NAME:
  rdland2
 PURPOSE: (one line)
  Read the Combined Landolt Standard system photometry file.
 DESCRIPTION:
 CATEGORY:
  File I/O
 CALLING SEQUENCE:
  rdland2,name,mags,codes
 INPUTS:
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
     FILE    - Name of star catalog file to read.  Default is:
                 to pick this file up out of the Buie library collection

 OUTPUTS:
     name   - Name of the star.
     mags   - Stellar magnitudes, UBVRI
     codes  - Quality codes:
               0 - not enough measurements for use as a quality standard.
               1 - good to use as standard
               2 - Known or suspected variable, don't ever use.
 COMMON BLOCKS:
     None.
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  96/11/22, Written by Marc W. Buie, Lowell Observatory
  2004/02/09, MWB, changed path to default catalog
  2012/10/22, MWB, changed to pick up landphot.dat in library
                      location (by default)