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The NL_SITE_NAME_ARRAY structure defines an array of site names.

 typedef struct _NL_SITE_NAME_ARRAY {
   ULONG EntryCount;
   [size_is(EntryCount)] PRPC_UNICODE_STRING SiteNames;
 } NL_SITE_NAME_ARRAY,
  *PNL_SITE_NAME_ARRAY;

EntryCount: The number of entries in SiteNames.

SiteNames: A pointer to an array of null-terminated RPC_UNICODE_STRING structures ([MS-DTYP] section 2.3.10) that contain site names. For more information about sites, see [MS-ADTS] section 6.1.1.2.2.1.