Here are the data structures with brief descriptions:
  __nxml_entity_t | Data struct private about entities for internal use only |
| __nxml_private_t | Data struct private for internal use only |
| nxml_attr_t | Data struct for any element of attribute of xml element |
| nxml_data_t | Data struct for any element of XML streams/files |
| nxml_doctype_t | Data struct for doctype elements |
| nxml_namespace_t | Data struct for namespace |
 nxml_t | Principal data struct. It describes a XML document and it contains pointers to any other structures |
