*.h or *.hpp for your class definitions What is the difference between .cc and .cpp file suffix? I used to think that it used to be that:.h files are header files for C and C++, and usually only contain declarations..c files are C source code..cpp files are C++ …

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Dec 22, 2009 · Header files (.h) are designed to provide the information that will be needed in multiple files. Things like class declarations, function prototypes, and enumerations typically go in header files. In a word, "declarations".

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another convention is to use .h for C headers and .hpp for C++; a good example would be the boost library. Quote from Boost FAQ, File extensions communicate the "type" of the file, both to humans and to computer programs. The '.h' extension is used for C header files, and therefore communicates the wrong thing about C++ header files.

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Sep 30, 2013 · #include <stdio.h> The preprocessor assumes, it is a standard library header and looks in the system folders first where the compiler has been installed. If instead a programmer defines a function by himself and place the .h file in the current working directory, he would use (note the double quotes) #include "stdio.h"

Feb 3, 2017 · For example, the program PizzaDelivery could have 1 .c file with the main program, and 1 .c file with utility functions. Now, for the main part of the program to be able to use the utility functions, you need to expose the API, via function prototype, into a .h file, this .h file being included by the main .c file.

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