarsF]

After som struggle to get gdb to run on mac, (its not part of command-line tools anymore...) I get this output of bt

(gdb) bt
#0 0x00007fff8721e3b6 in ?? ()
#1 0x00007fff5fbffa50 in ?? ()
#2 0x000000010000983e in ?? ()
#3 0x00007fff5fbffa6f in ?? ()
#4 0x00000001004000d0 in ?? ()
#5 0x0000000000000000 in ?? ()

I hope that mean something to you :-)