DIALOG - Stores a GUI description. Allegro game programming library.
typedef struct DIALOG
int (*proc)(int, DIALOG *, int); - dialog procedure
int x, y, w, h; - position and size of the object
int fg, bg; - foreground and background colors
int key; - ASCII keyboard shortcut
int flags; - flags about the status of the object
int d1, d2; - whatever you want to use them for
void *dp, *dp2, *dp3; - pointers to more object-specific data
This is the structure which contains a GUI object. Read chapter "GUI
routines" for a description on how to obtain/use this structure.