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| Dennis Ritchie |
C is the programming language which was born at AT&T ,s Bell laboratories in USA in year 1972. Language was constructed by Dennis Ritchie. Evolution of C language was done from Language B which was made by Ken Thomson in 1970 , at Bell laboratories . Actually B language was made in reference from the Language BCPL constructed by Martin Richards at Cambridge University in 1967.
C language was the most popular language of that time . So due to popularity of the language new version of languages were discovered which were almost same but in compatible, So system developers had to face many problems . So for keeping C language standard in 1983 , American national standard Institute set a committee for making standard for C . Committee approved a version of C in 1989 which is know as ANSI C . It was then approved by ISO in 1990 It is known as C89, Later on new version of C was approved by Standardization committee In 1999 , it is known as C99many old compilers do not support every features of C99.
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