Added prototypes submitted by Randolph Fritz.
Added grouping parens to reduce ambiguity warnings.
Various small changes to reduce compile warnings/errors on Windows.
Added (void *) cast to realloc calls
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
increased limit on continued lines
changed logic in printvars() to generate continued lines
added function pointer for matching variables to setvariable
replaced calls to exit() with calls to quit()
added declaration of fgetline()
fixed reaction to empty variable assignment
changed parameter to nvalue()
Initial revision
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