#line directive (C/C++) 07/06/2020; 2 minutes to read +1; In this article. The result of preprocessing is a single file which is then passed to the actual compiler.

#line digit-sequence ["filename"]. • Overview : Thanks to everyone who has helped with editing, proofreading, ideas, typesetting, and administrivia, including: Diego Andres Alvarez Marin, …

Online Test on C Preprocessor @ Fresherslive. Here the following table lists all the important preprocessor directives available in C language: Go through C Theory Notes on Preprocessor Directives before studying questions. The compiler uses the line number and optional filename to refer to errors that it finds during compilation.

And as someone else mentioned gcc -E will run the preprocessor and skip the other compilation steps. And don't forget the C language is an old language, it goes back to 19, 72. This paper has 30 questions.

C Preprocessor Macros. Online Preprocessor for C++ [closed] Ask Question Asked 7 years, 9 months ago. #line digit-sequence ["filename"]. In simple terms, a C Preprocessor is just a text substitution tool and it instructs the compiler to do required pre-processing before the actual compilation.

This page provides important questions on C Preprocessor along with correct answers and clear explanation, which will be very useful for various Interviews, Competitive examinations and Entrance tests.

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Some languages, such as C and C++, provide a way to define and invoke "preprocessor macros" which expand into strings of tokens. Here we are providing C Programming C Preprocessor Online Test Series in English.

C Programming Online Mock test for C Preprocessor Topic. Contents. Closed. Study C MCQ Questions and Answers on Preprocessor Directives.

Remarks. The C preprocessor implements the macro language used to transform C, C++, and Objective-C programs before they are compiled.

The C Preprocessoris not a part of the compiler, but is a separate step in the compilation process. All leading and trailing whitespace is removed, and any sequence of whitespace in the middle of the text (but not inside embedded string literals) is collapsed to a single space. Remarks. It is not currently accepting answers. The C preprocessor 12:50. They instruct the C compiler to do the required pre-processing before actual program compilation. Professor. Whitespace is also allowed before and after the #. It will choke on input which does not obey C’s lexical rules. Taught By.