C Tutorials

The Birth and history of C Programming Language

  • 2007-09-07
  • Comments
  • Emiley J
  • 9414

The C language shook the computer world. Its impact should not be underestimated, because it fundamentally changed the way programming was approached and thought about. The creation of C was a direct result of the need for a structured, efficient, highlevel language that could replace assembly code when creating systems programs. As you probably know, when a computer language is designed, trade-offs are often made, such as the following:
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Basics of C

  • 2007-09-20
  • Comments
  • Abinaya
  • 9414

C is a general-purpose programming language. It has been closely associated with the UNIX operating system where it was developed, since both the system and most of the programs that run on it are written in C. The language, however, is not tied to any one operating system or machine; and although it has been called a ``system programming language'' because it is useful for writing compilers and operating systems, it has been used equally well to write major programs in many different domains.
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Getting Started with C

  • 2007-09-20
  • Comments
  • Baski
  • 9414

The only way to learn a new programming language is by writing programs in it. The first program to write is the same for all languages:  Print the words, hello, world. This is a big hurdle; to leap over it you have to be able to create the program text somewhere, compile it successfully, load it, run it, and find out where your output went. With these mechanical details mastered, everything else is comparatively easy.
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Variables and Arithmetic Expressions in C

  • 2007-09-20
  • Comments
  • Charles
  • 9414

This C sample program uses the formula oC=(5/9)(oF-32) to print the following table of Fahrenheit temperatures and their centigrade or Celsius equivalents:
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The for statement in C

  • 2007-09-20
  • Comments
  • Daniel Malcolm
  • 9414

The for statement is a loop, a generalization of the while. If you compare it to the earlier while, its operation should be clear. Within the parentheses, there are three parts, separated by semicolons. The first part, the initialization
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Functions in C

  • 2007-09-20
  • Comments
  • Kamini
  • 9414

In C, a function is equivalent to a subroutine or function in Fortran, or a procedure or function in Pascal. A function provides a convenient way to encapsulate some computation, which can then be used without worrying about its implementation. With properly designed functions, it is possible to ignore how a job is done; knowing what is done is sufficient. C makes the sue of functions easy, convinient and efficient; you will often see a short function defined and called only once, just because it clarifies some piece of code.
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Basics of Structures in C

  • 2007-09-22
  • Comments
  • Grenfel
  • 9414

The keyword struct introduces a structure declaration, which is a list of declarations enclosed in braces. An optional name called a structure tag may follow the word struct (as with point here). The tag names this kind of structure, and can be used subsequently as a shorthand for the part of the declaration in braces.
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Pointers and Arrays in C

  • 2007-09-22
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  • Priya
  • 9414

In C, there is a strong relationship between pointers and arrays, strong enough that pointers and arrays should be discussed simultaneously. Any operation that can be achieved by array subscripting can also be done with pointers. The pointer version will in general be faster but, at least to the uninitiated, somewhat harder to understand.
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Archived Comments

1. Thnx. Very Useful Code...
View Tutorial          By: Ankur Pandya at 2010-09-27 05:14:35

2. Very good. Excellent examples and easy to understa
View Tutorial          By: Fernando Basso at 2012-09-30 22:17:56

3. Awesome information
View Tutorial          By: Pavan Somu @ Tech Tips at 2013-01-03 18:45:30

4. thanks for sharing.It's Easy to Understand
View Tutorial          By: Ganesh Abothula at 2013-01-23 10:43:55

5. How can i use this code to send multiple sms using
View Tutorial          By: Shoaib at 2014-03-07 19:49:11

6. my question is the same of sajjad.what about (!iss
View Tutorial          By: hossain at 2012-04-26 04:28:56

7. Hai.. i tried with d above code but am getting an
View Tutorial          By: muthupandi at 2010-08-17 09:49:23

8. how to append data to existing excel sheets withou
View Tutorial          By: nim at 2011-03-23 00:28:10

9. Thanks ,It is very useful...
View Tutorial          By: SABARISH at 2014-08-08 05:46:43

10. realy it was a nice basic example...and better def
View Tutorial          By: amit kumar at 2011-03-14 08:11:31