What is a C header file?

In a C++ Source File program that runs in DOS, what header file contains graphic functions such as _setpixel(), _setvideomode(), _lineto(), …? What is it's path and name? Thanks.

I am not fully understanding the importances of these two... What i think they are is, the header is just separate code ( to keep everything manageable and easy to read ) and the ...show more

I cant seem to find the right header file, apart from the obvious header files, the rest dont work, here is the exact code ( it was a test ) : #include <time.h> #include <stdio.h> #include <sys/time.h> #include <time.h> #include...

I'm new to allegro in c++ and I downloaded a game code that came in a folder with a header file and a source code, how do I run the game with two separate files?

hi, i am a student and i am using turbo c.i am using those commands which needs <windows.h> and <winbase.h> header files.but these header are not included in my include ...show more

Especially turbo c is not able to compile windows.h header file. It can only compiled by some other compilers.

I created a c++ class with following members private: int x; public: void assign(int a); int get(); How do I define the class and functions in a header file so that I ...show more

(a) <cstdio> , <iostream> and <fstream>. (b) <cstdio> and <iostream>. (c) <cstdio> and <fstream>. (d) <iostream> and <fstream>.