Ansification
Added #undef for getc/putc where they were being replaced
Added macros to avoid flockfile(3) overhead
Made fgetline() work for Apple (Macintosh) files
Broke standard.h into rtio.h, rterror.h, rtmath.h, and rtmisc.h
Replaced inline copyright notice with #include "copyright.h"
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
updated revision number for release 2.0
eliminated unused variable
Left escape characters in line.
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