How return statement works?

Question

In c, what happen if the return statement followed by number which is other than 0 when main function calls?

Answer 1

In C programming, return 0 statement tell the called function that the called function have returned a success status. Any other value, positive, negative, notifies some sort of failure & requires Immediate attention of the programmer. Generally 1 value specify a failure return condition from a function.
-------------------------------------------------
Hope you got the answer

Answer 2

Duplicated

https://www.sololearn.com/discuss/1573912/?ref=app
https://www.sololearn.com/discuss/1555239/?ref=app

Answer 3

Probably nothing...