This change cleans up warnings issued when compiled with -Wall. - Removed unused functions and variables. - Moved static declarations out of headers and into source files - Added braces around initialization where suggested.
- Correct line endings on 3b2_ctc.c/.h and on 3b2_ports.c/.h. - Ensured CONST on const char* arrays.
This change adds Common-IO implementations of the PORTS 4-port serial line card and the CTC tape controller card.
