What are pre-processor directives..?

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Saif Nazam

Hash # is pre processor is use in c and c++
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14 Year Experienced in Teaching Maths, Physics and Chemistry.

preprocessor directives are processed before the compilation and execution begins.
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Faculty / Teacher / Trainer

pre- processor directives are used in our computer programming languages like C/C++ with header files, its symbol is # sign that process every thing whatever we use in our programming like header file function etc
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Tutor

Preprocessor directives are lines included in the code of programs preceded by a hash sign (#). These lines are not program statements but directives for the preprocessor. The preprocessor examines the code before actual compilation of code begins and resolves all these directives before any code is...
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Preprocessor directives are lines included in the code of programs preceded by a hash sign (#). These lines are not program statements but directives for the preprocessor. The preprocessor examines the code before actual compilation of code begins and resolves all these directives before any code is actually generated by regular statements. read less
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Trainer

In c its the "#"
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Commerce star

It is used in C/C+ languages in computer as a header files...n its symbol is #
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Computer Science Tutor

Pre-processor is a program that processes the code before it passes through the compiler.
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