xmlAddAttributeDecl

function xmlAddAttributeDecl(

  ctxt: xmlValidCtxtPtr;

  dtd: xmlDtdPtr;

  elem: xmlCharPtr;

  name: xmlCharPtr;

  ns: xmlCharPtr;

  _type: xmlAttributeType;

  def: xmlAttributeDefault;

  defaultValue: xmlCharPtr;

  tree: xmlEnumerationPtr

):xmlAttributePtr;