{
{    The purpose of this request is to return a list of all the families
{ on the host mainframe which have any type of family access (except "NONE")
{ for any client mainframe.
{
{       OSP$GET_ACCESSED_FAMILIES (P_FAMILY_LIST, FAMILY_COUNT)
{
{ P_FAMILY_LIST: (output) This parameter specifies an array of names of
{       families which can be accessed by at least one client mainframe.
{
{ FAMILY_COUNT: (output) This parameter specifies the number of families
{       on the host mainframe whcih can be accessed. Note that this number
{       may be larger or smaller than the upper bound of p_family_list.
{
