Added missing rtio.h include to redefine getc, putc, etc.
Continued ANSIfication, and other fixes and clarifications.
Macros for setting binary file mode. Replacing MSDOS by _WIN32.
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
changed gamma to gamcor
added math.h for atof() usage
changes for 32-bit PC port
eliminated atof declarations for NeXT
removed reference to stdlib.h
bug fixes from second version
updated revision number for release 2.0
Improved handling of scanline ordering
compatibility fixes
added ra_pict program
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