Multiple definition of main()

Question

Hi guys trying to use two main() and getting this error multiple definition of main(). I renamed my main functions then why is this error and also first defined here for my prin

Answer 1

I don't get what you ask - your error messages are quite clear:

1. You have 2 definitions of print(), which will collide. Remove one.
2. You as well have 2 definitions of main() - your #defines will replace your onemain and twomain functions, naming them effectively as main.