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Why use FFI – Some good reason to start playing with Ruby-FFI
Basic usage – Basic concept underlying Ruby-FFI
Enums – Using enums with FFI
Examples – Real-world(ish) examples
Types – A list of the supported types (like :int, etc.)
Automatic Struct Layout – How to calculate FFI::Struct layouts for any platform, automatically.
Projects Using FFI – A list of projects using FFI
Presentations – Talks and Presentations about FFI and related projects
Mailing list – Ask for support here!
rdoc – detailed documentation here