Minor optimizations in ray-triangle intersection test
Continued ANSIfication. There are only bits and pieces left now.
Eliminated copystruct() macro, which is unnecessary in ANSI. Reduced ambiguity warnings for nested if/if/else clauses.
Replaced most outdated BSD function calls with their posix equivalents, and cleaned up a few other platform dependencies.
Abstracted process and path handling for Windows. Renamed FLOAT to RREAL because of conflict on Windows. Added conditional compiles for some signal handlers.
Changed instances of "int4" to "int32" and "int2" to "int16"
Added -a option to obj2mesh to incorporate materials in mesh
Returned old behavior with flat surfaces and improved documentation
Numerous bug fixes in new mesh code
Created man page for obj2mesh and added -o option to gensurf
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