
What do .c and .h file extensions mean to C? - Stack Overflow
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.
c++ - What should go into an .h file? - Stack Overflow
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".
c++ - *.h or *.hpp for your class definitions - Stack Overflow
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.
c - What mean file with extension "h.in"? - Stack Overflow
Jan 10, 2013 · Typically, a .h.in file is a header template that is filled in to become the actual header by a configure script based on the outcome of several tests for features present on the target platform. Share
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fatal error: Python.h: No such file or directory - Stack Overflow
Feb 3, 2014 · I am trying to build a shared library using a C extension file but first I have to generate the output file using the command below: gcc -Wall utilsmodule.c -o Utilc After executing the command, I...
How to convert these strange characters? (ë, Ã, ì, ù, Ã)
Even though utf8_decode is a useful solution, I prefer to correct the encoding errors on the table itself. In my opinion it is better to correct the bad characters themselves than making "hacks" in the code.
c++ - What is a .h.gch file? - Stack Overflow
Oct 2, 2016 · Never, ever, ever put a .h file on a g++ compile line. Only .cpp files. If a .h file is ever compiled accidentally, remove any *.gch files. Never, ever, ever put a .cpp file in an #include statement. If rule one is broken, at some point the problem described in the question will occur.
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not …
Jan 24, 2016 · The CLASS_H is an include guard; it's used to avoid the same header file being included multiple times (via different routes) within the same CPP file (or, more accurately, the same translation unit), which would lead to multiple-definition errors.
Difference between <string> and <string.h>? - Stack Overflow
Feb 13, 2012 · As stated, string.h and cstring are C headers (while cstring is basically a C++ wrapper for string.h), containing functions for C strings, which are char[] terminated by '\0'. You want to use the c++ class string, which header is <string> .