All symbols starting with `n' in src/gui-sdl

• nbic_present src/gui-sdl/dlgSystem.c:38
• nTracks src/gui-sdl/dlgNewDisk.c:31
• NULL src/gui-sdl/dlgAbout.c:35
• nVdiStepX src/gui-sdl/dlgScreen.c:154
• nVdiStepY src/gui-sdl/dlgScreen.c:154