What is a header file?

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Sandhya

Maths tutor with 7 years experience

A header file is a file with extension .h which contains C function declarations and macro definitions to be shared between several source files. There are two types of header files: the files that the programmer writes and the files that comes with your compiler.
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hi guyz! i am dng my 2nd yr in engg n i wanna strengthen my C n C++ prgmmng skills........which s d best way for it?? can u suggest me sum gud books to refer??
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How do I send a C program via email?
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Is it possible to write big safe programs in C++?
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