NetBSD-5.0.2/usr.sbin/isdn/isdntrace/q931.c
/*
* Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* q931.c - print Q.931 traces
* ---------------------------
*
* $Id: q931.c,v 1.3 2003/10/06 09:43:28 itojun Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Feb 14 14:51:13 2000]
*
*---------------------------------------------------------------------------*/
#include "trace.h"
/*---------------------------------------------------------------------------*
* decode Q.931 protocol
*---------------------------------------------------------------------------*/
void
decode_q931(char *pbuf, int n, int off, unsigned char *buf, int raw)
{
int codeset = 0;
int codelock = 0;
int oldcodeset = 0;
int pd;
int len;
int j;
int i;
if (n <= 0)
return;
*pbuf = '\0';
if (raw)
{
for (i = 0; i < n; i += 16)
{
sprintf((pbuf+strlen(pbuf)),"Dump:%.3d ", i+off);
for (j = 0; j < 16; j++)
if (i + j < n)
sprintf((pbuf+strlen(pbuf)),"%02x ", buf[i + j]);
else
sprintf((pbuf+strlen(pbuf))," ");
sprintf((pbuf+strlen(pbuf))," ");
for (j = 0; j < 16 && i + j < n; j++)
if (isprint(buf[i + j]))
sprintf((pbuf+strlen(pbuf)),"%c", buf[i + j]);
else
sprintf((pbuf+strlen(pbuf)),".");
sprintf((pbuf+strlen(pbuf)),"\n");
}
}
i = 0;
sprintf((pbuf+strlen(pbuf)), "Q931: ");
/* protocol discriminator */
pd = buf[i];
if (pd >= 0x00 && pd <= 0x07)
sprintf((pbuf+strlen(pbuf)), "pd=User-User (0x%02x)\n",pd);
else if (pd == 0x08)
sprintf((pbuf+strlen(pbuf)), "pd=Q.931/I.451, ");
else if (pd >= 0x10 && pd <= 0x3f)
sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)\n",pd);
else if (pd >= 0x40 && pd <= 0x4f)
sprintf((pbuf+strlen(pbuf)), "pd=National Use (0x%02x)\n",pd);
else if (pd >= 0x50 && pd <= 0xfe)
sprintf((pbuf+strlen(pbuf)), "pd=Other Layer 3 or X.25 (0x%02x)\n",pd);
else
sprintf((pbuf+strlen(pbuf)), "pd=Reserved (0x%02x)\n",pd);
/* call reference */
i++;
len = buf[i] & 0x0f;
switch (len)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "cr=Dummy, ");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "cr=0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+1] & 0x80) ? "(from destination)" : "(from origination)");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "cr=0x%02x 0x%02x %s, ", (buf[i+1] & 0x7f), (buf[i+2] & 0x7f), (buf[i+1] & 0x80) ? "(org)" : "(dst)");
break;
}
i += (len+1);
/* message type */
sprintf((pbuf+strlen(pbuf)), "message=");
switch (buf[i])
{
/* escape to nationally specific message type */
case 0x00:
sprintf((pbuf+strlen(pbuf)), "ESCAPE: ");
break;
/* call establishment */
case 0x01:
sprintf((pbuf+strlen(pbuf)), "ALERTING: ");
break;
case 0x02:
sprintf((pbuf+strlen(pbuf)), "CALL PROCEEDING: ");
break;
case 0x03:
sprintf((pbuf+strlen(pbuf)), "PROGRESS: ");
break;
case 0x05:
sprintf((pbuf+strlen(pbuf)), "SETUP: ");
break;
case 0x07:
sprintf((pbuf+strlen(pbuf)), "CONNECT: ");
break;
case 0x0d:
sprintf((pbuf+strlen(pbuf)), "SETUP ACKNOWLEDGE: ");
break;
case 0x0f:
sprintf((pbuf+strlen(pbuf)), "CONNECT ACKNOWLEDGE: ");
break;
/* call information phase */
case 0x20:
sprintf((pbuf+strlen(pbuf)), "USER INFORMATION: ");
break;
case 0x21:
sprintf((pbuf+strlen(pbuf)), "SUSPEND REJECT: ");
break;
case 0x22:
sprintf((pbuf+strlen(pbuf)), "RESUME REJECT: ");
break;
case 0x24:
sprintf((pbuf+strlen(pbuf)), "HOLD: ");
break;
case 0x25:
sprintf((pbuf+strlen(pbuf)), "SUSPEND: ");
break;
case 0x26:
sprintf((pbuf+strlen(pbuf)), "RESUME: ");
break;
case 0x28:
sprintf((pbuf+strlen(pbuf)), "HOLD ACKNOWLEDGE: ");
break;
case 0x2d:
sprintf((pbuf+strlen(pbuf)), "SUSPEND ACKNOWLEDGE: ");
break;
case 0x2e:
sprintf((pbuf+strlen(pbuf)), "RESUME ACKNOWLEDGE: ");
break;
case 0x30:
sprintf((pbuf+strlen(pbuf)), "HOLD REJECT (Q.932): ");
break;
case 0x31:
sprintf((pbuf+strlen(pbuf)), "RETRIEVE (Q.932): ");
break;
case 0x32:
sprintf((pbuf+strlen(pbuf)), "RETRIEVE ACKNOWLEDGE (Q.932): ");
break;
case 0x37:
sprintf((pbuf+strlen(pbuf)), "RETRIEVE REJECT (Q.932): ");
break;
/* call clearing */
case 0x40:
sprintf((pbuf+strlen(pbuf)), "DETACH: ");
break;
case 0x45:
sprintf((pbuf+strlen(pbuf)), "DISCONNECT: ");
break;
case 0x46:
sprintf((pbuf+strlen(pbuf)), "RESTART: ");
break;
case 0x48:
sprintf((pbuf+strlen(pbuf)), "DETACH ACKNOWLEDGE: ");
break;
case 0x4d:
sprintf((pbuf+strlen(pbuf)), "RELEASE: ");
break;
case 0x4e:
sprintf((pbuf+strlen(pbuf)), "RESTART ACKNOWLEDGE: ");
break;
case 0x5a:
sprintf((pbuf+strlen(pbuf)), "RELEASE COMPLETE: ");
break;
/* misc messages */
case 0x60:
sprintf((pbuf+strlen(pbuf)), "SEGMENT: ");
break;
case 0x62:
sprintf((pbuf+strlen(pbuf)), "FACILITY (Q.932): ");
break;
case 0x64:
sprintf((pbuf+strlen(pbuf)), "REGISTER (Q.932): ");
break;
case 0x68:
sprintf((pbuf+strlen(pbuf)), "CANCEL ACKNOWLEDGE: ");
break;
case 0x6a:
sprintf((pbuf+strlen(pbuf)), "FACILITY ACKNOWLEDGE: ");
break;
case 0x6c:
sprintf((pbuf+strlen(pbuf)), "REGISTER ACKNOWLEDGE: ");
break;
case 0x6e:
sprintf((pbuf+strlen(pbuf)), "NOTIFY: ");
break;
case 0x70:
sprintf((pbuf+strlen(pbuf)), "CANCEL REJECT: ");
break;
case 0x72:
sprintf((pbuf+strlen(pbuf)), "FACILITY REJECT: ");
break;
case 0x74:
sprintf((pbuf+strlen(pbuf)), "REGISTER REJECT: ");
break;
case 0x75:
sprintf((pbuf+strlen(pbuf)), "STATUS ENQIRY: ");
break;
case 0x79:
sprintf((pbuf+strlen(pbuf)), "CONGESTION CONTROL: ");
break;
case 0x7b:
sprintf((pbuf+strlen(pbuf)), "INFORMATION: ");
break;
case 0x7d:
sprintf((pbuf+strlen(pbuf)), "STATUS: ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "UNDEFINED, TYPE=0x%02x, ", buf[i]);
break;
}
/* other information elements */
i++;
for (; i < n;)
{
sprintf((pbuf+strlen(pbuf)), "\n ");
if (buf[i] & 0x80)
{
/* single octett info element */
switch (buf[i] & 0x70)
{
case 0x00: /* reserved */
sprintf((pbuf+strlen(pbuf)), "[reserved single octett info]");
break;
case 0x10: /* shift */
oldcodeset = codeset;
codeset = buf[i] & 0x07;
if (buf[i] & 0x08)
codelock = 0;
else
codelock = 1;
sprintf((pbuf+strlen(pbuf)), "[shift: codeset=%d lock=%d]", codeset, codelock);
break;
case 0x20: /* more data */
if (buf[i] & 0x01)
sprintf((pbuf+strlen(pbuf)), "[sending complete]");
else
sprintf((pbuf+strlen(pbuf)), "[more data]");
break;
case 0x30: /* congestion level */
sprintf((pbuf+strlen(pbuf)), "[congestion level=");
switch (buf[i] & 0x0f)
{
case 0x00:
sprintf((pbuf+strlen(pbuf)), "rx-ready]");
break;
case 0x0f:
sprintf((pbuf+strlen(pbuf)), "rx-not-ready]");
break;
default:
sprintf((pbuf+strlen(pbuf)), "reserved (0x%02x)]", buf[i] & 0x0f);
break;
}
break;
case 0x50: /* repeat ind */
sprintf((pbuf+strlen(pbuf)), "[repeat indicator]");
break;
default:
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN SINGLE OCTET ELEMENT 0x%02x]", buf[i]);
break;
}
i++; /* next */
}
else
{
/* variable length info element */
if (codeset == 0)
{
switch (buf[i])
{
case 0x00:
sprintf((pbuf+strlen(pbuf)), "[segmented message: ");
break;
case 0x04:
sprintf((pbuf+strlen(pbuf)), "[bearer capability: ");
i += p_q931bc(pbuf, &buf[i]);
goto next;
break;
case 0x08:
sprintf((pbuf+strlen(pbuf)), "[cause: ");
i += p_q931cause(pbuf, &buf[i]);
goto next;
break;
case 0x0c:
sprintf((pbuf+strlen(pbuf)), "[connected address (old): ");
break;
case 0x0d:
sprintf((pbuf+strlen(pbuf)), "[extended facility (Q.932: )");
break;
case 0x10:
sprintf((pbuf+strlen(pbuf)), "[call identity: ");
break;
case 0x14:
sprintf((pbuf+strlen(pbuf)), "[call state: ");
i++;
len = buf[i];
i++;
sprintf((pbuf+strlen(pbuf)), "Std=");
switch ((buf[i] & 0x60) >> 5)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "CCITT");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "National");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "Special");
break;
}
sprintf((pbuf+strlen(pbuf)), ", State=");
switch ((buf[i] & 0x3f))
{
case 0:
sprintf((pbuf+strlen(pbuf)), "Null");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "Call initiated");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "Overlap sending");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "Outgoing call proceeding");
break;
case 4:
sprintf((pbuf+strlen(pbuf)), "Call delivered");
break;
case 6:
sprintf((pbuf+strlen(pbuf)), "Call present");
break;
case 7:
sprintf((pbuf+strlen(pbuf)), "Call received");
break;
case 8:
sprintf((pbuf+strlen(pbuf)), "Connect request");
break;
case 9:
sprintf((pbuf+strlen(pbuf)), "Incoming call proceeding");
break;
case 10:
sprintf((pbuf+strlen(pbuf)), "Active");
break;
case 11:
sprintf((pbuf+strlen(pbuf)), "Disconnect request");
break;
case 12:
sprintf((pbuf+strlen(pbuf)), "Disconnect indication");
break;
case 15:
sprintf((pbuf+strlen(pbuf)), "Suspend request");
break;
case 17:
sprintf((pbuf+strlen(pbuf)), "Resume request");
break;
case 19:
sprintf((pbuf+strlen(pbuf)), "Release request");
break;
case 22:
sprintf((pbuf+strlen(pbuf)), "Call abort");
break;
case 25:
sprintf((pbuf+strlen(pbuf)), "Overlap receiving");
break;
case 0x3d:
sprintf((pbuf+strlen(pbuf)), "Restart request");
break;
case 0x3e:
sprintf((pbuf+strlen(pbuf)), "Restart");
break;
default:
sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
break;
}
sprintf((pbuf+strlen(pbuf)), "]");
i++;
goto next;
break;
case 0x18:
sprintf((pbuf+strlen(pbuf)), "[channel id: channel=");
i++;
len = buf[i];
i++;
switch (buf[i] & 0x03)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "no channel");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "B-1");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "B-2");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "any channel");
break;
}
if (buf[i] & 0x08)
sprintf((pbuf+strlen(pbuf)), " (exclusive)]");
else
sprintf((pbuf+strlen(pbuf)), " (preferred)]");
i++;
goto next;
break;
case 0x19:
sprintf((pbuf+strlen(pbuf)), "[data link connection id (Q.933): ");
break;
case 0x1c:
i += q932_facility(pbuf, &buf[i]);
goto next;
break;
case 0x1e:
sprintf((pbuf+strlen(pbuf)), "[progress ind: ");
i++;
len = buf[i];
i++;
sprintf((pbuf+strlen(pbuf)), "Std=");
switch ((buf[i] & 0x60) >> 5)
{
case 0:
sprintf((pbuf+strlen(pbuf)), "CCITT");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "ISO/IEC");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "National");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "Local");
break;
}
sprintf((pbuf+strlen(pbuf)), ", Loc=");
switch ((buf[i] & 0x0f))
{
case 0:
sprintf((pbuf+strlen(pbuf)), "User");
break;
case 1:
sprintf((pbuf+strlen(pbuf)), "Private network serving local user");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "Public network serving local user");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "Transit network");
break;
case 4:
sprintf((pbuf+strlen(pbuf)), "Public network serving remote user");
break;
case 5:
sprintf((pbuf+strlen(pbuf)), "Private network serving remote user");
break;
case 6:
sprintf((pbuf+strlen(pbuf)), "Network beyond interworking point");
break;
default:
sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
break;
}
i++;
sprintf((pbuf+strlen(pbuf)), "\n Description: ");
switch ((buf[i] & 0x7f))
{
case 1:
sprintf((pbuf+strlen(pbuf)), "Call is not end-to-end ISDN");
break;
case 2:
sprintf((pbuf+strlen(pbuf)), "Destination address is non-ISDN");
break;
case 3:
sprintf((pbuf+strlen(pbuf)), "Origination address is non-ISDN");
break;
case 4:
sprintf((pbuf+strlen(pbuf)), "Call has returned to the ISDN");
break;
case 5:
sprintf((pbuf+strlen(pbuf)), "Interworking occurred, Service change");
break;
case 8:
sprintf((pbuf+strlen(pbuf)), "In-band info or appropriate pattern now available");
break;
default:
sprintf((pbuf+strlen(pbuf)), "ERROR: undefined/reserved");
break;
}
sprintf((pbuf+strlen(pbuf)), "]");
i++;
goto next;
break;
case 0x20:
sprintf((pbuf+strlen(pbuf)), "[network specific facilities: ");
break;
case 0x24:
sprintf((pbuf+strlen(pbuf)), "[terminal capabilities: ");
break;
case 0x27:
sprintf((pbuf+strlen(pbuf)), "[notification indicator: ");
i += p_q931notification(pbuf, &buf[i]);
goto next;
break;
case 0x28:
sprintf((pbuf+strlen(pbuf)), "[display: ");
i++;
len = buf[i];
i++;
for (j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf)),"%c", buf[j+i]);
}
sprintf((pbuf+strlen(pbuf)),"]");
i += j;
goto next;
break;
case 0x29:
sprintf((pbuf+strlen(pbuf)), "[date/time: ");
i++;
len = buf[i];
i++;
j = 0;
sprintf((pbuf+strlen(pbuf)),"%.2d.%.2d.%.2d",
buf[i+2], buf[i+1], buf[i]);
j+=3;
if (j < len)
{
sprintf((pbuf+strlen(pbuf))," %.2d", buf[i+3]);
j++;
}
if (j < len)
{
sprintf((pbuf+strlen(pbuf)),":%.2d", buf[i+4]);
j++;
}
if (j < len)
{
sprintf((pbuf+strlen(pbuf)),":%.2d", buf[i+5]);
j++;
}
sprintf((pbuf+strlen(pbuf)),"]");
i += len;
goto next;
break;
case 0x2c:
sprintf((pbuf+strlen(pbuf)), "[keypad: ");
break;
case 0x30:
sprintf((pbuf+strlen(pbuf)), "[keypad echo: ");
break;
case 0x32:
sprintf((pbuf+strlen(pbuf)), "[information req (Q.932): ");
break;
case 0x34:
sprintf((pbuf+strlen(pbuf)), "[signal: ");
break;
case 0x36:
sprintf((pbuf+strlen(pbuf)), "[switchhook: ");
break;
case 0x38:
sprintf((pbuf+strlen(pbuf)), "[feature activation (Q.932): ");
break;
case 0x39:
sprintf((pbuf+strlen(pbuf)), "[feature ind (Q.932): ");
break;
case 0x3a:
sprintf((pbuf+strlen(pbuf)), "[service profile id (Q.932): ");
break;
case 0x3b:
sprintf((pbuf+strlen(pbuf)), "[endpoint id (Q.932): ");
break;
case 0x40:
sprintf((pbuf+strlen(pbuf)), "[information rate: ");
break;
case 0x41:
sprintf((pbuf+strlen(pbuf)), "[precedence level (Q.955): ");
break;
case 0x42:
sprintf((pbuf+strlen(pbuf)), "[end-to-end transit delay: ");
break;
case 0x43:
sprintf((pbuf+strlen(pbuf)), "[transit delay detection and indication: ");
break;
case 0x44:
sprintf((pbuf+strlen(pbuf)), "[packet layer binary parameters: ");
break;
case 0x45:
sprintf((pbuf+strlen(pbuf)), "[packet layer window size: ");
break;
case 0x46:
sprintf((pbuf+strlen(pbuf)), "[packet size: ");
break;
case 0x47:
sprintf((pbuf+strlen(pbuf)), "[closed user group: ");
break;
case 0x48:
sprintf((pbuf+strlen(pbuf)), "[link layer core parameters (Q.933): ");
break;
case 0x49:
sprintf((pbuf+strlen(pbuf)), "[link layer protocol parameters (Q.933): ");
break;
case 0x4a:
sprintf((pbuf+strlen(pbuf)), "[reverse charging information: ");
break;
case 0x4c:
sprintf((pbuf+strlen(pbuf)), "[connected number (Q.951): ");
i += p_q931address(pbuf, &buf[i]);
goto next;
break;
break;
case 0x4d:
sprintf((pbuf+strlen(pbuf)), "[connected subaddress (Q.951): ");
break;
case 0x50:
sprintf((pbuf+strlen(pbuf)), "[X.213 priority (Q.933): ");
break;
case 0x51:
sprintf((pbuf+strlen(pbuf)), "[report type (Q.933): ");
break;
case 0x53:
sprintf((pbuf+strlen(pbuf)), "[link integrity verification (Q.933): ");
break;
case 0x57:
sprintf((pbuf+strlen(pbuf)), "[PVC status (Q.933): ");
break;
case 0x6c:
sprintf((pbuf+strlen(pbuf)), "[calling party number: ");
i += p_q931address(pbuf, &buf[i]);
goto next;
break;
case 0x6d:
sprintf((pbuf+strlen(pbuf)), "[calling party subaddress: ");
break;
case 0x70:
sprintf((pbuf+strlen(pbuf)), "[called party number: ");
i += p_q931address(pbuf, &buf[i]);
goto next;
break;
case 0x71:
sprintf((pbuf+strlen(pbuf)), "[called party subaddress: ");
break;
case 0x74:
sprintf((pbuf+strlen(pbuf)), "[redirecting number: ");
i += p_q931redir(pbuf, &buf[i]);
goto next;
break;
case 0x76:
sprintf((pbuf+strlen(pbuf)), "[redirection number: ");
i += p_q931redir(pbuf, &buf[i]);
goto next;
break;
case 0x78:
sprintf((pbuf+strlen(pbuf)), "[transit network selection: ");
break;
case 0x79:
sprintf((pbuf+strlen(pbuf)), "[restart indicator: ");
break;
case 0x7c:
sprintf((pbuf+strlen(pbuf)), "[low layer compatibility: ");
break;
case 0x7d:
sprintf((pbuf+strlen(pbuf)), "[high layer compatibility:");
i += p_q931high_compat(pbuf, &buf[i]);
goto next;
break;
case 0x7e:
sprintf((pbuf+strlen(pbuf)), "[user-user: ");
i += p_q931user_user(pbuf, &buf[i]);
goto next;
break;
case 0x7f:
sprintf((pbuf+strlen(pbuf)), "[escape for extension: ");
break;
default:
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN INFO-ELEMENT-ID=0x%02x: ", buf[i]);
break;
}
}
else
{
sprintf((pbuf+strlen(pbuf)), "[UNKNOWN CODESET=%d, IE=0x%02x: ", codeset, buf[i]);
}
i++; /* index -> length */
len = buf[i];
sprintf((pbuf+strlen(pbuf)), "LEN=0x%02x, DATA=", len);
i++; /* index -> 1st param */
for (j = 0; j < len; j++)
{
sprintf((pbuf+strlen(pbuf)),"0x%02x ", buf[j+i]);
}
sprintf((pbuf+strlen(pbuf)),"]");
i += len;
next:
if (!codelock && (codeset != oldcodeset))
codeset = oldcodeset;
}
}
sprintf((pbuf+strlen(pbuf)),"\n");
}
/* EOF */