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  Include:   <pgchart.h>
 
  Syntax:    short _pg_analyzechart( chartenv _far *env,
                                     char _far *_far *categories,
                                     float _far *values, short n );
 
             short _pg_analyzechartms( chartenv _far *env,
                                       char _far *_far *categories,
                                       float _far *values,
                                       short nseries, short n,
                                       short arraydim,
                                       char _far *_far *serieslabels );
 
  Returns:   a nonzero value in the case of errors, or 0 if successful.
 
  See also:  _pg_chart, _pg_chartms, _pg_defaultchart, _pg_initchart
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