The "C Programming for Embedded Systems" is one of the best book, it play important role in c programming with extra tips and knowledge about programming, from this book we learn lots of programming tips and this book take us into different world of programming, it gives the concept of programming and other terms like; data structure, loop structures(while loop, do while loop and for loop) and also gives the concept of variables and data type also define properly about Functions like printf() function, getch() function, void main() functions in details .