Nios II IDE Cannot Find stdio.h in Outline View - Nios II IDE Cannot Find stdio.h in Outline View Description If you create a new project using the Nios II IDE and try to open the stdio.h file from the Outline view before building the project, the IDE displays the error message No include files were found that matched that name . Resolution Build the project before attempting to open stdio.h . Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']