C Programming is an ANSI/ISO standard and powerful programming language for developing real time applications. C programming language was invented by Dennis Ritchie at the Bell Laboratories in 1972. It was invented for implementing UNIX operating system. C is most widely used programming language even today. All other programming languages were derived directly or indirectly from C programming concepts. This tutorial explains all basic concepts in C like history of C language, data types, keywords, constants, variables, operators, expressions, control statements, array, pointer, string, library functions, structures and unions etc. Ch352 Pci Serial And Parallel Port. This C programming tutorial is designed for the new learners, students and also for the corporate level developers who want to learn and refresh their C programming skills.

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C programming history: The C language is a structure oriented programming language, was developed at Bell Laboratories in 1972 by Dennis Ritchie. C language features were derived from an earlier language called “B” (Basic Combined Programming Language – BCPL). C language was invented for implementing UNIX operating system.

C programming basics: Steps to be followed for any C program to create and get the output are explained. This is common to all C programs and there is no exception, whether its a very small C program or very large program. Structure of a C program is defined by a set of rules called protocol, to be followed by programmer while writing a C program C – printf and scanf: printf() and scanf() functions are inbuilt library functions in C which are available in the C library by default. These functions are declared and related macros are defined in “stdio.h” which is a header file. We have to include “stdio.h” file as shown in below C program to make use of these printf() and scanf() library functions. C – Data Types: C data types are defined as the data storage format that a variable can store a data to perform a specific operation.

Data types are used to define a variable before using in a program. Size of variable, const and array are determined by data types. There are four data types in the C language.