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WHAT IS PRE POSSESSORS?

Answer Posted / ravikanth

The preprocessor is used to modify your program according to
the preprocessor directives in your source code.

Preprocessor directives (such as #define) give the
preprocessor specific instructions on how to modify your
source code. The preprocessor reads in all of your include
files and the source code you are compiling and creates a
preprocessed version of your source code.

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