Why return (0) is used in c programe

Question

https://www.sololearn.com/discuss/2628878/?ref=app

Answer 1

You wouldn't have asked this if you had done the C course
https://www.sololearn.com/learn/C/2911/
(read the second page)

Answer 2

prajwal S , thats good to start the course, and also to complete it.

Answer 3

I had not done im starting now

Answer 4

XXX is right about this, you should learn that, Just a note when you are running into an issue in a program in the future sometimes it's useful to look for the error code number.

As long as the number is 0 as long as it's okay, but when you run into issues the code number is useful.