C programming language is a structured programming language, developed by Dennis Ritchie at Bell Laboratories in 1972 . It has been written in assembly language , belonging to  middle level programming language . It’s features were derived from an earlier language called “B” (Basic Combined Programming Language – BCPL) . C language was invented for implementing UNIX operating system . In 1978, Dennis Ritchie and Brian Kernighan published the first edition “The C Programming Language” and commonly known as K&R C . In 1983, the American National Standards Institute (ANSI) established a committee to provide a modern, comprehensive definition of C.  The resulting definition, the ANSI standard , or “ANSI C” , was completed late 1988. This  language is used for developing system applications that forms a major portion of operating systems such as Windows, UNIX and Linux. Some of the features of C language :- ·      ...