The only low level library you'll ever need.
BurgerLib is copyright 1995-2016 by Rebecca Ann Heineman. Email all suggestions, corrections, optimizations and insults to her and she'll be eternally grateful.
You can always find the latest version of Burgerlib's source code here or the precompiled version here, also check out Rebecca's personal website http://www.burgerbecky.com.
Offline documentation for Windows can be downloaded here.
Sections of interest:
Rebecca Ann Heineman - most of the codebase
Gary S. Brown - CRC32B
Jean-loup Gailly - Original Zlib compressor
Mark Adler - Original Zlib decompressor
Thatcher Ulrich - Hash template
Daniel Julius Bernstein - djb2 hash algorithm
Matt Pritchard - SafePrint