What does func$2$ do$?$ What is a better name for func$2?$ All functions are defined, declared, or prototyped before the main function. Why? What is the meaning of the word $$unsigned$$ at line $41?$ What $($if anything$)$ is the output of the program $($what prints$)$ at line $46?$ Which version of func$2$ was called $($at what line$)?$ What $($if anything$)$ is the output of the program $($what prints$)$ at line $49?$ What $($if anything$)$ is the output of the program $($what prints$)$ at line $50?$