- From Simple English Wikipedia, the free encyclopedia C programming language logo The C programming language is a computer programming language that was developed to do system programming for the operating system UNIX and is an imperative programming language. C was developed in the early 1970s by Ken Thompson and Dennis Ritchie at Bell Labs.
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The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the language, as well as co-designed the Unix operating system with which development of the language was closely intertwined.
- Brian W. Kernighan, Dennis M. Ritchie
- 1978 (1st Edition), 1988 (2nd Edition)
- C Standards
- Example Code
- Related Pages
- Other Websites
There are three successive standards for the C programming language ANSI C, ISO C and Standard Cwhich are published by the American National Standards Institute(ANSI) and the International Organization for Standardization(ISO). C is available for many different types of computers. This is why C is called a "portable" language. A program that is written in C and that respects certain limitations can be compiled for many different platforms. The syntax of C has also influenced many other programming languages, such as C++, C#, and Java, and many more programming languages we use nowadays.
Here is an example of a program written in C. When built and run it will show "Hello world!", followed by a new line on the computer screen. 1. #include gets the standard input/output tools ready for the program to use. This allows text to be displayed (output). 2. intmain()is called the main function, and it is where the first code starts being run in a C program. 3. printf("Hello world!\ ");is what displays text, in this case "Hello world!" with a new line (\ ) at the end. 4. return0;tells the computer that the program finished and did not run into problems.
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C este simbolul pentru Coulomb, unitate de măsură pentru sarcină electrică. c este simbolul pentru viteza luminii în vid . c este simbolul prefixului SI centi- , reprezentând 0,01 din unitatea de măsură asupra căreia se aplică.