success = GetIconRectangleA(rp,icon,label,rectangle,tags)
D0 A0 A1 A2 A3 A4
BOOL GetIconRectangleA(struct RastPort *rp,struct DiskObject *icon,
STRPTR label,struct Rectangle *rectangle,
struct TagItem *tags);
success = GetIconRectangle(rp,icon,label,rectangle,...);
BOOL GetIconRectangle(struct RastPort *rp,struct DiskObject *icon,
STRPTR label,struct Rectangle *rectangle,...);