Windows API

FreeBASIC

Windows API
 
Standard API for all Windows Systems, used for example for creating Windows GUIs (forms and controls), socket programming, inter-process communication, and so much more.

Website: http://msdn.microsoft.com/en-us/library/ee663300.aspx
Platforms supported: Win32, Linux (using WINE)
Headers to include: windows.bi
Examples: yes, in examples/win32/