Pointers in The C Programming Language

One of the most difficult and important thing in C is pointers. However, the concept of pointers often is not explained in detail in most C textbooks. This book is designed to provide an understanding about pointers in depth. Try this book, If you have a trouble with pointers

see sample pages of this book at

https://play.google.com/books/reader?id=QVqcBgAAQBAJ&printsec=frontcover&output=reader&hl=en&pg=GBS.PA1