Macros in bsd/miscfs/fdesc

• cttyvp bsd/miscfs/fdesc/fdesc_vnops.c:87
• FD_NHASH bsd/miscfs/fdesc/fdesc_vnops.c:101
• VFSTOFDESC bsd/miscfs/fdesc/fdesc.h:97
• VTOFDESC bsd/miscfs/fdesc/fdesc.h:98