Specifies if a parsing error occurred. This is set
to a value of True indicates that an error
occurred, a value of False to indicate no error.
RRRREEEETTTTUUUURRRRNNNN
Returns the converted value. If a NULL screen, incorrect
_o_r_i_e_n_t_a_t_i_o_n, or incorrect _u_n_i_t__t_y_p_eis supplied as parameter
data, or if a parsing error occurred, 0 (zero) is returned.
RRRREEEELLLLAAAATTTTEEEEDDDD
XXXXmmmmCCCCoooonnnnvvvveeeerrrrttttUUUUnnnniiiittttssss(3), XXXXmmmmSSSSeeeettttFFFFoooonnnnttttUUUUnnnniiiittttssss(3), and XXXXmmmmSSSSccccrrrreeeeeeeennnn(3).