1970C

1970C is a programming language developed by the University of California, Berkeley, in the early 1970s. It is an extension of the B programming language, which was created by Ken Thompson as a simplified version of BCPL. 1970C was designed to be a more efficient and portable language, with a focus on system programming and operating system development. It introduced several features that would later become standard in the C programming language, such as the use of the asterisk (*) for pointer dereferencing and the ampersand (&) for taking the address of a variable. The language also included a preprocessor, which allowed for the inclusion of header files and the definition of macros. 1970C was used to write the first version of the Unix operating system, and its influence can be seen in the development of C and other modern programming languages. Despite its historical significance, 1970C is no longer in use, as it has been largely superseded by C and other more modern languages.