C LANGUAGE TRAINING CENTER NEAR JALAHALLI/PEENYA /BANGLORE

c language training center jalahalli cross /banglore

C is a general-purpose, high-level language that was originally developed by Dennis M. Ritchie to develop the UNIX operating system at Bell Labs. C was originally first implemented on the DEC PDP-11 computer in 1972.

In 1978, Brian Kernighan and Dennis Ritchie produced the first publicly available description of C, now known as the K&R standard.
The UNIX operating system, the C compiler, and essentially all UNIX application programs have been written in C. C has now become a widely used professional language for various reasons:
 Easy to learn
 Structured language
 It produces efficient programs
 It can handle low-level activities
 It can be compiled on a variety of computer platforms
Facts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about CFacts about C
 C was invented to write an operating system called UNIX.
 C is a successor of B language which was introduced around the early 1970s.
 The language was formalized in 1988 by the American National Standard Institute (ANSI).
 The UNIX OS was totally written in C.
 Today C is the most widely used and popular System Programming Language.
 Most of the state-of-the-art software have been implemented using C.
 Today’s most popular Linux OS and RDBMS MySQL have been written in C.

C was initially used for system development work, particularly the programs that make-up the operating system. C was adopted as a system development language because it produces code that runs nearly as fast as the code written in assembly language. Some examples of the use of C might be:

 Language Compilers
 Assemblers
 Text Editors
 Print Spoolers
 Network Drivers
 Modern Programs
 Databases
 Language Interpreters
 Utilities

A C program can vary from 3 lines to millions of lines and it should be written into one or more text files with extension “.c”; for example, hello.c. You can use “vi”, “vim” or any other text editor to write your C program into a file.
This tutorial assumes that you know how to edit a text file and how to write source code inside a program file.
C Programming You really do not need to set up your own environment to start learning C programming language. Reason is very simple, we already have set up C Programming environment online, so that you can compile and execute all the available examples online at the same time when you are doing your theory work. This gives you confidence in what you are reading and to check the result with different options. Feel free to modify any example and execute it online.

#include <stdio.h>
int main()
{

printf(“Hello, World! \n”);
return 0;
}
For most of the examples given in this tutorial, you will find the Try it option in our website code sections at the top right corner that will take you to the online compiler. So just make use of it and enjoy your learning.
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If you want to set up your environment for C programming language, you need the following two software tools available on your computer, (a) Text Editor and (b) The C Compiler.
Text EditorText EditorText EditorText EditorText EditorText EditorText EditorText EditorText EditorText EditorText Editor

The name and version of text editors can vary on different operating systems. For example, Notepad will be used on Windows, and vim or vi can be used on Windows as well as on Linux or UNIX.
The files you create with your editor are called the source files and they contain the program source codes. The source files for C programs are typically named with the extension “.c”.
Before starting your programming, make sure you have one text editor in place and you have enough experience to write a computer program, save it in a file, compile it and finally execute it.

The source code written in source file is the human readable source for your program. It needs to be “compiled” into machine language so that your CPU can actually execute the program as per the instructions given.
The compiler compiles the source codes into final executable programs. The most frequently used and free available compiler is the GNU C/C++ compiler, otherwise you can have compilers either from HP or Solaris if you have the respective operating systems.
The following section explains how to install GNU C/C++ compiler on various OS. m We keep mentioning C/C++ together because GNU gcc compiler works for both C and C++ programming languages.
If you are using Linux or UNIX, then check whether GCC is installed on your system by entering the following command from the command line:
$ gcc -v
If you have GNU compiler installed on your machine, then it should print a message as follows:
Using built-in specs.
Target: i386-redhat-linux
Configured with: ../configure –prefix=/usr …….
Thread model: posix
gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)
If GCC is not installed, then you will have to install it yourself using the detailed instructions available at http://gcc.gnu.org/install/.
This tutorial has been written based on Linux and all the given examples have been compiled on the Cent OS flavor of the Linux system.

*Conditions Apply
Thanks and Regards,
rajeswari srikanth

Systems Domain Jalahalli center

Systems Domain Jalahalli center

Contact Neha  @9986234938
Land line : 28372214/15
Email : kavyajl@systemdomain.net / sdjl@systemdomain.net

Systems Domain Pvt.Ltd
#12, 3rd Floor, Shabari Complex,
Above Reliance Fresh, Near Ayyappa Temple,
Jalahalli Cross, Bangalore -560057

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