Programming In C, main() function, global and local variables, Comments in C Language

Question 1. Describe the purpose of the main () function and the body of main() function Ans: Every C program must have the function main() which is the first section to be executed when the program runs. The word void before the function main() means that this function does not return a value and the second void inside the brackets means it does not have any argument. When we run a program the main() function is always executed first no matter where it appears in the program. The body of main() Function . The body of the function main() is surrounded by braces {}. The left brace indicates the start of the body of the function and the right brace indicates the end of the body of the function. Question 2: Define global and local variables. Ans : Variables are used in C program to store values. Global Variables: Global variables are declared before the main() function. These variables are use...