in-bottom: 0.5cm; font-weight: medium">bar-&gt;hdr.flag |= ARG_HASOPTVALUE;</PRE><P>
Whenever an optional argument value is omitted from the command line
the argument is counted as a valid one, though the argument value
itself is left unaltered. Hence, any desired default values should be
manually assigned prior to parsing.</P>
<PRE CLASS="western">/* set foo default values to 9 */
for (i=0; i&lt;foo-&gt;hdr.maxcount; i++)
    foo-&gt;ival[i]=9;

/* set bar default values to 5 */
for (i=0; i&lt;bar-&gt;hdr.