what is preprocessor.

Question

preprocessor

Answer 1

The preprocessor can do actually much, much more. All lines that start with a # that are not in a comment, are preprocessor directives.
The preprocessor, as the name suggests, is run before the compiler is run.
Apart from including other files, you can also define so-called macros, or make the compiler parse source code dependent on a condition.

Answer 2

preprocessor instructs the compiler to include the header files which contains all the basic functions of of built in data types.for example cout is used for displaying anything in output screen.whose functions are specified in iostream file.which can be called using a preprocessor

Answer 3

Hey asker is that a RPG in your username

Answer 4

thanks gowtham