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The C programming language was created in the 1970s by Brian Kernighan and Dennis Ritchie. It was the first programming language used to completely write an operating system (Unix). Earlier operating systems were written in assembly langugage. The American National Standards Institute(ANSI) was responsible for creating a standard for the C language. This enabled C compilers to be written for many different platforms making C widely popular.
ANSI C continues to be popular till this date compared to other programming languages. It is best suited for having total control of a system and used heavily in embedded and systems programming.
Also there are several compilers provided by vendors which in addition to ANSI C provide additional libraries and functionalities specific to a platform. There are also several frameworks built up using C to meet requirements such as programming for graphics, database access, etc.
