Define scope rules of c program - computer programming, C/C++ Programming

Assignment Help:

Define Scope Rules of C program - Computer Programming?

The fundamental rule of scope is that identifiers are accessible only within the block in which they are declared and they are unknown outside the boundaries of that block.

The scope of the variable determines over what part of the program and a variable is actually available for use.

Let us see a simple instance

main()
{
int a=2; /*outer .block a*/

printf("%d\n",a); /* 2 is printed*/

{
int a=5; /*inner block a*/

printf("%d\n",a); /* 5 is printed*/

} /*back to the outer block*/

printf("%d\n",a); /* 2 is printed*/
}

Every block introduces its own nomenclature. A name of outer block is valid until an inner block redefines it. If redefined the outer block name is masked or hidden from the inner block.


Related Discussions:- Define scope rules of c program - computer programming

Data structure, Project Description: Project is related indexing data re...

Project Description: Project is related indexing data related some data structure. I need to share all information related project later if i contact any body Skills required

Describe spaghetti programming, Describe spaghetti programming. - Spagh...

Describe spaghetti programming. - Spaghetti programming refers to codes which tend to get tangled and overlapped throughout the program. - It makes a program complex and ana

Constructors and destructors, Constructors and Destructors: A Class is ...

Constructors and Destructors: A Class is defined as constructor by declaring a constructor in the form of function inside the class.  In other word a function in the name of

Area under curve, Write a program to find the area under the curve y = f(x)...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Socket Programming, Need someone to look over my assignment for correctness...

Need someone to look over my assignment for correctness and make any necessary changes.

Develop libcurl xml project, Develop libcurl XML project I have a Projec...

Develop libcurl XML project I have a Project using XML with C++. You will use things like LIbcurl etc....and a XML parser to finish the project. Developer must know how to use X

Flow chart, flow chart for calculating the volume of sphere

flow chart for calculating the volume of sphere

Graphical user interface designed for the output peripherals, Introduction ...

Introduction to I/O interfacing, discuss microcontrollers applications in industry. Detailed product design specifications that have sections on both hardware and software inclu

Help, what is c++ ?

what is c++ ?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd