mjsousa [Fri, 13 May 2016 12:18:50 +0100] rev 1014
Add support for non-standard VOID datatype. May ony be used to define functions returning VOID.
mjsousa [Wed, 11 May 2016 19:38:31 +0100] rev 1013
Delete the YY_NO_UNPUT define, as we do use the unput() function.