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by davidw 3978 days ago
There is also an updated version out (with my name on the cover, to boot:-)

http://amzn.to/1LQrLTK

Although even that is not super recent.

Tcl's C API is very pleasant to work with, and its C code is a good read - except for the regex stuff, which are the first few files you'd see in an alphabetical listing.