Executing code before main()

Question

In object-oriented languages (C++) you can execute code before main() by using a global object or a class static object and have their constructors run the code

Answer 1

There are portable ways of specifying functions that can be executed "after" main is executed.

1. atexit()

2. at_quick_exit()

Further, follow this link and about various types of initialization in C++ - that may be useful for you to execute code before main() is called.