/**
* Shows an OSK dialog.
*
* @param intext - the initial text of the OSK, NULL if no required
* @param desc - the description that will be shown in the OSK, NULL if no required
* @param outtext - the output text
*
* @returns 0 if the text was entered.
*/
int vlfGuiOSKDialog(u16 *intext, u16 *desc, u16 *outtext);
give me undefined reference. The library is installed correctly. There's something wrong with my setup or it isn't just implemented?