Full liability for any consequences of doing so is taken. The nature of any modifications is clearly indicated. Offete Enterprises 1989 p. 82. DUP 0 . Return TRUE if the big number at addr is not zero.
Conversion stops at the first non-convertible character.
This result can then be used for further processing. Ting, C. H. F-PC 3.5 Technical Reference Manual, Second Edition 1989.