C programming
Books - Language
Head first C
Author: David & Dawn Griffiths
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Sams Teach Yourself C in 21 Days
Bradley L. Jones and Peter Aitken
The C Programming Language - 2nd
BRIAN W KERNIGHANDENNIS M. RITCHIE
Books - Data structure
Data struture using C - Reema Thareja - 2nd
Sugesstion from https://www.quora.com/What-are-the-best-books-on-algorithms-and-data-structures