C Interview Questions and Answers

 

What is the purpose of main( ) function?

The function main( ) invokes other functions within it.It is the first function
to be called when the program starts execution.


- It is the starting function



- It returns an int value to the environment that called the program



- Recursive call is allowed for main( ) also.



- It is a user-defined function



- Program execution ends when the closing brace of the function main( ) is reached.



- It has two arguments 1)argument count and 2) argument vector (represents strings
passed).



- Any user-defined name can also be used as parameters for main( ) instead of argc
and argv

Posted by:Richards