All symbols starting with `f' in src/od-beos

• false src/od-beos/beos.cpp:103
• flush_block src/od-beos/beos.cpp:624
• flush_line src/od-beos/beos.cpp:610
• flush_screen src/od-beos/beos.cpp:633
• flush_sound_buffer src/od-beos/beos.cpp:935