What is meant by preprocessor declaration?
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Answer:
In computer science, a preprocessor is a program that processes its input data to produce output that is used as input to another program. ... A common example from computer programming is the processing performed on source code before the next step of compilation.The C Preprocessor. The C preprocessor is a macro processor that is used automatically by the C compiler to transform your program before actual compilation. ... These are files of declarations that can be substituted into your program. Macro expansion
Answer:Preprocessor directives are lines included in a program that begin with the character #, which make them different from a typical source code text. They are invoked by the compiler to process some programs before compilation.
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