The contents of this book represent a series of lectures given in the engineering level class on C Programming. We have great pleasure in presenting the First edition of this book. "C PROGRAMMING" is a core subject for B-Tech, BE,BSc, MCA, BCA and Diploma Students for interring the computer technology. This book is primarily intended to serve as a textbook in according with syllabus of C Programming ,C Programming offered by various universities in India as well as abroad.