What is the difference between exit(0) and exit(1) in C?

Question

Can anyone tell me? What is the difference between exit(0) and exit(1) in C language?

Answer 1

exit(0) behave like return 0 in main() function, exit(1) behave like return 1. The standard is, that main function return 0, if program ended successfully while non-zero value means that program was terminated with some kind of error.