See the file man.macros.
Itcl_InitList, Itcl_DeleteList, Itcl_CreateListElem, Itcl_DeleteListElem,
Itcl_InsertList, Itcl_InsertListElem, Itcl_AppendList, Itcl_AppendListElem,
Itcl_SetListValue - Manipulate an Itcl list object.
#include <itcl.h>
void
Itcl_InitList(list)
void
Itcl_DeleteList(list)
Itcl_ListElem *
Itcl_CreateListElem(list)
Itcl_ListElem *
Itcl_DeleteListElem(elem)
Itcl_ListElem *
Itcl_InsertList(list, clientData)
Itcl_ListElem *
Itcl_InsertListElem(elem, clientData)
Itcl_ListElem *
Itcl_AppendList(list, clientData)
Itcl_ListElem *
Itcl_AppendListElem(elem, clientData)
void
Itcl_SetListValue(elem, clientData)
List info structure. List element info structure. Arbitrary one-word value to
save in the list.