--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/src/spandsp/private/v18.h	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,67 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * private/v18.h - V.18 text telephony for the deaf.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2004-2009 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: v18.h,v 1.5 2009/11/04 15:52:06 steveu Exp $
+ */
+ 
+#if !defined(_SPANDSP_PRIVATE_V18_H_)
+#define _SPANDSP_PRIVATE_V18_H_
+
+struct v18_state_s
+{
+    /*! \brief TRUE if we are the calling modem */
+    int calling_party;
+    int mode;
+    put_msg_func_t put_msg;
+    void *user_data;
+
+    union
+    {
+        queue_state_t queue;
+        uint8_t buf[QUEUE_STATE_T_SIZE(128)];
+    } queue;
+    tone_gen_descriptor_t alert_tone_desc;
+    tone_gen_state_t alert_tone_gen;
+    fsk_tx_state_t fsktx;
+    dtmf_tx_state_t dtmftx;
+    async_tx_state_t asynctx;
+    int baudot_tx_shift;
+    int tx_signal_on;
+    int byte_no;
+
+    fsk_rx_state_t fskrx;
+    dtmf_rx_state_t dtmfrx;
+    int baudot_rx_shift;
+    int consecutive_ones;
+    uint8_t rx_msg[256 + 1];
+    int rx_msg_len;
+    int bit_pos;
+    int in_progress;
+
+    /*! \brief Error and flow logging control */
+    logging_state_t logging;
+};
+
+#endif
+/*- End of file ------------------------------------------------------------*/