Build intrf5trwin.exe with Dev-C++ for Windows

The distribution contains the following files :
 - intrf5trwin.dev
 - intrf5trwin.c
 - graphicswin.h
 - graphicswin.c

The SDL distribution SDL-devel-1.2.15-mingw32.tar.gz is also required.

To build intrf5trwin.exe : 
 - Download SDL-devel-1.2.15-mingw32.tar.gz and extract it to a folder SDL-1.2.15.
 - Copy SDL-1.2.15\bin\SDL.dll to the folder containing the project intrf5trwin.
 - Copy the folder SDL-1.2.15\include\SDL with its content to C:\Program Files (x86)\Dev-Cpp\MinGW64\include.
 - Copy the files contained in SDL-1.2.15\lib to C:\Program Files (x86)\Dev-Cpp\MinGW64\lib.
 - Open intrf5trwin.dev with Dev-C++ and rebuild all.