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What is preprocessor command?
View Answer
A preprocessor is a text substitution tool and it tells to compiler to do required pre-processing before the actual compilation.
All preprocessor commands begins with hash symbol(#).
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What is the default header file that comes with the C compiler?
View Answer
stdio.h
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What is the difference between #include<filename> and #include "filename"?
View Answer
#include<filename> - It searches directories at pre-designated by the compiler.
#include "filename" - It searches in the same directory as the file containing the directive.
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What is header file?
View Answer
A header file is a file with extension .h which contains C function declarations and macro definitions to be shared between several source files.
