Why is this error message popping up?= error C2447: '{' : missing function header (ol
 

Hi, so im new to this website. I am trying to write a program that tells you if a number is prime, but i have an error message that keeps popping up saying : error C2447: '{' : missing function header (old-style formal list? Here is my code: #include #include "genlib.h" int...