Defines starting with `a' in pcfs

• ATTR_ARCHIVE pcfs/direntry.h:37
• ATTR_DIRECTORY pcfs/direntry.h:36
• ATTR_HIDDEN pcfs/direntry.h:33
• ATTR_NORMAL pcfs/direntry.h:31
• ATTR_READONLY pcfs/direntry.h:32
• ATTR_SYSTEM pcfs/direntry.h:34
• ATTR_VOLUME pcfs/direntry.h:35