C Programming
What is function?

Function is a block of code that performs a specific task. It has a name and it is reusable.
Function is a block of statements that perform some specific task.
All of these
Function is the fundamental modular unit. A function is usually designed to perform a specific task.

ANSWER DOWNLOAD EXAMIANS APP

C Programming
A preprocessor command

has # as the first character
comes before the first executable statement
need not start on the first column
need not start on a new line

ANSWER DOWNLOAD EXAMIANS APP