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C Language > Learn C Language > Why do we use # in C programming?
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Why do we use # in C programming?

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allow for code manipulation and organization before the compiler begins its work.
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In C programming, the "#" symbol, typically preceding a line, introduces preprocessor directives, which are instructions to the preprocessor that runs before actual compilation. These directives perform tasks like including header files, defining macros, and conditional compilation. Essentially, they...
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In C programming, the "#" symbol, typically preceding a line, introduces preprocessor directives, which are instructions to the preprocessor that runs before actual compilation. These directives perform tasks like including header files, defining macros, and conditional compilation. Essentially, they allow for code manipulation and organization before the compiler begins its work. read less
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13 Years of Experience in IT

In C programming, the '#' symbol is used to indicate preprocessor directives. These are instructions that are processed by the C preprocessor before the actual compilation of the code begins.
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C and Assemley Lagguagges.I Have Experience in Ap Compters for USA students.

The # tells the preprocessor to perform specific instructions before the actual compilation starts. These instructions can include including files, defining macros, conditional compilation, and mor
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The # tells the preprocessor to perform specific instructions before the actual compilation starts. These instructions can include including files, defining macros, conditional compilation, and mor read less
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