. remove SYSV compatibility bits
. sort #include's
. ifdef unused code
. cleanup BDECFLAGS warnings
. fixed few typos in diagnostics messages
. style(9) fixes
as part of this cleanup I have changed all K&R declarations to ANSI style.
Main reason for doing that was great mix of declarations used here - clean
ASNI , clean K&R, ifdef'ed (both).
Reviewed by: ache (mostly)
o main returns int not void
o use return 0 at end of main when needed
o use braces to avoid potentially ambiguous else
o don't default to type int
o #ifdef 0 -> #if 0
Reviewed by: obrien and chuckr
