Macros starting with `f' in bsd/include

• feof bsd/include/stdio.h:387
• ferror bsd/include/stdio.h:388
• fileno bsd/include/stdio.h:392
• fldoff bsd/include/struct.h:64
• fldsiz bsd/include/struct.h:68
• fropen bsd/include/stdio.h:343
• fwopen bsd/include/stdio.h:344