All symbols starting with `r' in pcfs

• readde pcfs/pcfs_lookup.c:724
• readep pcfs/pcfs_lookup.c:697
• regyear pcfs/pcfs_conv.c:39
• reinsert pcfs/pcfs_denode.c:469
• removede pcfs/pcfs_lookup.c:523
• roottobn pcfs/pcfsmount.h:108