XmListGetMatchPos - A List function that returns all instances of an item in the list
#include <Xm/List.h>
Boolean XmListGetMatchPos (widget, item, position_list, position_count)
Widget widget;
XmString item;
int **position_list;
int *position_count;
XmListGetMatchPos is a Boolean function that returns an array of positions where a specified item is found in a List.
For a complete definition of List and its associated resources, see XmList(3X).
Returns TRUE if the specified item is present in the list, and FALSE if it is not.