Author Archives: Editorial Team

What is the default return value of a function?

July 6, 2006 no comments

The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function. When a programmer wants other ...

What happens when a variable is not initialized in main function?

July 6, 2006 no comments

When a variable is not initialized in main function it contains garbage value. This can be well seen from the example below

What happens when a variable is not declared in function definition?

July 6, 2006 no comments

Generally in C program the function definition and calling takes the form as given below:

exit and return statements

July 4, 2006 no comments

How does the exit () and return () differ exit () is used to exit the program as a whole. In other words it returns control to the operating system.

Importance of Header Files

July 4, 2006 no comments

What is the importance of header files? The main role of header file is it is used to share information among various files. In brief, if we have several functions say 4 functions named as f1, f2, f...

Base Address of the String

July 4, 2006 no comments

What happens when we try to change the value of base address of the string? The base address of the sting takes a special place in the context of strings. This is because suing this base address onl...

What are the limitations with switch statement?

July 4, 2006 1 comment

Switch statement is a powerful statement used to handle many alternatives and provides good presentation for C program. But there are some limitations with switch statement which are given below

What are the Format Specifiers used with printf?

July 4, 2006 no comments

There are several format specifiers available in printf. The format specifier used varies depending on the data type used for printing. The given below are some of the format specifiers used with pri...

How to develop compile and run a C program

July 4, 2006 no comments

The steps involved in building a C program are: 1. First program is created by using any text editor and the file is stored with extension as .c

How to define command line arguments

July 4, 2006 no comments

The main functions can have in it arguments passed which are called as command line arguments. The command line arguments are two in number which are namely: Argument count denoted by argc and Argume...