  struct arg_hdr hdr;      /* The mandatory argtable header struct */
   int count;               /* Number of matching arguments parsed */
   &lt;xxx&gt; *data;             /* Array for storing the argument values */
   ...                      /* Other custom fields go here */
   };</PRE><P STYLE="margin-bottom: 0.51cm">
Custom data members follow the <I>arg_hdr</I> struct. Since argtable
supports multiple instances of any given command line argument, it is
usual that your structure provides an array for 