Given a variable definition in a statechart’s definition section, you can lookup the corresponding type definition. The definition section must be in editing mode, i.e., you must have double-clicked into it. Now press the
[Ctrl] key and move the mouse pointer over the type name. The former changes its shape into a hand symbol and the latter changes into a hyperlink:
Looking up a C type
Click on the hyperlink to open the header file containing the respective type declaration.
Showing the C type definition