sum_filehandle
fh = sum_filehandle(NFS_FHSIZE);
fh = sum_filehandle(NFS_FHSIZE);
fh = sum_filehandle(len);
fh = sum_filehandle(len);
fh = sum_filehandle(NFS_FHSIZE);
fh = sum_filehandle(NFS_FHSIZE);
extern int sum_filehandle(int);
fh = sum_filehandle(len);
fh = sum_filehandle(len);