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After diving into the C language through K&R, and then studying portability (see C Portability Lessons from Weird Machines), my next challenge was to take a systematic look at the standard library. To do this I worked through P. J. Plauger’s book The Standard C Library (ISBN 978-0131315099) where he examines an implementation of all the functions. It has a chapter for each header, with background information, an excerpt from the C89 standard, tips on use, and full implemention with tests. The a...