Removing net emulation out of embedded library

include/mysql.h:
  Several structures content changed for embedded case
include/violite.h:
  enum_vio_type extended
libmysqld/embedded_priv.h:
  three new funcs added
libmysqld/lib_sql.cc:
  A lot of changes on the way to excude network emulation
libmysqld/lib_vio.c:
  vio structure changed.
  we're on the way to remove network...
libmysqld/libmysqld.c:
  A lot of changes.
sql/ha_myisam.cc:
  Network sending modified for embedded case.
sql/net_pkg.cc:
  Exclude network from error sending
sql/sql_acl.cc:
  Exclude access permissions checking in embedded case
sql/sql_base.cc:
  Implementation of send_fields got quite different in enbedded case and now
  placed in lib_sql.cc
sql/sql_class.cc:
  select_send::send_data for embedded case placed in lib_sql
sql/sql_class.h:
  Extra fields added for embedded case
sql/sql_parse.cc:
  remove this out of server
sql/sql_show.cc:
  lots of similar changes to exclude network emulation
sql/sql_table.cc:
  Network emulation excluded
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

sql/sql_table.cc

@@ -1060,6 +1060,9 @@ static int mysql_admin_table(THD* thd, TABLE_LIST* tables,
 
     thd->open_options|= extra_open_options;
     table->table = open_ltable(thd, table, lock_type);
+#ifdef EMBEDDED_LIBRARY
+    thd->net.last_errno= 0;  // these errors shouldn't get client
+#endif
     thd->open_options&= ~extra_open_options;
     packet->length(0);
     if (prepare_func)
@@ -1174,8 +1177,8 @@ static int mysql_admin_table(THD* thd, TABLE_LIST* tables,
 			      table->table->real_name);
     close_thread_tables(thd);
     table->table=0;				// For query cache
-    if (my_net_write(&thd->net, (char*) packet->ptr(),
-		     packet->length()))
+    if (SEND_ROW(thd, &thd->net, field_list.elements, 
+			  (char *)thd->packet.ptr(), thd->packet.length()))
       goto err;
   }