Structs starting with `f' in uae-0.8.29

• filter_state src/audio.c:103
• flag_struct src/md-ppc-gcc/m68k.h:10
• foo src/od-win32/win32.c:1590
• fs_usage src/include/fsusage.h:19
• fsvdlg_vals src/od-win32/win32gui.c:2627