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Features of C Language

Definition: The capabilities and functionality provided by the C language are collectively called features of C Language. The features of C Language have made it popular.

Let us see, "What are the features of C language ?"

The C Language being a middle level language has many important features. It is said to be middle level language because of the following features:

  • The C language has the capabilities of assembly Language (Low Level Language)
  • It provide the functionality of a High Level Language.

As it is near to machine as well as to the user it is called middle level language. The capabilities of the low level language of C help in designing the program
especially required system management. It means the system software can be developed very easily using the C Language.

As It is also near to the user, most general purpose programs can be developed easily. So, the application programs can also be developed using C language.

In addition to the above mentioned features, C Language also has the following features:

  • Implementation of modular programming technique is very easy in case of C language because of the easy designing and handling of modules in the form of functions.
  • Each and every task using C Language is solved by means of function only so, C is called as functional language.
  • Users can define their own tasks in the form of user defined functions.
  • It has large collection of built-in or library functions that makes the programming task easier.
  • More and more user defined functions can be added to the library of the C to make the programs extendable.
  • C language is rich in operators containing very common arithmetic operators to system level bit-wise operators.
  • The programs written using C language are portable and can be executed at different platform.
  • C is a case sensitive language. All the keywords, data type means and built-in function names are written only using lower-case letters.
  • Most importantly the debugging, testing and maintenance activities of programs development can be performed easily on the program developed using C Language.
  • Implementation of structured programming technique is easy here because of the rich availability of the sequential, branching and looping structures.


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Memory representation of Linked List Data Structures in C Language

Memory representation of Linked List

             In memory the linked list is stored in scattered cells (locations).The memory for each node is allocated dynamically means as and when required. So the Linked List can increase as per the user wish and the size is not fixed, it can vary.

               Suppose first node of linked list is allocated with an address 1008. Its graphical representation looks like the figure shown below:

      Suppose next node is allocated at an address 506, so the list becomes,

  Suppose next node is allocated with an address with an address 10,s the list become,

The other way to represent the linked list is as shown below:

 In the above representation the data stored in the linked list is “INDIA”, the information part of each node contains one character. The external pointer root points to first node’s address 1005. The link part of the node containing information I contains 1007, the address of next node. The last node …