Convert a "(void)&" construct to volatile.
Make two variables in wwiomux.c volatile that gcc -Wextra complained about.
Do proper initialization of lcmd_arg tables and flag some variables
__unused so this will compile with gcc -Wextra.
* deprecate register
* replace berkeley string funcs with ansi equivs
* use getopt rather than home grown cruft
* use foo(char *, ...) rather than foo(char *, long, long, long, [long, ...])
christos