[httpd/websocket/conf] Initial websocket implementation

If enabled (default) requires libwebsockets >= 2.0.2, can be disabled
with configure option --disable-websocket.

src/websocket.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2017 Christian Meffert <christian.meffert@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef SRC_WEBSOCKET_H_
+#define SRC_WEBSOCKET_H_
+
+int
+websocket_init(void);
+
+void
+websocket_deinit(void);
+
+#endif /* SRC_WEBSOCKET_H_ */