XmListItemPos - A List function that returns the position of an item in the list
#include <Xm/List.h>
int XmListItemPos (widget, item)
Widget widget;
XmString item;
XmListItemPos returns the position of the first instance of the specified item in a List.
For a complete definition of List and its associated resources, see XmList(3X).
Returns the position in the list of the first instance of the specified item. The position of the first item in the list is 1; the position of the second item is 2; and so on. This function returns 0 if the item is not found.