#include <db_cxx.h> int DbStream::size(Dbt *data, db_off_t *size, u_int32_t flags);
         The DbStream::size() method returns the
         size of the BLOB in bytes.
     
         Unless otherwise specified, the
         DbStream::size() 
            
            
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.
            
        
    
             The DbStream::size() 
            
            
                method may fail and throw a DbException 
                exception, encapsulating one of the following non-zero errors, or return one
                of the following non-zero errors: