- Flatten the vendor heimdal tree.

1 files changed, 0 insertions, 979 deletions

diff --git a/crypto/heimdal/appl/telnet/telnet/sys_bsd.c b/crypto/heimdal/appl/telnet/telnet/sys_bsd.c
deleted file mode 100644
index 5bc2d12..0000000
--- a/crypto/heimdal/appl/telnet/telnet/sys_bsd.c
+++ /dev/null
@@ -1,979 +0,0 @@
-/*
- * Copyright (c) 1988, 1990, 1993
- *	The Regents of the University of California.  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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- */
-
-#include "telnet_locl.h"
-
-RCSID("$Id: sys_bsd.c 10941 2002-04-18 16:18:43Z joda $");
-
-/*
- * The following routines try to encapsulate what is system dependent
- * (at least between 4.x and dos) which is used in telnet.c.
- */
-
-int
-	tout,			/* Output file descriptor */
-	tin,			/* Input file descriptor */
-	net;
-
-struct	termios old_tc = { 0 };
-extern struct termios new_tc;
-
-# ifndef	TCSANOW
-#  ifdef TCSETS
-#   define	TCSANOW		TCSETS
-#   define	TCSADRAIN	TCSETSW
-#   define	tcgetattr(f, t) ioctl(f, TCGETS, (char *)t)
-#  else
-#   ifdef TCSETA
-#    define	TCSANOW		TCSETA
-#    define	TCSADRAIN	TCSETAW
-#    define	tcgetattr(f, t) ioctl(f, TCGETA, (char *)t)
-#   else
-#    define	TCSANOW		TIOCSETA
-#    define	TCSADRAIN	TIOCSETAW
-#    define	tcgetattr(f, t) ioctl(f, TIOCGETA, (char *)t)
-#   endif
-#  endif
-#  define	tcsetattr(f, a, t) ioctl(f, a, (char *)t)
-#  define	cfgetospeed(ptr)	((ptr)->c_cflag&CBAUD)
-#  ifdef CIBAUD
-#   define	cfgetispeed(ptr)	(((ptr)->c_cflag&CIBAUD) >> IBSHIFT)
-#  else
-#   define	cfgetispeed(ptr)	cfgetospeed(ptr)
-#  endif
-# endif /* TCSANOW */
-
-static fd_set ibits, obits, xbits;
-
-
-void
-init_sys(void)
-{
-    tout = fileno(stdout);
-    tin = fileno(stdin);
-    FD_ZERO(&ibits);
-    FD_ZERO(&obits);
-    FD_ZERO(&xbits);
-
-    errno = 0;
-}
-
-
-int
-TerminalWrite(char *buf, int n)
-{
-    return write(tout, buf, n);
-}
-
-int
-TerminalRead(unsigned char *buf, int n)
-{
-    return read(tin, buf, n);
-}
-
-/*
- *
- */
-
-int
-TerminalAutoFlush(void)
-{
-#if	defined(LNOFLSH)
-    int flush;
-
-    ioctl(0, TIOCLGET, (char *)&flush);
-    return !(flush&LNOFLSH);	/* if LNOFLSH, no autoflush */
-#else	/* LNOFLSH */
-    return 1;
-#endif	/* LNOFLSH */
-}
-
-/*
- * TerminalSpecialChars()
- *
- * Look at an input character to see if it is a special character
- * and decide what to do.
- *
- * Output:
- *
- *	0	Don't add this character.
- *	1	Do add this character
- */
-
-int
-TerminalSpecialChars(int c)
-{
-    if (c == termIntChar) {
-	intp();
-	return 0;
-    } else if (c == termQuitChar) {
-#ifdef	KLUDGELINEMODE
-	if (kludgelinemode)
-	    sendbrk();
-	else
-#endif
-	    sendabort();
-	return 0;
-    } else if (c == termEofChar) {
-	if (my_want_state_is_will(TELOPT_LINEMODE)) {
-	    sendeof();
-	    return 0;
-	}
-	return 1;
-    } else if (c == termSuspChar) {
-	sendsusp();
-	return(0);
-    } else if (c == termFlushChar) {
-	xmitAO();		/* Transmit Abort Output */
-	return 0;
-    } else if (!MODE_LOCAL_CHARS(globalmode)) {
-	if (c == termKillChar) {
-	    xmitEL();
-	    return 0;
-	} else if (c == termEraseChar) {
-	    xmitEC();		/* Transmit Erase Character */
-	    return 0;
-	}
-    }
-    return 1;
-}
-
-
-/*
- * Flush output to the terminal
- */
-
-void
-TerminalFlushOutput(void)
-{
-#ifdef	TIOCFLUSH
-    ioctl(fileno(stdout), TIOCFLUSH, (char *) 0);
-#else
-    ioctl(fileno(stdout), TCFLSH, (char *) 0);
-#endif
-}
-
-void
-TerminalSaveState(void)
-{
-    tcgetattr(0, &old_tc);
-
-    new_tc = old_tc;
-
-#ifndef	VDISCARD
-    termFlushChar = CONTROL('O');
-#endif
-#ifndef	VWERASE
-    termWerasChar = CONTROL('W');
-#endif
-#ifndef	VREPRINT
-    termRprntChar = CONTROL('R');
-#endif
-#ifndef	VLNEXT
-    termLiteralNextChar = CONTROL('V');
-#endif
-#ifndef	VSTART
-    termStartChar = CONTROL('Q');
-#endif
-#ifndef	VSTOP
-    termStopChar = CONTROL('S');
-#endif
-#ifndef	VSTATUS
-    termAytChar = CONTROL('T');
-#endif
-}
-
-cc_t*
-tcval(int func)
-{
-    switch(func) {
-    case SLC_IP:	return(&termIntChar);
-    case SLC_ABORT:	return(&termQuitChar);
-    case SLC_EOF:	return(&termEofChar);
-    case SLC_EC:	return(&termEraseChar);
-    case SLC_EL:	return(&termKillChar);
-    case SLC_XON:	return(&termStartChar);
-    case SLC_XOFF:	return(&termStopChar);
-    case SLC_FORW1:	return(&termForw1Char);
-    case SLC_FORW2:	return(&termForw2Char);
-# ifdef	VDISCARD
-    case SLC_AO:	return(&termFlushChar);
-# endif
-# ifdef	VSUSP
-    case SLC_SUSP:	return(&termSuspChar);
-# endif
-# ifdef	VWERASE
-    case SLC_EW:	return(&termWerasChar);
-# endif
-# ifdef	VREPRINT
-    case SLC_RP:	return(&termRprntChar);
-# endif
-# ifdef	VLNEXT
-    case SLC_LNEXT:	return(&termLiteralNextChar);
-# endif
-# ifdef	VSTATUS
-    case SLC_AYT:	return(&termAytChar);
-# endif
-
-    case SLC_SYNCH:
-    case SLC_BRK:
-    case SLC_EOR:
-    default:
-	return((cc_t *)0);
-    }
-}
-
-void
-TerminalDefaultChars(void)
-{
-    memmove(new_tc.c_cc, old_tc.c_cc, sizeof(old_tc.c_cc));
-# ifndef	VDISCARD
-    termFlushChar = CONTROL('O');
-# endif
-# ifndef	VWERASE
-    termWerasChar = CONTROL('W');
-# endif
-# ifndef	VREPRINT
-    termRprntChar = CONTROL('R');
-# endif
-# ifndef	VLNEXT
-    termLiteralNextChar = CONTROL('V');
-# endif
-# ifndef	VSTART
-    termStartChar = CONTROL('Q');
-# endif
-# ifndef	VSTOP
-    termStopChar = CONTROL('S');
-# endif
-# ifndef	VSTATUS
-    termAytChar = CONTROL('T');
-# endif
-}
-
-#ifdef notdef
-void
-TerminalRestoreState()
-{
-}
-#endif
-
-/*
- * TerminalNewMode - set up terminal to a specific mode.
- *	MODE_ECHO: do local terminal echo
- *	MODE_FLOW: do local flow control
- *	MODE_TRAPSIG: do local mapping to TELNET IAC sequences
- *	MODE_EDIT: do local line editing
- *
- *	Command mode:
- *		MODE_ECHO|MODE_EDIT|MODE_FLOW|MODE_TRAPSIG
- *		local echo
- *		local editing
- *		local xon/xoff
- *		local signal mapping
- *
- *	Linemode:
- *		local/no editing
- *	Both Linemode and Single Character mode:
- *		local/remote echo
- *		local/no xon/xoff
- *		local/no signal mapping
- */
-
-
-#ifdef	SIGTSTP
-static RETSIGTYPE susp(int);
-#endif	/* SIGTSTP */
-#ifdef	SIGINFO
-static RETSIGTYPE ayt(int);
-#endif
-
-void
-TerminalNewMode(int f)
-{
-    static int prevmode = 0;
-    struct termios tmp_tc;
-    int onoff;
-    int old;
-    cc_t esc;
-
-    globalmode = f&~MODE_FORCE;
-    if (prevmode == f)
-	return;
-
-    /*
-     * Write any outstanding data before switching modes
-     * ttyflush() returns 0 only when there is no more data
-     * left to write out, it returns -1 if it couldn't do
-     * anything at all, otherwise it returns 1 + the number
-     * of characters left to write.
-     */
-    old = ttyflush(SYNCHing|flushout);
-    if (old < 0 || old > 1) {
-	tcgetattr(tin, &tmp_tc);
-	do {
-	    /*
-	     * Wait for data to drain, then flush again.
-	     */
-	    tcsetattr(tin, TCSADRAIN, &tmp_tc);
-	    old = ttyflush(SYNCHing|flushout);
-	} while (old < 0 || old > 1);
-    }
-
-    old = prevmode;
-    prevmode = f&~MODE_FORCE;
-    tmp_tc = new_tc;
-
-    if (f&MODE_ECHO) {
-	tmp_tc.c_lflag |= ECHO;
-	tmp_tc.c_oflag |= ONLCR;
-	if (crlf)
-		tmp_tc.c_iflag |= ICRNL;
-    } else {
-	tmp_tc.c_lflag &= ~ECHO;
-	tmp_tc.c_oflag &= ~ONLCR;
-# ifdef notdef
-	if (crlf)
-		tmp_tc.c_iflag &= ~ICRNL;
-# endif
-    }
-
-    if ((f&MODE_FLOW) == 0) {
-	tmp_tc.c_iflag &= ~(IXOFF|IXON);	/* Leave the IXANY bit alone */
-    } else {
-	if (restartany < 0) {
-		tmp_tc.c_iflag |= IXOFF|IXON;	/* Leave the IXANY bit alone */
-	} else if (restartany > 0) {
-		tmp_tc.c_iflag |= IXOFF|IXON|IXANY;
-	} else {
-		tmp_tc.c_iflag |= IXOFF|IXON;
-		tmp_tc.c_iflag &= ~IXANY;
-	}
-    }
-
-    if ((f&MODE_TRAPSIG) == 0) {
-	tmp_tc.c_lflag &= ~ISIG;
-	localchars = 0;
-    } else {
-	tmp_tc.c_lflag |= ISIG;
-	localchars = 1;
-    }
-
-    if (f&MODE_EDIT) {
-	tmp_tc.c_lflag |= ICANON;
-    } else {
-	tmp_tc.c_lflag &= ~ICANON;
-	tmp_tc.c_iflag &= ~ICRNL;
-	tmp_tc.c_cc[VMIN] = 1;
-	tmp_tc.c_cc[VTIME] = 0;
-    }
-
-    if ((f&(MODE_EDIT|MODE_TRAPSIG)) == 0) {
-# ifdef VLNEXT
-	tmp_tc.c_cc[VLNEXT] = (cc_t)(_POSIX_VDISABLE);
-# endif
-    }
-
-    if (f&MODE_SOFT_TAB) {
-# ifdef	OXTABS
-	tmp_tc.c_oflag |= OXTABS;
-# endif
-# ifdef	TABDLY
-	tmp_tc.c_oflag &= ~TABDLY;
-	tmp_tc.c_oflag |= TAB3;
-# endif
-    } else {
-# ifdef	OXTABS
-	tmp_tc.c_oflag &= ~OXTABS;
-# endif
-# ifdef	TABDLY
-	tmp_tc.c_oflag &= ~TABDLY;
-# endif
-    }
-
-    if (f&MODE_LIT_ECHO) {
-# ifdef	ECHOCTL
-	tmp_tc.c_lflag &= ~ECHOCTL;
-# endif
-    } else {
-# ifdef	ECHOCTL
-	tmp_tc.c_lflag |= ECHOCTL;
-# endif
-    }
-
-    if (f == -1) {
-	onoff = 0;
-    } else {
-	if (f & MODE_INBIN)
-		tmp_tc.c_iflag &= ~ISTRIP;
-	else
-		tmp_tc.c_iflag |= ISTRIP;
-	if ((f & MODE_OUTBIN) || (f & MODE_OUT8)) {
-		tmp_tc.c_cflag &= ~(CSIZE|PARENB);
-		tmp_tc.c_cflag |= CS8;
-		if(f & MODE_OUTBIN)
-		    tmp_tc.c_oflag &= ~OPOST;
-		else
-		    tmp_tc.c_oflag |= OPOST;
-	} else {
-		tmp_tc.c_cflag &= ~(CSIZE|PARENB);
-		tmp_tc.c_cflag |= old_tc.c_cflag & (CSIZE|PARENB);
-		tmp_tc.c_oflag |= OPOST;
-	}
-	onoff = 1;
-    }
-
-    if (f != -1) {
-
-#ifdef	SIGTSTP
-	signal(SIGTSTP, susp);
-#endif	/* SIGTSTP */
-#ifdef	SIGINFO
-	signal(SIGINFO, ayt);
-#endif
-#ifdef NOKERNINFO
-	tmp_tc.c_lflag |= NOKERNINFO;
-#endif
-	/*
-	 * We don't want to process ^Y here.  It's just another
-	 * character that we'll pass on to the back end.  It has
-	 * to process it because it will be processed when the
-	 * user attempts to read it, not when we send it.
-	 */
-# ifdef	VDSUSP
-	tmp_tc.c_cc[VDSUSP] = (cc_t)(_POSIX_VDISABLE);
-# endif
-	/*
-	 * If the VEOL character is already set, then use VEOL2,
-	 * otherwise use VEOL.
-	 */
-	esc = (rlogin != _POSIX_VDISABLE) ? rlogin : escape;
-	if ((tmp_tc.c_cc[VEOL] != esc)
-# ifdef	VEOL2
-	    && (tmp_tc.c_cc[VEOL2] != esc)
-# endif
-	    ) {
-		if (tmp_tc.c_cc[VEOL] == (cc_t)(_POSIX_VDISABLE))
-		    tmp_tc.c_cc[VEOL] = esc;
-# ifdef	VEOL2
-		else if (tmp_tc.c_cc[VEOL2] == (cc_t)(_POSIX_VDISABLE))
-		    tmp_tc.c_cc[VEOL2] = esc;
-# endif
-	}
-    } else {
-        sigset_t sm;
-
-#ifdef	SIGINFO
-	signal(SIGINFO, ayt_status);
-#endif
-#ifdef	SIGTSTP
-	signal(SIGTSTP, SIG_DFL);
-	sigemptyset(&sm);
-	sigaddset(&sm, SIGTSTP);
-	sigprocmask(SIG_UNBLOCK, &sm, NULL);
-#endif	/* SIGTSTP */
-	tmp_tc = old_tc;
-    }
-    if (tcsetattr(tin, TCSADRAIN, &tmp_tc) < 0)
-	tcsetattr(tin, TCSANOW, &tmp_tc);
-
-    ioctl(tin, FIONBIO, (char *)&onoff);
-    ioctl(tout, FIONBIO, (char *)&onoff);
-
-}
-
-/*
- * Try to guess whether speeds are "encoded" (4.2BSD) or just numeric (4.4BSD).
- */
-#if B4800 != 4800
-#define	DECODE_BAUD
-#endif
-
-#ifdef	DECODE_BAUD
-#ifndef	B7200
-#define B7200   B4800
-#endif
-
-#ifndef	B14400
-#define B14400  B9600
-#endif
-
-#ifndef	B19200
-# define B19200 B14400
-#endif
-
-#ifndef	B28800
-#define B28800  B19200
-#endif
-
-#ifndef	B38400
-# define B38400 B28800
-#endif
-
-#ifndef B57600
-#define B57600  B38400
-#endif
-
-#ifndef B76800
-#define B76800  B57600
-#endif
-
-#ifndef B115200
-#define B115200 B76800
-#endif
-
-#ifndef B230400
-#define B230400 B115200
-#endif
-
-
-/*
- * This code assumes that the values B0, B50, B75...
- * are in ascending order.  They do not have to be
- * contiguous.
- */
-struct termspeeds {
-	long speed;
-	long value;
-} termspeeds[] = {
-	{ 0,      B0 },      { 50,    B50 },    { 75,     B75 },
-	{ 110,    B110 },    { 134,   B134 },   { 150,    B150 },
-	{ 200,    B200 },    { 300,   B300 },   { 600,    B600 },
-	{ 1200,   B1200 },   { 1800,  B1800 },  { 2400,   B2400 },
-	{ 4800,   B4800 },   { 7200,  B7200 },  { 9600,   B9600 },
-	{ 14400,  B14400 },  { 19200, B19200 }, { 28800,  B28800 },
-	{ 38400,  B38400 },  { 57600, B57600 }, { 115200, B115200 },
-	{ 230400, B230400 }, { -1,    B230400 }
-};
-#endif	/* DECODE_BAUD */
-
-void
-TerminalSpeeds(long *input_speed, long *output_speed)
-{
-#ifdef	DECODE_BAUD
-    struct termspeeds *tp;
-#endif	/* DECODE_BAUD */
-    long in, out;
-
-    out = cfgetospeed(&old_tc);
-    in = cfgetispeed(&old_tc);
-    if (in == 0)
-	in = out;
-
-#ifdef	DECODE_BAUD
-    tp = termspeeds;
-    while ((tp->speed != -1) && (tp->value < in))
-	tp++;
-    *input_speed = tp->speed;
-
-    tp = termspeeds;
-    while ((tp->speed != -1) && (tp->value < out))
-	tp++;
-    *output_speed = tp->speed;
-#else	/* DECODE_BAUD */
-	*input_speed = in;
-	*output_speed = out;
-#endif	/* DECODE_BAUD */
-}
-
-int
-TerminalWindowSize(long *rows, long *cols)
-{
-    struct winsize ws;
-
-    if (get_window_size (STDIN_FILENO, &ws) == 0) {
-	*rows = ws.ws_row;
-	*cols = ws.ws_col;
-	return 1;
-    } else
-	return 0;
-}
-
-int
-NetClose(int fd)
-{
-    return close(fd);
-}
-
-
-void
-NetNonblockingIO(int fd, int onoff)
-{
-    ioctl(fd, FIONBIO, (char *)&onoff);
-}
-
-
-/*
- * Various signal handling routines.
- */
-
-static RETSIGTYPE deadpeer(int),
-  intr(int), intr2(int), susp(int), sendwin(int);
-#ifdef SIGINFO
-static RETSIGTYPE ayt(int);
-#endif
-  
-
-    /* ARGSUSED */
-static RETSIGTYPE
-deadpeer(int sig)
-{
-	setcommandmode();
-	longjmp(peerdied, -1);
-}
-
-int intr_happened = 0;
-int intr_waiting = 0;
-
-    /* ARGSUSED */
-static RETSIGTYPE
-intr(int sig)
-{
-    if (intr_waiting) {
-	intr_happened = 1;
-	return;
-    }
-    if (localchars) {
-	intp();
-	return;
-    }
-    setcommandmode();
-    longjmp(toplevel, -1);
-}
-
-    /* ARGSUSED */
-static RETSIGTYPE
-intr2(int sig)
-{
-    if (localchars) {
-#ifdef	KLUDGELINEMODE
-	if (kludgelinemode)
-	    sendbrk();
-	else
-#endif
-	    sendabort();
-	return;
-    }
-}
-
-#ifdef	SIGTSTP
-    /* ARGSUSED */
-static RETSIGTYPE
-susp(int sig)
-{
-    if ((rlogin != _POSIX_VDISABLE) && rlogin_susp())
-	return;
-    if (localchars)
-	sendsusp();
-}
-#endif
-
-#ifdef	SIGWINCH
-    /* ARGSUSED */
-static RETSIGTYPE
-sendwin(int sig)
-{
-    if (connected) {
-	sendnaws();
-    }
-}
-#endif
-
-#ifdef	SIGINFO
-    /* ARGSUSED */
-static RETSIGTYPE
-ayt(int sig)
-{
-    if (connected)
-	sendayt();
-    else
-	ayt_status(sig);
-}
-#endif
-
-
-void
-sys_telnet_init(void)
-{
-    signal(SIGINT, intr);
-    signal(SIGQUIT, intr2);
-    signal(SIGPIPE, deadpeer);
-#ifdef	SIGWINCH
-    signal(SIGWINCH, sendwin);
-#endif
-#ifdef	SIGTSTP
-    signal(SIGTSTP, susp);
-#endif
-#ifdef	SIGINFO
-    signal(SIGINFO, ayt);
-#endif
-
-    setconnmode(0);
-
-    NetNonblockingIO(net, 1);
-
-
-#if	defined(SO_OOBINLINE)
-    if (SetSockOpt(net, SOL_SOCKET, SO_OOBINLINE, 1) == -1)
-	perror("setsockopt (SO_OOBINLINE) (ignored)");
-#endif	/* defined(SO_OOBINLINE) */
-}
-
-/*
- * Process rings -
- *
- *	This routine tries to fill up/empty our various rings.
- *
- *	The parameter specifies whether this is a poll operation,
- *	or a block-until-something-happens operation.
- *
- *	The return value is 1 if something happened, 0 if not.
- */
-
-int
-process_rings(int netin,
-	      int netout,
-	      int netex,
-	      int ttyin,
-	      int ttyout,
-	      int poll) /* If 0, then block until something to do */
-{
-    int c;
-		/* One wants to be a bit careful about setting returnValue
-		 * to one, since a one implies we did some useful work,
-		 * and therefore probably won't be called to block next
-		 * time (TN3270 mode only).
-		 */
-    int returnValue = 0;
-    static struct timeval TimeValue = { 0 };
-
-    if (net >= FD_SETSIZE
-	|| tout >= FD_SETSIZE
-	|| tin >= FD_SETSIZE)
-	errx (1, "fd too large");
-
-    if (netout) {
-	FD_SET(net, &obits);
-    }
-    if (ttyout) {
-	FD_SET(tout, &obits);
-    }
-    if (ttyin) {
-	FD_SET(tin, &ibits);
-    }
-    if (netin) {
-	FD_SET(net, &ibits);
-    }
-#if !defined(SO_OOBINLINE)
-    if (netex) {
-	FD_SET(net, &xbits);
-    }
-#endif
-    if ((c = select(FD_SETSIZE, &ibits, &obits, &xbits,
-			(poll == 0)? (struct timeval *)0 : &TimeValue)) < 0) {
-	if (c == -1) {
-		    /*
-		     * we can get EINTR if we are in line mode,
-		     * and the user does an escape (TSTP), or
-		     * some other signal generator.
-		     */
-	    if (errno == EINTR) {
-		return 0;
-	    }
-		    /* I don't like this, does it ever happen? */
-	    printf("sleep(5) from telnet, after select\r\n");
-	    sleep(5);
-	}
-	return 0;
-    }
-
-    /*
-     * Any urgent data?
-     */
-    if (FD_ISSET(net, &xbits)) {
-	FD_CLR(net, &xbits);
-	SYNCHing = 1;
-	ttyflush(1);	/* flush already enqueued data */
-    }
-
-    /*
-     * Something to read from the network...
-     */
-    if (FD_ISSET(net, &ibits)) {
-	int canread;
-
-	FD_CLR(net, &ibits);
-	canread = ring_empty_consecutive(&netiring);
-#if	!defined(SO_OOBINLINE)
-	    /*
-	     * In 4.2 (and some early 4.3) systems, the
-	     * OOB indication and data handling in the kernel
-	     * is such that if two separate TCP Urgent requests
-	     * come in, one byte of TCP data will be overlaid.
-	     * This is fatal for Telnet, but we try to live
-	     * with it.
-	     *
-	     * In addition, in 4.2 (and...), a special protocol
-	     * is needed to pick up the TCP Urgent data in
-	     * the correct sequence.
-	     *
-	     * What we do is:  if we think we are in urgent
-	     * mode, we look to see if we are "at the mark".
-	     * If we are, we do an OOB receive.  If we run
-	     * this twice, we will do the OOB receive twice,
-	     * but the second will fail, since the second
-	     * time we were "at the mark", but there wasn't
-	     * any data there (the kernel doesn't reset
-	     * "at the mark" until we do a normal read).
-	     * Once we've read the OOB data, we go ahead
-	     * and do normal reads.
-	     *
-	     * There is also another problem, which is that
-	     * since the OOB byte we read doesn't put us
-	     * out of OOB state, and since that byte is most
-	     * likely the TELNET DM (data mark), we would
-	     * stay in the TELNET SYNCH (SYNCHing) state.
-	     * So, clocks to the rescue.  If we've "just"
-	     * received a DM, then we test for the
-	     * presence of OOB data when the receive OOB
-	     * fails (and AFTER we did the normal mode read
-	     * to clear "at the mark").
-	     */
-	if (SYNCHing) {
-	    int atmark;
-	    static int bogus_oob = 0, first = 1;
-
-	    ioctl(net, SIOCATMARK, (char *)&atmark);
-	    if (atmark) {
-		c = recv(net, netiring.supply, canread, MSG_OOB);
-		if ((c == -1) && (errno == EINVAL)) {
-		    c = recv(net, netiring.supply, canread, 0);
-		    if (clocks.didnetreceive < clocks.gotDM) {
-			SYNCHing = stilloob();
-		    }
-		} else if (first && c > 0) {
-		    /*
-		     * Bogosity check.  Systems based on 4.2BSD
-		     * do not return an error if you do a second
-		     * recv(MSG_OOB).  So, we do one.  If it
-		     * succeeds and returns exactly the same
-		     * data, then assume that we are running
-		     * on a broken system and set the bogus_oob
-		     * flag.  (If the data was different, then
-		     * we probably got some valid new data, so
-		     * increment the count...)
-		     */
-		    int i;
-		    i = recv(net, netiring.supply + c, canread - c, MSG_OOB);
-		    if (i == c &&
-			 memcmp(netiring.supply, netiring.supply + c, i) == 0) {
-			bogus_oob = 1;
-			first = 0;
-		    } else if (i < 0) {
-			bogus_oob = 0;
-			first = 0;
-		    } else
-			c += i;
-		}
-		if (bogus_oob && c > 0) {
-		    int i;
-		    /*
-		     * Bogosity.  We have to do the read
-		     * to clear the atmark to get out of
-		     * an infinate loop.
-		     */
-		    i = read(net, netiring.supply + c, canread - c);
-		    if (i > 0)
-			c += i;
-		}
-	    } else {
-		c = recv(net, netiring.supply, canread, 0);
-	    }
-	} else {
-	    c = recv(net, netiring.supply, canread, 0);
-	}
-	settimer(didnetreceive);
-#else	/* !defined(SO_OOBINLINE) */
-	c = recv(net, (char *)netiring.supply, canread, 0);
-#endif	/* !defined(SO_OOBINLINE) */
-	if (c < 0 && errno == EWOULDBLOCK) {
-	    c = 0;
-	} else if (c <= 0) {
-	    return -1;
-	}
-	if (netdata) {
-	    Dump('<', netiring.supply, c);
-	}
-	if (c)
-	    ring_supplied(&netiring, c);
-	returnValue = 1;
-    }
-
-    /*
-     * Something to read from the tty...
-     */
-    if (FD_ISSET(tin, &ibits)) {
-	FD_CLR(tin, &ibits);
-	c = TerminalRead(ttyiring.supply, ring_empty_consecutive(&ttyiring));
-	if (c < 0 && errno == EIO)
-	    c = 0;
-	if (c < 0 && errno == EWOULDBLOCK) {
-	    c = 0;
-	} else {
-	    /* EOF detection for line mode!!!! */
-	    if ((c == 0) && MODE_LOCAL_CHARS(globalmode) && isatty(tin)) {
-			/* must be an EOF... */
-		*ttyiring.supply = termEofChar;
-		c = 1;
-	    }
-	    if (c <= 0) {
-		return -1;
-	    }
-	    if (termdata) {
-		Dump('<', ttyiring.supply, c);
-	    }
-	    ring_supplied(&ttyiring, c);
-	}
-	returnValue = 1;		/* did something useful */
-    }
-
-    if (FD_ISSET(net, &obits)) {
-	FD_CLR(net, &obits);
-	returnValue |= netflush();
-    }
-    if (FD_ISSET(tout, &obits)) {
-	FD_CLR(tout, &obits);
-	returnValue |= (ttyflush(SYNCHing|flushout) > 0);
-    }
-
-    return returnValue;
-}