| FLTK 1.3.11
    | 
| Callback function typedefs | Typedefs defined in <FL/Fl.H> for callback or handler functions passed as function parameters | 
| Windows handling functions | Windows and standard dialogs handling declared in <FL/Fl.H> | 
| Events handling functions | Fl class events handling API declared in <FL/Fl.H> | 
| Selection & Clipboard functions | FLTK global copy/cut/paste functions declared in <FL/Fl.H> | 
| Screen functions | Fl global screen functions declared in <FL/Fl.H> | 
| Color & Font functions | Fl global color, font functions | 
| Drawing functions | FLTK global graphics and GUI drawing functions | 
| Multithreading support functions | Fl multithreading support functions declared in <FL/Fl.H> | 
| Safe widget deletion support functions | These functions, declared in <FL/Fl.H>, support deletion of widgets inside callbacks | 
| Cairo Support Functions and Classes | |
| Unicode and UTF-8 functions | Fl global Unicode and UTF-8 handling functions declared in <FL/fl_utf8.h> | 
| Mac OS X-specific symbols | Mac OS X-specific symbols declared in <FL/x.H> or <FL/gl.h> | 
| Common Dialogs classes and functions | |
| File names and URI utility functions | File names and URI functions defined in <FL/filename.H> |