Continued ANSIfication and reduced other compile warnings.
Eliminated copystruct() macro, which is unnecessary in ANSI. Reduced ambiguity warnings for nested if/if/else clauses.
Fixed prototype mismatch detected by Randolph Fritz.
Reduced compile warnings/errors on Windows.
Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
numerous bug fixes associated with the -r option
added -r option for smoothed edges
added checking for too many vertices
added conditional declaration of atof()
Removed unnecessary declaration of atof()
removed atof declaration for NeXT
updated revision number for release 2.0
fixed mistaken parameter
Initial revision
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