v16i050: ECU async comm package rev 3.0, Part26/35

Warren Tucker wht at n4hgf.uucp
Sun Jan 6 16:26:33 AEST 1991


Submitted-by: wht at n4hgf.uucp (Warren Tucker)
Posting-number: Volume 16, Issue 50
Archive-name: ecu3/part26

---- Cut Here and feed the following to sh ----
#!/bin/sh
# This is part 26 of ecu3
if touch 2>&1 | fgrep 'amc' > /dev/null
 then TOUCH=touch
 else TOUCH=true
fi
# ============= gendial/template.c ==============
if test ! -d 'gendial'; then
    echo 'x - creating directory gendial'
    mkdir 'gendial'
fi
echo 'x - extracting gendial/template.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'gendial/template.c' &&
X/*+-------------------------------------------------------------------------
X	template.c - DCE-specific portion of generic SCO UUCP dialer
X	wht at n4hgf.Mt-Park.GA.US
X
X Necessary DCE switch setting or other configuration:
X   Switch foo off: enable onhook upon loss of DTR
X--------------------------------------------------------------------------*/
X/*+:EDITS:*/
X/*:08-14-1990-20:40-wht at n4hgf-ecu3.00-flush old edit history */
X
X#include "dialer.h"
X
X/*
X * DCE_DTR_low_msec - milliseconds to hold DTR low to ensure DCE
X *                    sees the transition; this value may be changed
X *                    as necessary before each call to ltoggleDTR(),
X * but, generally, a constant value will do.
X */
Xlong DCE_DTR_low_msec = 500;
X
X/*
X * DCE_DTR_high_msec - milliseconds DTR must remain high before the
X *                     DCE may be expected to be ready to be commanded
X */
Xlong DCE_DTR_high_msec = 500;
X
X/*
X * DCE_write_pase_msec - milliseconds to pause between each character
X *                       sent to the DCE (zero if streaming I/O is
X *                       permitted); this value may be changed as
X * necessary before each call to lwrite(), but, generally, a constant
X * value will do.  Note that this value is used to feed a value to nap(),
X * which has a granularity of .010 seconds on UNIX/386, .020 on XENIX/286
X * and .050 seconds on XENIX/86.
X */
Xlong DCE_write_pace_msec = 20;
X
X/*
X * DCE_name     - short name for DCE
X * DCE_revision - revision number for this module
X */
Xchar *DCE_name = "Frobozz 9600";
Xchar *DCE_revision = "1.00";
X
X/*
X * DCE_hangup_CBAUD - baud rate to use for hanging up DCE
X *                    and readying it for dial in access
X *                    (BXXX mask); use a value of zero if the speed
X *                    specified by the invoker is to be used.
X * This value is useful for DCEs such as the early Hayes 2400
X * which are so unfortunately compatible with their 1200 predecessor
X * that they refuse to answer at 2400 baud unless you last spoke to
X * them at that rate. For such bad boys, use B2400 below.
X */
Xint DCE_hangup_CBAUD = 0;
X/* int DCE_hangup_CBAUD = B2400; */
X
X/*
X * DCE_results - a table of DCE response strings and a token
X *               code for each; when you call lread() or lread_ignore(),
X *               if the read routine detects one of the strings,
X * the appropriate code is returned.  If no string matches, then
X * lread()/lread_ignore examines the DCE result string for a
X * numeric value; if one is found, the numeric value or'd with
X * 0x4000 is returned (in this way, e.g., you can read "modem
X * S registers."  If nothing agrees with this search, lread()
X * will abort the program with RC|FAIL|RCE_TIMOUT, lread_ignore()
X * will return -1.  You may use any value between 0 and 0x3FFFFFFF.
X * This module is the only consumer  of the codes, although they
X * are decoded by gendial.c's _lread()
X */
X#define rfConnect		0x00400000
X
X#define rOk				0
X#define rNoCarrier		1
X#define rError			2
X#define rNoDialTone		3
X#define rBusy			4
X#define rNoAnswer		5
X#define rRring			6
X#define rConnect300		(7 | rfConnect)
X#define rConnect1200	(8 | rfConnect)
X#define rConnect2400	(9 | rfConnect)
X
XDCE_RESULT DCE_results[] =
X{
X	{ "OK",						rOk,			},
X	{ "NO CARRIER",				rNoCarrier,		},
X	{ "ERROR",					rError			},
X	{ "NO DIALTONE",			rNoDialTone,	},
X	{ "BUSY",					rBusy			},
X	{ "NO ANSWER",				rNoAnswer		},
X	{ (char *)0,				-1				}		/* end table */
X};
X
X/*+-------------------------------------------------------------------------
X	DCE_baud_to_CBAUD(baud) - check for valid baud rates supported by DCE
X
X  DCE dependent function must validate baud rates supported by DCE
X  returns baud rate in struct termio c_cflag fashion
X  or terminates program with error
X--------------------------------------------------------------------------*/
Xint
XDCE_baud_to_CBAUD(baud)
Xunsigned int baud;
X{
X	switch(baud)
X	{
X		case 50:   return(B50);		/* delete the ones you dont handle */
X		case 75:   return(B75);
X		case 110:  return(B110);
X		case 134:  return(B134);
X		case 150:  return(B150);
X		case 300:  return(B300);
X		case 1200: return(B1200);
X		case 2400: return(B2400);
X		case 4800: return(B4800);
X		case 9600: return(B9600);
X
X#if defined(B19200)
X		case 19200: return(B19200);
X#else
X#ifdef EXTA
X		case 19200: return(EXTA);
X#endif
X#endif
X
X#if defined(B38400)
X		case 38400: return(B38400);
X#else
X#ifdef EXTB
X		case 38400: return(EXTB);
X#endif
X#endif
X
X	}
X	myexit(RC_FAIL | RCE_SPEED);
X}	/* end of DCE_baud_to_CBAUD */
X
X/*+-------------------------------------------------------------------------
X	DCE_hangup() - issue hangup command to DCE
X
XThis function should do whatever is necessary to ensure
X1) any active connection is terminated
X2) the DCE is ready to receive an incoming call if DTR is asserted
X3) the DCE will not accept an incoming call if DTR is false
X
XThe function should return when done.
X
XAny necessary switch setting or other configuration necessary for this
Xfunction to succeed should be documented at the top of the module.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_hangup()
X{
X	DEBUG(3,"RESETING %s\n",DCE_name);
X
X}	/* end of DCE_hangup */
X
X/*+-------------------------------------------------------------------------
X	DCE_dial(telno) - dial a remote DCE
X
XThis function should connect to the remote DCE and use any success
Xindication to modify the tty baud rate if necessary before returning.
X
XUpon successful connection, return 0.
X
XUpon unsuccessful connection, return RC_FAIL or'd with an appropriate
XRCE_XXX value from dialer.h.
X
Xlwrite() is used to write to the DCE.
X
Xlread() and lread_ignore() are used to read from the DCE.  Read timeouts
Xfrom calling lread() will result automatically in the proper error
Xtermination of the program.  Read timeouts from calling lread_ignore()
Xreturn -1; you handle the execption here.
X
XAny necessary coding of phone numbers, switch settings or other
Xconfiguration necessary for this function to succeed should be
Xdocumented at the top of the module.
X--------------------------------------------------------------------------*/
Xint
XDCE_dial(telno)
Xchar *telno;
X{
Xchar cmd[80];
X
X/* preliminary setup */
X
X/* if root, let him see number, otherwise just say "remote system" */
X	DEBUG(1,"DIALING %s\n", (uid) ? "remote system" : telno);
X
X/* indicate non-root should not see DTE->DCE traffic */
X	secure = 1;
X
X/* issue the actual dialing command */
X
X/* indicate non-root can see DTE->DCE traffic */
X	secure = 0;
X
X	return(0);		/* succeeded */
X
X}	/* end of DCE_dial */
X
X/**********************************************************
X*  You probably do not need to modify the code below here *
X**********************************************************/
X
X/*+-------------------------------------------------------------------------
X	DCE_abort(sig) - dial attempt aborted
X
X sig =  0 if non-signal abort (read timeout, most likely)
X     != 0 if non-SIGALRM signal caught
X
X extern int dialing set  1 if dialing request was active,
X                    else 0 if hangup request was active
X
XThis is a chance for the DCE-specific code to do anything it
Xneeds to cl,ean up after a failure.  Note that if a dialing
Xcall fails, it is the responsibility of the higher-level
Xprogram calling the dialer to call it again with a hangup request, so
Xthis function is usually a no-op.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_abort(sig)
Xint sig;
X{
X	DEBUG(10,"DCE_abort(%d);\n",sig);
X}	/* end of DCE_abort */
X
X/*+-------------------------------------------------------------------------
X	DCE_exit(exitcode) - "last chance for gas" in this incarnation
X
XThe independent portion of the dialer program calls this routine in
Xlieu of exit() in every case except one (see DCE_argv_hook() below).
XNormally, this function just passes it's argument to exit(), but
Xany necessary post-processing can be done.  The function must,
Xhowever, eventually call exit(exitcode);
X--------------------------------------------------------------------------*/
Xvoid
XDCE_exit(exitcode)
Xint exitcode;
X{
X	DEBUG(10,"DCE_exit(%d);\n",exitcode);
X	exit(exitcode);
X}	/* end of DCE_exit */
X
X/*+-------------------------------------------------------------------------
X	DCE_argv_hook(argc,argv,optind,unrecognized_switches)
X
XThis hook gives DCE-specific code a chance to look over the entire
Xcommand line, such as for -z Telebit processing.
X
Xargc andf argv are the same values passed to main(),
X
Xoptind is the value of optind at the end of normal getopt processing.
X
Xunrecognized_switches is the count of switches not handled by main().
XSpecifically, -h and -x are standard switches.
X
XNormally, this function should just return RC_FAIL|RCE_ARGS if there are
Xany unrecognized switches, otherwise zero.  If you keep your nose clean
Xthough, you can do anything you need to do here and exit the program.
X
XNote: only simple switches (with no argument) may be used with this
Xfacility if the functrion is to return,' since main()'s getopt() will
Xstop processing switches if it runs into an unrecognized switch with an
Xargument.
X
XIf the function returns a non-zero value, then the value will be passed
XDIRECTLY to exit() with no further ado.  Thus, a non-zero value must be
Xof the format expected by dialer program callers, with RC_FAIL set as a
Xminimum.
X--------------------------------------------------------------------------*/
Xint
XDCE_argv_hook(argc,argv,optind,unrecognized_switches)
Xint argc;
Xchar **argv;
Xint optind;
Xint unrecognized_switches;
X{
X	if(unrecognized_switches)
X		return(RC_FAIL | RCE_ARGS);
X	return(0);
X}	/* end of DCE_argv_hook */
X
X/* vi: set tabstop=4 shiftwidth=4: */
SHAR_EOF
$TOUCH -am 0814204290 'gendial/template.c' &&
chmod 0644 gendial/template.c ||
echo 'restore of gendial/template.c failed'
Wc_c="`wc -c < 'gendial/template.c'`"
test 9615 -eq "$Wc_c" ||
	echo 'gendial/template.c: original size 9615, current size' "$Wc_c"
# ============= gendial/dceMC9624.c ==============
echo 'x - extracting gendial/dceMC9624.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'gendial/dceMC9624.c' &&
X/* CHK=0xB3C9 */
X#define WHT
X/*+-------------------------------------------------------------------------
X	dceMC9624.c - DCE-specific portion of generic SCO UUCP dialer
X	Driver for Microcom AX/9624c (assuming DTMF dialing only)
X	wht at n4hgf.Mt-Park.GA.US
X--------------------------------------------------------------------------*/
X/*+:EDITS:*/
X/*:11-29-1990-18:31-r at n4hgf-revision/1st releasable */
X/*:07-24-1990-15:36-wht at n4hgf-add speaker on/off */
X/*:07-20-1990-00:10-wht at n4hgf-creation */
X
X#include "dialer.h"
X
X/*
X * DCE_DTR_low_msec - milliseconds to hold DTR low to ensure DCE
X *                    sees the transition; this value may be changed
X *                    as necessary before each call to ltoggleDTR(),
X * but, generally, a constant value will do.
X */
Xlong DCE_DTR_low_msec = 500;
X
X/*
X * DCE_DTR_high_msec - milliseconds DTR must remain high before the
X *                     DCE may be expected to be ready to be commanded
X */
Xlong DCE_DTR_high_msec = 500;
X
X/*
X * DCE_write_pase_msec - milliseconds to pause between each character
X *                       sent to the DCE (zero if streaming I/O is
X *                       permitted); this value may be changed as
X * necessary before each call to lwrite(), but, generally, a constant
X * value will do.  Note that this value is used to feed a value to nap(),
X * which has a granularity of .010 seconds on UNIX/386, .020 on XENIX/286
X * and .050 seconds on XENIX/86.
X */
Xlong DCE_write_pace_msec = 0;
X
X/*
X * DCE_name     - short name for DCE
X * DCE_revision - revision number for this module
X */
Xchar *DCE_name = "Microcom AX/9624c";
Xchar *DCE_revision = "1.00";
X
X/*
X * DCE_hangup_CBAUD - baud rate to use for hanging up DCE
X *                    and readying it for dial in access
X *                    (BXXX mask); use a value of zero if the speed
X *                    specified by the invoker is to be used.
X * This value is useful for DCEs such as the early Hayes 2400
X * which are so unfortunately compatible with their 1200 predecessor
X * that they refuse to answer at 2400 baud unless you last spoke to
X * them at that rate. For such bad boys, use B2400 below.
X */
Xint DCE_hangup_CBAUD = 0;
X/* int DCE_hangup_CBAUD = B2400; */
X
X/*
X * DCE_results - a table of DCE response strings and a token
X *               code for each; when you call lread() or lread_ignore(),
X *               if the read routine detects one of the strings,
X * the appropriate code is returned.  If no string matches, then
X * lread()/lread_ignore examines the DCE result string for a
X * numeric value; if one is found, the numeric value or'd with
X * 0x40000000 is returned (in this way, e.g., you can read "modem
X * S registers").  If nothing agrees with this search, lread()
X * will abort the program with RC|FAIL|RCE_TIMOUT, lread_ignore()
X * will return -1.  You may use any value between 0 and 0x3FFFFFFF.
X * This module is the only consumer  of the codes, although they
X * are decoded by gendial.c's _lread()
X */
X
X/* flag bits */
X#define rfConnect		0x00800000
X#define rfREL			0x00400000
X#define rfMASK			0x0000FFFF	/* mask off rfBits */
X
X/* unique codes */
X#define rOk				0
X#define rNoCarrier		1
X#define rError			2
X#define rNoDialTone 	3
X#define rBusy			4
X#define rNoAnswer		5
X#define rConnect300		(  300  | rfConnect)
X#define rConnect1200	( 1200  | rfConnect)
X#define rConnect2400	( 1200  | rfConnect)
X#define rConnect4800	( 4800  | rfConnect)
X#define rConnect9600	( 9600  | rfConnect)
X#define rConnect300R	(  300  | rfConnect | rfREL)
X#define rConnect1200R	( 1200  | rfConnect | rfREL)
X#define rConnect2400R	( 2400  | rfConnect | rfREL)
X#define rConnect4800R	( 4800  | rfConnect | rfREL)
X#define rConnect9600R	( 9600  | rfConnect | rfREL)
X
XDCE_RESULT DCE_results[] =
X{
X	{ "OK",						rOk,			},
X	{ "NO CARRIER",				rNoCarrier,		},
X	{ "ERROR",					rError			},
X	{ "NO DIALTONE",			rNoDialTone,	},
X	{ "BUSY",					rBusy			},
X	{ "NO ANSWER",				rNoAnswer		},
X	{ "CONNECT 300/REL",		rConnect300R	},
X	{ "CONNECT 1200/REL",		rConnect1200R	},
X	{ "CONNECT 2400/REL",		rConnect2400R	},
X	{ "CONNECT 4800/REL",		rConnect4800R	},
X	{ "CONNECT 9600/REL",		rConnect9600R	},
X	{ "CONNECT 300",			rConnect300		},
X	{ "CONNECT 1200",			rConnect1200	},
X	{ "CONNECT 2400",			rConnect2400	},
X	{ "CONNECT 4800",			rConnect4800 	},
X	{ "CONNECT 9600",			rConnect9600	},
X	{ (char *)0,				-1				}		/* end table */
X};
X
X/*+-------------------------------------------------------------------------
X	DCE_baud_to_CBAUD(baud) - check for valid baud rates supported by DCE
X
X  DCE dependent function must validate baud rates supported by DCE
X  returns baud rate in struct termio c_cflag fashion
X  or terminates program with error
X--------------------------------------------------------------------------*/
Xint
XDCE_baud_to_CBAUD(baud)
Xunsigned int baud;
X{
X	switch(baud)
X	{
X		case 110:  return(B110);
X		case 300:  return(B300);
X		case 1200: return(B1200);
X		case 2400: return(B2400);
X		case 4800: return(B4800);
X		case 9600: return(B9600);
X
X#if defined(B19200)
X		case 19200: return(B19200);
X#else
X#ifdef EXTA
X		case 19200: return(EXTA);
X#endif
X#endif
X
X	}
X	myexit(RC_FAIL | RCE_SPEED);
X}	/* end of DCE_baud_to_CBAUD */
X
X/*+-------------------------------------------------------------------------
X	sync_Microcom() - sync modem with our DTE speed
X--------------------------------------------------------------------------*/
Xvoid
Xsync_Microcom()
X{
Xregister int maxretry = 4;
Xregister int count;
Xunsigned char rdchar;
X
X	while(maxretry--)
X	{
X		lflush();
X		DCE_write_pace_msec = 20;
X		lwrite("ATQ0E1V1\r");
X		DCE_write_pace_msec = 0;
X		if(lread_ignore(2) == rOk)
X			return;
X	}
X
X	DEBUG(1,"Microcom SYNC FAILED\n",0);
X	myexit(RC_FAIL | RCE_TIMOUT);
X
X}	/* end of sync_Microcom */
X
X/*+-------------------------------------------------------------------------
X	DCE_hangup() - issue hangup command to DCE
X
XThis function should do whatever is necessary to ensure
X1) any active connection is terminated
X2) the DCE is ready to receive an incoming call if DTR is asserted
X3) the DCE will not accept an incoming call if DTR is false
X
XThe function should return when done.
X
XAny necessary switch setting or other configuration necessary for this
Xfunction to succeed should be documented at the top of the module.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_hangup()
X{
Xchar *dialin = "ATS0=1Q1E0M0\\N3\\Q1\\G1%C1%P2\r";
X
X	DEBUG(7,"INITIALIZING %s\n",dce_name);
X
X	ltoggleDTR(2000L);
X	sync_Microcom();
X	lwrite(dialin);
X	nap(500L);
X
X}	/* end of DCE_hangup */
X
X/*+-------------------------------------------------------------------------
X	DCE_dial(telno) - dial a remote DCE
X
XThis function should connect to the remote DCE and use any success
Xindication to modify the tty baud rate if necessary before returning.
X
XUpon successful connection, return 0.
X
XUpon unsuccessful connection, return RC_FAIL or'd with an appropriate
XRCE_XXX value from dialer.h.
X
Xlwrite() is used to write to the DCE.
X
Xlread() and lread_ignore() are used to read from the DCE.  Read timeouts
Xfrom calling lread() will result automatically in the proper error
Xtermination of the program.  Read timeouts from calling lread_ignore()
Xreturn -1; you handle the execption here.
X
XAny necessary coding of phone numbers, switch settings or other
Xconfiguration necessary for this function to succeed should be
Xdocumented at the top of the module.
X
XMicrocom Plus-specific comments:
X--------------------------------------------------------------------------*/
Xint
XDCE_dial(telno)
Xchar *telno;
X{
Xchar cmd[128];
Xint s50_set = 0;
Xint s111_set = 0;
Xint timeout;
Xint result;
Xlong then;
Xlong now;
Xchar *cptr;
Xchar phnum[42];
X#define MDVALID "0123456789NnSs,*#()-"
Xchar *setup      = "ATQ0E1V1X4S0=0&D2&C1%C1%P2";
Xchar *setup_REL  = "\\N3\\Q1\\G1";
Xchar *setup_NORM = "\\N0\\Q0\\G0";
X
X/* preliminary setup */
X	translate("=,-,",telno);
X	if(strspn(telno,MDVALID) != strlen(telno))
X	{
X		DEBUG(1,"phone number has invalid characters\n",0);
X		return(RC_FAIL | RCE_PHNO);
X	}
X	if(decode_phone_number(telno,phnum,sizeof(phnum)))
X	{
X		DEBUG(1,"phone number too long\n",0);
X		return(RC_FAIL | RCE_PHNO);
X	}
X
X/*
X * calculate a timeout for the connect
X * allow a minimum of 40 seconds, if reliable, 50
X * also if long distance (North American calculation here)
X * make it 132
X */
X	timeout = 40;
X	if(hiCBAUD > B2400)
X		timeout = 50;
X	if((phnum[0] == '1') && (phnum[0] != '0'))
X		timeout = 132;
X	for(cptr = phnum; cptr = strchr(cptr,','); cptr++)
X		timeout += 2;	/* add extra time for pause characters */
X	DEBUG(6,"timeout waiting for connect = %d seconds\n",timeout);
X
X/*
X * build and issue the dialout setup command
X * 9624's S7 timing is way off (S7 is calculated as timeout * .6)
X */
X	DEBUG(1,"--> issuing setup command\n",0);
X	sprintf(cmd,"%s%sS7=%d\r",
X		setup,
X		(hiCBAUD > B2400) ? setup_REL : setup_NORM,
X		(timeout * 6) / 10);
X
X	sync_Microcom();
X	lwrite(cmd);
X	if(lread(2) != rOk)
X		return(RC_FAIL | RCE_NULL);
X
X/* indicate non-root should not see DTE->DCE traffic */
X	secure = 1;
X
X/*
X * build and issue the actual dialing command
X * if root, let him see number, otherwise just say "remote system"
X */
X#ifdef WHT
X	if(!strncmp(*gargv,"ECU",3))
X		dialer_codes['S' - 'A'] = 1;
X#endif
X	DEBUG(1,"--> dialing %s\n", (uid) ? "remote system" : phnum);
X	sprintf(cmd,"ATS2=1M%dDT%s\r",
X		((dialer_codes['S' - 'A']) && !(dialer_codes['N' - 'A'])) ? 1 : 0,
X		phnum);
X
X	/* cmd string can only be 40 characters including "AT" */
X	if(strlen(cmd) > 40)
X	{
X		DEBUG(1,"phone number string too long\n",0);
X		cleanup(RC_FAIL | RCE_PHNO);
X	}
X
X	lwrite(cmd);
X
X/* indicate non-root can see DTE->DCE traffic */
X	secure = 0;
X
X/* wait for connect */
XWAIT_FOR_CONNECT:
X	time(&then);
X	result = lread(timeout);
X	if(!(result & rfConnect))
X	{
X		switch(result & rfMASK)
X		{
X		case rNoDialTone:
X			return(RC_FAIL | RCE_NOTONE);
X		case rBusy:
X			return(RC_FAIL | RCE_BUSY);
X		case rNoAnswer:
X		case rNoCarrier:	/* with ATX4, NO CARRIER == NO ANSWER
X							 * since BUSY and NO DIAL TONE are reported
X							 */
X			return(RC_FAIL | RCE_ANSWER);
X		default:
X			return(RC_FAIL | RCE_NULL);
X		}
X	}
X
X	return(0);		/* succeeded */
X
X}	/* end of DCE_dial */
X
X/**********************************************************
X*  You probably do not need to modify the code below here *
X**********************************************************/
X
X/*+-------------------------------------------------------------------------
X	DCE_abort(sig) - dial attempt aborted
X
X sig =  0 if non-signal abort (read timeout, most likely)
X     != 0 if non-SIGALRM signal caught
X
X extern int dialing set  1 if dialing request was active,
X                    else 0 if hangup request was active
X
XThis is a chance for the DCE-specific code to do anything it
Xneeds to cl,ean up after a failure.  Note that if a dialing
Xcall fails, it is the responsibility of the higher-level
Xprogram calling the dialer to call it again with a hangup request, so
Xthis function is usually a no-op.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_abort(sig)
Xint sig;
X{
X	DEBUG(10,"DCE_abort(%d);\n",sig);
X}	/* end of DCE_abort */
X
X/*+-------------------------------------------------------------------------
X	DCE_exit(exitcode) - "last chance for gas" in this incarnation
X
XThe independent portion of the dialer program calls this routine in
Xlieu of exit() in every case except one (see DCE_argv_hook() below).
XNormally, this function just passes it's argument to exit(), but
Xany necessary post-processing can be done.  The function must,
Xhowever, eventually call exit(exitcode);
X--------------------------------------------------------------------------*/
Xvoid
XDCE_exit(exitcode)
Xint exitcode;
X{
X	DEBUG(10,"DCE_exit(%d);\n",exitcode);
X	exit(exitcode);
X}	/* end of DCE_exit */
X
X/*+-------------------------------------------------------------------------
X	DCE_argv_hook(argc,argv,optind,unrecognized_switches)
X
XThis hook gives DCE-specific code a chance to look over the entire
Xcommand line, such as for -z processing.
X
Xargc andf argv are the same values passed to main(),
X
Xoptind is the value of optind at the end of normal getopt processing.
X
Xunrecognized_switches is the count of switches not handled by main().
XSpecifically, -h and -x are standard switches.
X
XNormally, this function should just return RC_FAIL|RCE_ARGS if there are
Xany unrecognized switches, otherwise zero.  If you keep your nose clean
Xthough, you can do anything you need to do here and exit the program.
X
XNote: only simple switches (with no argument) may be used with this
Xfacility if the functrion is to return,' since main()'s getopt() will
Xstop processing switches if it runs into an unrecognized switch with an
Xargument.
X
XIf the function returns a non-zero value, then the value will be passed
XDIRECTLY to exit() with no further ado.  Thus, a non-zero value must be
Xof the format expected by dialer program callers, with RC_FAIL set as a
Xminimum.
X--------------------------------------------------------------------------*/
Xint
XDCE_argv_hook(argc,argv,optind,unrecognized_switches)
Xint argc;
Xchar **argv;
Xint optind;
Xint unrecognized_switches;
X{
X	if(unrecognized_switches)
X		return(RC_FAIL | RCE_ARGS);
X	return(0);
X}	/* end of DCE_argv_hook */
X
X/* vi: set tabstop=4 shiftwidth=4: */
SHAR_EOF
$TOUCH -am 1129183190 'gendial/dceMC9624.c' &&
chmod 0644 gendial/dceMC9624.c ||
echo 'restore of gendial/dceMC9624.c failed'
Wc_c="`wc -c < 'gendial/dceMC9624.c'`"
test 13186 -eq "$Wc_c" ||
	echo 'gendial/dceMC9624.c: original size 13186, current size' "$Wc_c"
# ============= gendial/dceTBPlus.c ==============
echo 'x - extracting gendial/dceTBPlus.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'gendial/dceTBPlus.c' &&
X/* CHK=0xFF53 */
X/* #define TRUSTING		/* trust user has -z'd before use */
X#define WHT
X/*+-------------------------------------------------------------------------
X	dceTBPlus.c - DCE-specific portion of generic SCO UUCP dialer
X	Driver for Telebit Trailblazer Plus
X	wht at n4hgf.Mt-Park.GA.US
X--------------------------------------------------------------------------*/
X/*+:EDITS:*/
X/*:11-29-1990-18:31-r at n4hgf-revision/1st releasable */
X/*:07-20-1990-00:10-wht at n4hgf-creation */
X
X#include "dialer.h"
X
X/*
X * DCE_DTR_low_msec - milliseconds to hold DTR low to ensure DCE
X *                    sees the transition; this value may be changed
X *                    as necessary before each call to ltoggleDTR(),
X * but, generally, a constant value will do.
X */
Xlong DCE_DTR_low_msec = 500;
X
X/*
X * DCE_DTR_high_msec - milliseconds DTR must remain high before the
X *                     DCE may be expected to be ready to be commanded
X */
Xlong DCE_DTR_high_msec = 500;
X
X/*
X * DCE_write_pase_msec - milliseconds to pause between each character
X *                       sent to the DCE (zero if streaming I/O is
X *                       permitted); this value may be changed as
X * necessary before each call to lwrite(), but, generally, a constant
X * value will do.  Note that this value is used to feed a value to nap(),
X * which has a granularity of .010 seconds on UNIX/386, .020 on XENIX/286
X * and .050 seconds on XENIX/86.
X */
Xlong DCE_write_pace_msec = 0;
X
X/*
X * DCE_name     - short name for DCE
X * DCE_revision - revision number for this module
X */
Xchar *DCE_name = "Telebit Trailblazer Plus";
Xchar *DCE_revision = "1.00";
X
X/*
X * DCE_hangup_CBAUD - baud rate to use for hanging up DCE
X *                    and readying it for dial in access
X *                    (BXXX mask); use a value of zero if the speed
X *                    specified by the invoker is to be used.
X * This value is useful for DCEs such as the early Hayes 2400
X * which are so unfortunately compatible with their 1200 predecessor
X * that they refuse to answer at 2400 baud unless you last spoke to
X * them at that rate. For such bad boys, use B2400 below.
X */
Xint DCE_hangup_CBAUD = 0;
X/* int DCE_hangup_CBAUD = B2400; */
X
X/*
X * DCE_results - a table of DCE response strings and a token
X *               code for each; when you call lread() or lread_ignore(),
X *               if the read routine detects one of the strings,
X * the appropriate code is returned.  If no string matches, then
X * lread()/lread_ignore examines the DCE result string for a
X * numeric value; if one is found, the numeric value or'd with
X * 0x40000000 is returned (in this way, e.g., you can read "modem
X * S registers").  If nothing agrees with this search, lread()
X * will abort the program with RC|FAIL|RCE_TIMOUT, lread_ignore()
X * will return -1.  You may use any value between 0 and 0x3FFFFFFF.
X * This module is the only consumer  of the codes, although they
X * are decoded by gendial.c's _lread()
X */
X
X/* flag bits */
X#define rfConnect		0x00800000
X#define rfREL			0x00400000
X#define rfFAST			0x00200000
X#define rfMASK			0x0000FFFF	/* mask off rfBits */
X
X/* unique codes */
X#define rOk				0
X#define rNoCarrier		1
X#define rError			2
X#define rNoDialTone 	3
X#define rBusy			4
X#define rNoAnswer		5
X#define rRring			6
X#define rConnect300		(  300  | rfConnect)
X#define rConnect1200	( 1200  | rfConnect)
X#define rConnect2400	( 2400  | rfConnect)
X#define rConnect300R	(  300  | rfConnect | rfREL)
X#define rConnect1200R	( 1200  | rfConnect | rfREL)
X#define rConnect2400R	( 2400  | rfConnect | rfREL)
X#define rConnectFASTK	(19200  | rfConnect | rfFAST)
X#define rConnectFASTX	(19200  | rfConnect | rfFAST)
X#define rConnectFASTU	(19200  | rfConnect | rfFAST)
X#define rConnectFAST	(19200  | rfConnect | rfFAST)
X
XDCE_RESULT DCE_results[] =
X{
X	{ "OK",						rOk,			},
X	{ "NO CARRIER",				rNoCarrier,		},
X	{ "ERROR",					rError			},
X	{ "NO DIALTONE",			rNoDialTone,	},
X	{ "BUSY",					rBusy			},
X	{ "NO ANSWER",				rNoAnswer		},
X	{ "RRING",					rRring			},
X	{ "CONNECT 300/REL",		rConnect300R	},
X	{ "CONNECT 1200/REL",		rConnect1200R	},
X	{ "CONNECT 2400/REL",		rConnect2400R	},
X	{ "CONNECT 300",			rConnect300		},
X	{ "CONNECT 1200",			rConnect1200	},
X	{ "CONNECT 2400",			rConnect2400	},
X	{ "CONNECT FAST/KERM",		rConnectFASTK	},
X	{ "CONNECT FAST/XMDM",		rConnectFASTX	},
X	{ "CONNECT FAST/UUCP",		rConnectFASTU	},
X	{ "CONNECT FAST",			rConnectFAST	},
X	{ (char *)0,				-1				}		/* end table */
X};
X
X/*+-------------------------------------------------------------------------
X	DCE_baud_to_CBAUD(baud) - check for valid baud rates supported by DCE
X
X  DCE dependent function must validate baud rates supported by DCE
X  returns baud rate in struct termio c_cflag fashion
X  or terminates program with error
X--------------------------------------------------------------------------*/
Xint
XDCE_baud_to_CBAUD(baud)
Xunsigned int baud;
X{
X	switch(baud)
X	{
X		case 110:  return(B110);
X		case 300:  return(B300);
X		case 1200: return(B1200);
X		case 2400: return(B2400);
X		case 9600: return(B9600);
X
X#if defined(B19200)
X		case 19200: return(B19200);
X#else
X#ifdef EXTA
X		case 19200: return(EXTA);
X#endif
X#endif
X
X#if defined(B38400)
X		case 38400: return(B38400);
X#else
X#ifdef EXTB
X		case 38400: return(EXTB);
X#endif
X#endif
X
X	}
X	myexit(RC_FAIL | RCE_SPEED);
X}	/* end of DCE_baud_to_CBAUD */
X
X/*+-------------------------------------------------------------------------
X	sync_Telebit() - sync modem with our DTE speed
X--------------------------------------------------------------------------*/
Xvoid
Xsync_Telebit()
X{
Xregister int maxretry = 8;
Xregister int count;
Xunsigned char rdchar;
X
X	while(maxretry--)
X	{
X		lflush();
X		write(fddce,"a",1);
X		count = 5;
X		while(count)	/* wait 50-200 msec for character, depending on HZ */
X		{
X			if(rdchk(fddce))
X				break;
X			nap(50L);
X			count--;
X		}
X		if(count && (read(fddce,&rdchar,1) == 1) && (rdchar == 'a'))
X			return;
X	}
X
X	DEBUG(1,"Telebit SYNC FAILED\n",0);
X	myexit(RC_FAIL | RCE_TIMOUT);
X
X}	/* end of sync_Telebit */
X
X/*+-------------------------------------------------------------------------
X	init_TBPlus() - init TBPlus from scratch, assuming nothing
X
X	reset to factory defaults, then set
X    E0          no local echo in command mode
X    F1          no local echo in data transfer mode
X    M0          speaker off
X    Q4          generate reult codes, but not RING
X    V1          verbal result codes
X    X3          extended result codes
X    S0=1        answer on first ring
X    S2=1        escape to "unusual" value
X    S11=50      50 msec DTMF timing
X    S45=1       enable remote access
X    S48=1       all 8 bits are significant
X    S50=0       use automatic connect speed determination
X    S51=252     set serial port baud rate automatically (no typeahead)
X    S52=2       go on hook when DTR drops and reset to NV-RAM
X    S53=1       DCD signal follows remote carrier, DSR on when modem ready
X    S54=3       pass BREAK signal to remote modem
X    S55=0       respond to command escape sequence
X    S58=2       DTE uses CTS/RTS flow control.
X    S64=1       ignore characters sent by DTE while answering
X    S66=0       don't lock interface speed, just go with the flow.
X    S68=255     DCE uses whatever flow control DTE uses
X    S92=1       PEP tones at the end of answer sequence
X    S95=0       no MNP
X    S110=255    use data compression when the remote modem requests it.
X    S111=255    accept any protocol
X--------------------------------------------------------------------------*/
Xvoid
Xinit_TBPlus()
X{
Xregister itmp;
Xint maxretry = 4;
Xchar *init0 = "AT&FE0F1M0Q4V1X3\r";
Xchar *init1 = "ATS0=1S2=1S11=50S45=1S48=1S50=0S51=252S52=2S53=1S54=3\r";
Xchar *init2 = "ATS55=0S58=2S64=1S66=0S68=255S92=1S95=0S110=255S111=255\r";
X
X	DEBUG(7,"INITIALIZING %s\n",dce_name);
X	ltoggleDTR(0L);
X	sync_Telebit();
X
X	/*
X	 * set to factory default (bless them for this command)
X	 * and a few initial beachhead values
X	 */
X	for(itmp = 0; itmp < maxretry; itmp++)
X	{
X		lwrite("AT&FE0F1M0Q4V1X3\r");
X		if(lread(2) == rOk)
X			break;
X	}
X	if(itmp == maxretry)
X	{
X		DEBUG(1,"INIT FAILED (init0)\n",0);
X		myexit(RC_FAIL | RCE_TIMOUT);
X	}
X
X	/*
X	 * send initialization string 1
X	 */
X	for(itmp = 0; itmp < maxretry; itmp++)
X	{
X		lwrite(init1);
X		if(lread(2) == rOk)
X			break;
X	}
X	if(itmp == maxretry)
X	{
X		DEBUG(1,"INIT FAILED (init1)\n",0);
X		myexit(RC_FAIL | RCE_TIMOUT);
X	}
X
X	/*
X	 * send initialization string 2
X	 */
X	for(itmp = 0; itmp < maxretry; itmp++)
X	{
X		lwrite(init2);
X		if(lread(2) == rOk)
X			break;
X	}
X	if(itmp == maxretry)
X	{
X		DEBUG(1,"INIT FAILED (init2)\n",0);
X		myexit(RC_FAIL | RCE_TIMOUT);
X	}
X
X}	/* end of init_TBPlus */
X
X/*+-------------------------------------------------------------------------
X	DCE_hangup() - issue hangup command to DCE
X
XThis function should do whatever is necessary to ensure
X1) any active connection is terminated
X2) the DCE is ready to receive an incoming call if DTR is asserted
X3) the DCE will not accept an incoming call if DTR is false
X
XThe function should return when done.
X
XAny necessary switch setting or other configuration necessary for this
Xfunction to succeed should be documented at the top of the module.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_hangup()
X{
X#ifdef TRUSTING
X	DEBUG(7,"RESETING %s\n",dce_name);
X	ltoggle_DTR(0L);
X	lwrite("ATZ\r");
X	(void)lread_ignore(1);
X#else /* !TRUSTING */
X	init_TBPlus();
X#endif
X
X}	/* end of DCE_hangup */
X
X/*+-------------------------------------------------------------------------
X	DCE_dial(telno) - dial a remote DCE
X
XThis function should connect to the remote DCE and use any success
Xindication to modify the tty baud rate if necessary before returning.
X
XUpon successful connection, return 0.
X
XUpon unsuccessful connection, return RC_FAIL or'd with an appropriate
XRCE_XXX value from dialer.h.
X
Xlwrite() is used to write to the DCE.
X
Xlread() and lread_ignore() are used to read from the DCE.  Read timeouts
Xfrom calling lread() will result automatically in the proper error
Xtermination of the program.  Read timeouts from calling lread_ignore()
Xreturn -1; you handle the execption here.
X
XAny necessary coding of phone numbers, switch settings or other
Xconfiguration necessary for this function to succeed should be
Xdocumented at the top of the module.
X
XTelebit Plus-specific comments:
X S0=0        dont allow connect while dialing
X S54=3       pass BREAK signal to remote modem
X S64=0       abort dialing if characters sent by DTE
X S66=1       lock the interface speed
X S110=0      disable data compression unless requested otherwise
X--------------------------------------------------------------------------*/
Xint
XDCE_dial(telno)
Xchar *telno;
X{
Xchar cmd[128];
Xchar phone[50];
Xint s50_set = 0;
Xint s111_set = 0;
Xint timeout;
Xint result;
Xint rrings = 0;
Xlong then;
Xlong now;
Xchar *cptr;
Xchar *dialout_default = "ATS0=0S7=40S54=3S64=0S66=1S110=0\r";
X#define MDVALID	 "0123456789CcEeFfKkMmNnPpRrSsUuWwXx*#,!/()-"
X
X/* preliminary setup */
X	translate("=,-,",telno);
X	if(strspn(telno,MDVALID) != strlen(telno))
X	{
X		DEBUG(1,"phone number has invalid characters\n",0);
X		return(RC_FAIL | RCE_PHNO);
X	}
X	if(decode_phone_number(telno,phone,sizeof(phone)))
X	{
X		DEBUG(1,"phone number too long\n",0);
X		return(RC_FAIL | RCE_PHNO);
X	}
X
X/* walk through dialer codes, doing custom setup */
X	strcpy(cmd,"AT");
X	cptr = cmd + strlen(cmd);
X	if(dialer_codes['C' - 'A'])
X	{
X		DEBUG(5,"COMPRESSION requested\n",0);
X		strcat(cmd,"S110=1");
X	}
X	if(dialer_codes['E' - 'A'])
X	{
X		DEBUG(5,"ECHO SUPPRESSION requested\n",0);
X		strcat(cmd,"S121=1");
X	}
X	if(dialer_codes['F' - 'A'])
X	{
X		DEBUG(5,"XON/XOFF FLOW CONTROL requested\n",0);
X		strcat(cmd,"S58=3");
X	}
X	if(dialer_codes['K' - 'A'])
X	{
X		DEBUG(5,"KERMIT requested\n",0);
X		strcat(cmd,"S111=10");
X		s111_set++;
X	}
X	if(dialer_codes['X' - 'A'])
X	{
X		DEBUG(5,"XMODEM requested\n",0);
X		strcat(cmd,"S111=20");
X		s111_set++;
X	}
X	if(dialer_codes['U' - 'A'])
X	{
X		DEBUG(5,"UUCP requested\n",0);
X		strcat(cmd,"S111=30");
X		s111_set++;
X	}
X	if(dialer_codes['M' - 'A'])
X	{
X		DEBUG(5,"MNP requested\n",0);
X		strcat(cmd,"S95=1");
X	}
X
X	if((dialer_codes['P' - 'A']) || s111_set || (hiCBAUD >= B9600))
X	{
X		if(hiCBAUD < B9600)
X		{
X			DEBUG(1,"baud rate not high enough for PEP\n",0);
X			return(RC_FAIL | RCE_SPEED);
X		}
X		if(dialer_codes['P' - 'A'])
X			DEBUG(5,"PEP requested\n",0);
X		else
X			DEBUG(5,"PEP inferred: speed >= 9600\n",0);
X
X		dialer_codes['P' - 'A'] = 1;
X		strcat(cmd,"S50=255");
X	}
X
X
X	DEBUG(6,"--> issuing default setup command\n",0);
X	sync_Telebit();
X	lwrite(dialout_default);
X	if(lread(2) != rOk)
X	{
X		DEBUG(1,"default dialout setup failed\n",0);
X		return(RC_FAIL | RCE_NULL);
X	}
X
X/* issue the custom setup command */
X	if(*cptr)
X	{
X		DEBUG(5,"--> issuing custom setup cmd\n",0);
X		strcat(cmd,"\r");
X		sync_Telebit();
X		lwrite(cmd);
X		if(lread(2) != rOk)
X		{
X			DEBUG(1,"custom modem setup failed\n",0);
X			return(RC_FAIL | RCE_NULL);
X		}
X	}
X
X/*
X * calculate a timeout for the connect
X * allow a minimum of 40 seconds, but if PEP, 90
X * also if long distance (North American calculation here)
X * make it 132 (S7 is calculated as timeout * .9)
X */
X	timeout = 40;
X	if((phone[0] == '1') && (phone[0] != '0'))
X		timeout = 132;
X	if((timeout < 90) && dialer_codes['P' - 'A'])
X		timeout = 90;
X	for(cptr = phone; cptr = strchr(cptr,','); cptr++)
X		timeout += 2;	/* add extra time for pause characters */
X	DEBUG(6,"timeout waiting for connect = %d seconds\n",timeout);
X
X/* indicate non-root should not see DTE->DCE traffic */
X	secure = 1;
X
X/*
X * build and issue the actual dialing command
X * if root, let him see number, otherwise just say "remote system"
X */
X	DEBUG(1,"--> dialing %s\n", (uid) ? "remote system" : telno);
X#ifdef WHT
X	if(!strncmp(*gargv,"ECU",3))
X		dialer_codes['S' - 'A'] = 1;
X#endif
X	sprintf(cmd,"ATM%dS7=%dDT%s\r",
X		((dialer_codes['S' - 'A']) && !(dialer_codes['N' - 'A'])) ? 1 : 0,
X		(timeout * 9) / 10,telno);
X
X	/* cmd string can only be 80 characters including "AT" */
X	if(strlen(cmd) > 80)
X	{
X		DEBUG(1,"phone number string too long\n",0);
X		cleanup(RC_FAIL | RCE_PHNO);
X	}
X
X	sync_Telebit();
X	lwrite(cmd);
X
X/* indicate non-root can see DTE->DCE traffic */
X	secure = 0;
X
X/* wait for connect */
XWAIT_FOR_CONNECT:
X	time(&then);
X	result = lread(timeout);
X	if(!(result & rfConnect))
X	{
X		switch(result & rfMASK)
X		{
X		case rNoCarrier:
X			return(RC_FAIL | ((rrings > 2) ? RCE_ANSWER : RCE_NOTONE));
X		case rNoDialTone:
X			return(RC_FAIL | RCE_NOTONE);
X		case rBusy:
X			return(RC_FAIL | RCE_BUSY);
X		case rNoAnswer:
X			return(RC_FAIL | RCE_ANSWER);
X		case rRring:
X			if(rrings++ > 7)
X				return(RC_FAIL | RCE_ANSWER);
X			time(&now);
X			if((timeout -= ((int)(then - now))) > 0)
X				goto WAIT_FOR_CONNECT;
X		case rError:
X		default:
X			return(RC_FAIL | RCE_NULL);
X		}
X	}
X
X	return(0);		/* succeeded */
X
X}	/* end of DCE_dial */
X
X/**********************************************************
X*  You probably do not need to modify the code below here *
X**********************************************************/
X
X/*+-------------------------------------------------------------------------
X	DCE_abort(sig) - dial attempt aborted
X
X sig =  0 if non-signal abort (read timeout, most likely)
X     != 0 if non-SIGALRM signal caught
X
X extern int dialing set  1 if dialing request was active,
X                    else 0 if hangup request was active
X
XThis is a chance for the DCE-specific code to do anything it
Xneeds to cl,ean up after a failure.  Note that if a dialing
Xcall fails, it is the responsibility of the higher-level
Xprogram calling the dialer to call it again with a hangup request, so
Xthis function is usually a no-op.
X--------------------------------------------------------------------------*/
Xvoid
XDCE_abort(sig)
Xint sig;
X{
X	DEBUG(10,"DCE_abort(%d);\n",sig);
X}	/* end of DCE_abort */
X
X/*+-------------------------------------------------------------------------
X	DCE_exit(exitcode) - "last chance for gas" in this incarnation
X
XThe independent portion of the dialer program calls this routine in
Xlieu of exit() in every case except one (see DCE_argv_hook() below).
XNormally, this function just passes it's argument to exit(), but
Xany necessary post-processing can be done.  The function must,
Xhowever, eventually call exit(exitcode);
X--------------------------------------------------------------------------*/
Xvoid
XDCE_exit(exitcode)
Xint exitcode;
X{
X	DEBUG(10,"DCE_exit(%d);\n",exitcode);
X	exit(exitcode);
X}	/* end of DCE_exit */
X
X/*+-------------------------------------------------------------------------
X	DCE_argv_hook(argc,argv,optind,unrecognized_switches)
X
XThis hook gives DCE-specific code a chance to look over the entire
Xcommand line, such as for -z Telebit processing.
X
Xargc andf argv are the same values passed to main(),
X
Xoptind is the value of optind at the end of normal getopt processing.
X
Xunrecognized_switches is the count of switches not handled by main().
XSpecifically, -h and -x are standard switches.
X
XNormally, this function should just return RC_FAIL|RCE_ARGS if there are
Xany unrecognized switches, otherwise zero.  If you keep your nose clean
Xthough, you can do anything you need to do here and exit the program.
X
XNote: only simple switches (with no argument) may be used with this
Xfacility if the functrion is to return,' since main()'s getopt() will
Xstop processing switches if it runs into an unrecognized switch with an
Xargument.
X
XIf the function returns a non-zero value, then the value will be passed
XDIRECTLY to exit() with no further ado.  Thus, a non-zero value must be
Xof the format expected by dialer program callers, with RC_FAIL set as a
Xminimum.
X--------------------------------------------------------------------------*/
Xint
XDCE_argv_hook(argc,argv,optind,unrecognized_switches)
Xint argc;
Xchar **argv;
Xint optind;
Xint unrecognized_switches;
X{
X	if(unrecognized_switches)
X		return(RC_FAIL | RCE_ARGS);
X	return(0);
X}	/* end of DCE_argv_hook */
X
X/* vi: set tabstop=4 shiftwidth=4: */
SHAR_EOF
$TOUCH -am 1226045590 'gendial/dceTBPlus.c' &&
chmod 0644 gendial/dceTBPlus.c ||
echo 'restore of gendial/dceTBPlus.c failed'
Wc_c="`wc -c < 'gendial/dceTBPlus.c'`"
test 17853 -eq "$Wc_c" ||
	echo 'gendial/dceTBPlus.c: original size 17853, current size' "$Wc_c"
true || echo 'restore of gendial/dceT1000.c failed'
echo End of part 26, continue with part 27
exit 0
--------------------------------------------------------------------
Warren Tucker, TuckerWare emory!n4hgf!wht or wht at n4hgf.Mt-Park.GA.US
Hacker Extraordinaire  d' async PADs,  pods,  proteins and protocols

exit 0 # Just in case...
-- 
Kent Landfield                   INTERNET: kent at sparky.IMD.Sterling.COM
Sterling Software, IMD           UUCP:     uunet!sparky!kent
Phone:    (402) 291-8300         FAX:      (402) 291-4362
Please send comp.sources.misc-related mail to kent at uunet.uu.net.



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