INTERVIEW QUESTIONS C FUNCTIONS IN C DETAILS

Question: What is the purpose of main( ) function ?

Answer: 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.

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.
Source: CoolInterview.com

main() is very necessary function to execute the program. Without main() one can't enter into program. It can be said that it is entry point and end point as well.

main() is always search at time of executing a program not at compile time.
main() can be used as recursive function. Source: CoolInterview.com

main function require to start the program.
when program load in system it automatically execute by complier Source: CoolInterview.com

main method in one of the classes.this is the starting point for executing the program Source: CoolInterview.com

main is the first function used for execution of the program and is fiund in conio.h file. Source: CoolInterview.com

Program execution starts from main
with out main you can not write a program Source: CoolInterview.com

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