Macros starting with `f' in bsd/include

• feof bsd/include/stdio.h:386
• ferror bsd/include/stdio.h:387
• fileno bsd/include/stdio.h:391
• fldoff bsd/include/struct.h:61
• fldsiz bsd/include/struct.h:65
• fropen bsd/include/stdio.h:342
• fwopen bsd/include/stdio.h:343