Orhan Gazi is employed as a Professor of Electrical and Electronics Engineering in Ankara Medipol University. He completed his BS, MS, and PhD degrees in Electrical and Electronics Engineering from Middle East Technical University, Ankara, Turkey, in 1996, 2001 and 2007, respectively. His research areas involve signal processing, information theory, and forward error correction. More recently, he has begun studying polar channel codes and preparing publications in this area. He has published several textbooks on signal processing, information theory, channel coding, VHDL circuit design, and FPGA programming.

• Introduction.- Standards of C Language.- Data Types.- Operators.- Loops.- Conditional Statements.- Functions.- Structures.- Complex Numbers.- Pointers.- Dynamic Memory Allocation.- Preprocessor.- File Operations.- Integer Types.- Type Conversion.- Signals in C.- Multithreading.- Atomic Data Types.- Bit Function in C23.- Conclusion.