massive reduction of unneeded files

1 files changed, 0 insertions, 839 deletions

diff --git a/nx-X11/lib/dps/csconndi.c b/nx-X11/lib/dps/csconndi.c
deleted file mode 100644
index 64205f8dc..000000000
--- a/nx-X11/lib/dps/csconndi.c
+++ /dev/null
@@ -1,839 +0,0 @@
-/*
- * csconndi.c -- low level connection maker for CSDPS
- * 
- * (c) Copyright 1990-1994 Adobe Systems Incorporated.
- * All rights reserved.
- * 
- * Permission to use, copy, modify, distribute, and sublicense this software
- * and its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notices appear in all copies and that
- * both those copyright notices and this permission notice appear in
- * supporting documentation and that the name of Adobe Systems Incorporated
- * not be used in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.  No trademark license
- * to use the Adobe trademarks is hereby granted.  If the Adobe trademark
- * "Display PostScript"(tm) is used to describe this software, its
- * functionality or for any other purpose, such use shall be limited to a
- * statement that this software works in conjunction with the Display
- * PostScript system.  Proper trademark attribution to reflect Adobe's
- * ownership of the trademark shall be given whenever any such reference to
- * the Display PostScript system is made.
- * 
- * ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR
- * ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
- * ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON- INFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO EVENT SHALL ADOBE BE LIABLE
- * TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE, STRICT LIABILITY OR ANY OTHER ACTION ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  ADOBE WILL NOT
- * PROVIDE ANY TRAINING OR OTHER SUPPORT FOR THE SOFTWARE.
- * 
- * Adobe, PostScript, and Display PostScript are trademarks of Adobe Systems
- * Incorporated which may be registered in certain jurisdictions
- * 
- * Portions Copyright 1989 Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission.  M.I.T. makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- *  
- * Author:  Adobe Systems Incorporated and MIT X Consortium
- */
-/* $XFree86: xc/lib/dps/csconndi.c,v 1.11tsi Exp $ */
-
-#if defined(sun) && !defined(SVR4)
-#define memmove(t,f,c) bcopy(f,t,c)
-#endif
-
-#define NEED_EVENTS
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <X11/Xos.h>
-/* Include this first so that Xasync.h, included from Xlibint.h, can find
-   the definition of NOFILE */
-#include <sys/param.h>
-#include <X11/Xlibint.h>
-#include "Xlibnet.h"		/* New for R5, delete for R4 */
-#include <arpa/inet.h>
-
-#ifndef hpux	/* HP doesn't include Xauth.h :-( */
-#include <X11/Xauth.h>
-#else
-#define FamilyLocal (256)
-#endif
-
-#include <ctype.h>
-#ifdef DNETCONN
-#include <netdnet/dn.h>
-#include <netdnet/dnetdb.h>
-#endif
-
-#include <netdb.h>
-
-#include "DPSCAPproto.h"
-#include "cslibint.h"
-#include "dpsassert.h"
-
-#if defined(hpux) || defined(AIXV3)
-#define SELECT_TYPE int *
-#else
-#define SELECT_TYPE fd_set *
-#endif
-
-#ifndef _XANYSET
-#define _XANYSET N_XANYSET
-#endif /* _XANYSET */
-
-#ifndef X_CONNECTION_RETRIES		/* number retries on ECONNREFUSED */
-#define X_CONNECTION_RETRIES 5
-#endif
-
-#define CONN_PARAMS char *, int , int , int *, int *, char **
-
-#ifdef DNETCONN
-static int MakeDECnetConnection(CONN_PARAMS);
-#endif
-#ifdef UNIXCONN
-static int MakeUNIXSocketConnection(CONN_PARAMS);
-#endif
-#ifdef TCPCONN
-static int MakeTCPConnection(CONN_PARAMS);
-#endif
-#ifdef STREAMSCONN
-extern int _XMakeStreamsConnection(CONN_PARAMS);
-#endif
-
-/* This global controls the size of the output socket buffer.  Zero
-   means to use the system default size. */
-int gNXSndBufSize = 0;
-
-static char *copystring (char *src, int len)
-{
-    char *dst = Xmalloc (len + 1);
-
-    if (dst) {
-	strncpy (dst, src, len);
-	dst[len] = '\0';
-    }
-
-    return dst;
-}
-
-
-/* 
- * Attempts to connect to agent, given name. Returns file descriptor
- * (network socket) or -1 if connection fails.  Names may be of the
- * following format:
- *
- *     [hostname] : [:] agentnumber
- *
- * The second colon indicates a DECnet style name.  No hostname is interpretted
- * as the most efficient local connection to a server on the same machine.  
- * This is usually:
- *
- *     o  shared memory
- *     o  local stream
- *     o  UNIX domain socket
- *     o  TCP to local host
- */
- 
-int 
-DPSCAPConnect(
-    char *display_name,
-    char **fullnamep,			/* RETURN */
-    int *dpynump,			/* RETURN */
-    int *familyp,			/* RETURN */
-    int *saddrlenp,			/* RETURN */
-    char **saddrp)			/* RETURN, freed by caller */
-{
-    char *lastp, *p;			/* char pointers */
-    char *phostname = NULL;		/* start of host of display */
-    char *pdpynum = NULL;		/* start of dpynum of display */
-    char *pscrnum = NULL;		/* start of screen of display */
-    Bool dnet = False;			/* if true, then DECnet format */
-    int iagent;				/* required display number */
-    int (*connfunc)(CONN_PARAMS);	/* method to create connection */
-    int fd = -1;			/* file descriptor to return */
-    int len;				/* length tmp variable */
-
-    p = display_name;
-
-    *saddrlenp = 0;			/* set so that we can clear later */
-    *saddrp = NULL;
-
-    /*
-     * Step 1, find the hostname.  This is delimited by the required 
-     * first colon.
-     */
-    for (lastp = p; *p && *p != ':'; p++) ;
-    if (!*p) return -1;		/* must have a colon */
-
-    if (p != lastp) {		/* no hostname given */
-	phostname = copystring (lastp, p - lastp);
-	if (!phostname) goto bad;	/* no memory */
-    }
-
-
-    /*
-     * Step 2, see if this is a DECnet address by looking for the optional
-     * second colon.
-     */
-    if (p[1] == ':') {			/* then DECnet format */
-	dnet = True;
-	p++;
-    }
-
-    /*
-     * see if we're allowed to have a DECnet address
-     */
-#ifndef DNETCONN
-    if (dnet) goto bad;
-#endif
-
-    
-    /*
-     * Step 3, find the port number.  This field is required.
-     * Zero is acceptable as a port number, meaning use the default.
-     */
-
-    for (lastp = ++p; *p && isascii(*p) && isdigit(*p); p++) ;
-    if ((p == lastp) ||			/* required field */
-	(*p != '\0' && *p != '.') ||	/* invalid non-digit terminator */
-	!(pdpynum = copystring (lastp, p - lastp)))  /* no memory */
-      goto bad;
-    iagent = atoi (pdpynum);
-
-
-    /*
-     * At this point, we know the following information:
-     *
-     *     phostname                hostname string or NULL
-     *     iagent                   agent port number
-     *     dnet                     DECnet boolean
-     * 
-     * We can now decide which transport to use based on the ConnectionFlags
-     * build parameter the hostname string.  If phostname is NULL or equals
-     * the string "local", then choose the best transport.  If phostname
-     * is "unix", then choose BSD UNIX domain sockets (if configured).
-     *
-     * First, choose default transports:  DECnet else (TCP or STREAMS)
-     */
-
-
-#ifdef DNETCONN
-    if (dnet)
-      connfunc = MakeDECnetConnection;
-    else
-#endif
-#ifdef TCPCONN
-      connfunc = MakeTCPConnection;
-#else
-#ifdef STREAMSCONN
-      connfunc = _XMakeStreamsConnection;
-#else
-      connfunc = NULL;
-#endif
-#endif
-
-#ifdef UNIXCONN
-    /*
-     * Now that the defaults have been established, see if we have any 
-     * special names that we have to override:
-     *
-     *     :N         =>     if UNIXCONN then unix-domain-socket
-     *     ::N        =>     if UNIXCONN then unix-domain-socket
-     *     unix:N     =>     if UNIXCONN then unix-domain-socket
-     *
-     * Note that if UNIXCONN isn't defined, then we can use the default
-     * transport connection function set above.
-     */
-    if (!phostname) {
-	connfunc = MakeUNIXSocketConnection;
-    }
-    else if (strcmp (phostname, "unix") == 0) {
-	connfunc = MakeUNIXSocketConnection;
-    }
-#endif
-    if (!connfunc)
-	goto bad;
-
-
-#ifdef UNIXCONN
-#define LOCALCONNECTION (!phostname || connfunc == MakeUNIXSocketConnection)
-#else
-#define LOCALCONNECTION (!phostname)
-#endif
-
-    if (LOCALCONNECTION) {
-	/*
-	 * Get the auth info for local hosts so that it doesn't have to be
-	 * repeated everywhere; the particular values in these fields are
-	 * not part of the protocol.
-	 */
-	char hostnamebuf[256];
-	int len = N_XGetHostname (hostnamebuf, sizeof hostnamebuf);
-
-	*familyp = FamilyLocal;
-	if (len > 0) {
-	    *saddrp = Xmalloc (len + 1);
-	    if (*saddrp) {
-		strcpy (*saddrp, hostnamebuf);
-		*saddrlenp = len;
-	    } else {
-		*saddrlenp = 0;
-	    }
-	}
-    }
-#undef LOCALCONNECTION
-
-#ifndef ultrix
-    /* Ultrix has a nasty bug in getservbyname(); if the name passed to
-       it is not in the services list it seg faults!  *sigh*  So, we
-       don't ever look in the services info for ultrix... */
-    if (iagent == 0) {		/* find service default, if one's defined */
-      struct servent *serventInfo;
-      
-      if ((serventInfo = getservbyname(DPS_NX_SERV_NAME,
-      				       (char *) NULL)) != NULL) {
-	if (strcmp("tcp", serventInfo->s_proto) != 0) {
-	  DPSWarnProc(NULL, "Services database specifies a protocol other than tcp.  Using default port.\n");
-	} else 			/* extract the port number */
-          iagent = ntohs(serventInfo->s_port);
-      }
-    }
-#endif /* ultrix */    
-    /*
-     * Make the connection, also need to get the auth address info for
-     * non-local connections.  Do retries in case server host has hit its
-     * backlog (which, unfortunately, isn't distinguishable from there not
-     * being a server listening at all, which is why we have to not retry
-     * too many times).
-     */
-    if ((fd = (*connfunc) (phostname, iagent, X_CONNECTION_RETRIES,
-			   familyp, saddrlenp, saddrp)) < 0)
-      goto bad;
-
-
-    /*
-     * Set the connection non-blocking since we use select() to block; also
-     * set close-on-exec so that programs that fork() doesn't get confused.
-     */
-#ifdef FIOSNBIO
-    {
-	int arg = 1;
-	ioctl (fd, FIOSNBIO, &arg);
-    }
-#else
-#if defined(O_NONBLOCK)
-    (void) fcntl (fd, F_SETFL, O_NONBLOCK);
-#elif defined(FNDELAY)
-    (void) fcntl (fd, F_SETFL, FNDELAY);
-#else
-    (void) fcntl (fd, F_SETFL, O_NDELAY);
-#endif /* O_NONBLOCK/FNDELAY */
-#endif /* FIOSNBIO */
-
-    (void) fcntl (fd, F_SETFD, 1);
-
-
-    /*
-     * Build the expanded display name:
-     *
-     *     [host] : [:] agent \0
-     */
-    len = ((phostname ? strlen(phostname) : 0) + 1 + (dnet ? 1 : 0) +
-	   strlen(pdpynum) + 1);
-    *fullnamep = (char *) Xmalloc (len);
-    if (!*fullnamep) goto bad;
-
-    sprintf (*fullnamep, "%s%s%d",
-	     (phostname ? phostname : ""), (dnet ? "::" : ":"),
-	     iagent);
-
-    *dpynump = iagent;
-    if (phostname) Xfree (phostname);
-    if (pdpynum) Xfree (pdpynum);
-    if (pscrnum) Xfree (pscrnum);
-    return fd;
-
-
-    /*
-     * error return; make sure everything is cleaned up.
-     */
-  bad:
-    if (fd >= 0) (void) close (fd);
-    if (*saddrp) {
-	Xfree (*saddrp);
-	*saddrp = NULL;
-    }
-    *saddrlenp = 0;
-    if (phostname) Xfree (phostname);
-    if (pdpynum) Xfree (pdpynum);
-    return -1;
-
-}
-
-
-/*****************************************************************************
- *                                                                           *
- *			   Make Connection Routines                          *
- *                                                                           *
- *****************************************************************************/
-
-#ifdef DNETCONN				/* stupid makedepend */
-#define NEED_BSDISH
-#endif
-#ifdef UNIXCONN
-#define NEED_BSDISH
-#endif
-#ifdef TCPCONN
-#define NEED_BSDISH
-#endif
-
-#ifdef NEED_BSDISH			/* makedepend can't handle #if */
-/*
- * 4.2bsd-based systems
- */
-#include <sys/socket.h>
-
-#ifndef hpux
-#ifdef apollo			/* nest if(n)defs because makedepend is broken */
-#ifndef NO_TCP_H
-#include <netinet/tcp.h>
-#endif /* NO_TCP_H */
-#else  /* apollo */
-#include <netinet/tcp.h>
-#endif /* apollo */
-#endif
-#endif /* NEED_BSDISH */
-
-
-#ifdef DNETCONN
-static int MakeDECnetConnection (phostname, iagent, retries,
-				 familyp, saddrlenp, saddrp)
-    char *phostname;
-    int iagent;
-    int retries;
-    int *familyp;			/* RETURN */
-    int *saddrlenp;			/* RETURN */
-    char **saddrp;			/* RETURN */
-{
-    int fd;
-    char objname[20];
-    extern int dnet_conn();
-    struct dn_naddr *dnaddrp, dnaddr;
-    struct nodeent *np;
-
-    if (!phostname) phostname = "0";
-
-    /*
-     * build the target object name.
-     */
-    sprintf (objname, "DPS$EXECUTIVE_%d", iagent);
-
-    /*
-     * Attempt to open the DECnet connection, return -1 if fails; ought to
-     * do some retries here....
-     */
-    if ((fd = dnet_conn (phostname, objname, SOCK_STREAM, 0, 0, 0, 0)) < 0) {
-	return -1;
-    }
-
-    *familyp = FamilyDECnet;
-    if (dnaddrp = dnet_addr (phostname)) {  /* stolen from xhost */
-	dnaddr = *dnaddrp;
-    } else {
-	if ((np = getnodebyname (phostname)) == NULL) {
-	    (void) close (fd);
-	    return -1;
-	}
-	dnaddr.a_len = np->n_length;
-	memmove(dnaddr.a_addr, np->n_addr, np->n_length);
-    }
-
-    *saddrlenp = sizeof (struct dn_naddr);
-    *saddrp = Xmalloc (*saddrlenp);
-    if (!*saddrp) {
-	(void) close (fd);
-	return -1;
-    }
-    memmove (*saddrp, (char *)&dnaddr, *saddrlenp);
-    return fd;
-}
-#endif /* DNETCONN */
-
-
-#ifdef UNIXCONN
-
-#ifndef X_NO_SYS_UN
-#include <sys/un.h>
-#endif
-
-#ifndef CSDPS_UNIX_PATH
-#ifdef hpux
-#define CSDPS_UNIX_DIR      "/usr/spool/sockets/DPSNX"
-#define CSDPS_UNIX_PATH     "/usr/spool/sockets/DPSNX/"
-#else
-#define CSDPS_UNIX_DIR      "/tmp/.DPSNX-unix"
-#define CSDPS_UNIX_PATH     "/tmp/.DPSNX-unix/AGENT"
-#endif
-#endif
-
-static int MakeUNIXSocketConnection (
-    char *phostname,
-    int iagent,
-    int retries,
-    int *familyp,			/* RETURN */
-    int *saddrlenp,			/* RETURN */
-    char **saddrp)			/* RETURN */
-{
-    struct sockaddr_un unaddr;		/* UNIX socket data block */
-    struct sockaddr *addr;		/* generic socket pointer */
-    int addrlen;			/* length of addr */
-    int fd;				/* socket file descriptor */
-    int port = (iagent == 0) ? CSDPSPORT : iagent;
-
-    unaddr.sun_family = AF_UNIX;
-    sprintf (unaddr.sun_path, "%s_%d", CSDPS_UNIX_PATH, port);
-
-    addr = (struct sockaddr *) &unaddr;
-    addrlen = strlen(unaddr.sun_path) + sizeof(unaddr.sun_family);
-
-    /*
-     * Open the network connection.
-     */
-    do {
-	if ((fd = socket ((int) addr->sa_family, SOCK_STREAM, 0)) < 0) {
-	    return -1;
-	}
-
-        if (gNXSndBufSize > 0)
-	    setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (char *) &gNXSndBufSize, sizeof(gNXSndBufSize));
-
-	if (connect (fd, addr, addrlen) < 0) {
-	    int olderrno = errno;
-	    (void) close (fd);
-	    if (olderrno != ENOENT || retries <= 0) {
-		errno = olderrno;
-		return -1;
-	    }
-	    sleep (1);
-	} else {
-	    break;
-	}
-    } while (retries-- > 0);
-
-    /*
-     * Don't need to get auth info since we're local
-     */
-    return fd;
-}
-#endif /* UNIXCONN */
-
-
-#ifdef TCPCONN
-static int MakeTCPConnection (
-    char *phostname,
-    int iagent,
-    int retries,
-    int *familyp,			/* RETURN */
-    int *saddrlenp,			/* RETURN */
-    char **saddrp)			/* RETURN */
-{
-    char hostnamebuf[256];		/* tmp space */
-    unsigned long hostinetaddr;		/* result of inet_addr of arpa addr */
-    struct sockaddr_in inaddr;		/* IP socket */
-    struct sockaddr *addr;		/* generic socket pointer */
-    int addrlen;			/* length of addr */
-    struct hostent *hp;			/* entry in hosts table */
-    char *cp;				/* character pointer iterator */
-    int fd;				/* file descriptor to return */
-    int len;				/* length tmp variable */
-
-#define INVALID_INETADDR ((unsigned long) -1)
-
-    if (!phostname) {
-	hostnamebuf[0] = '\0';
-	(void) N_XGetHostname (hostnamebuf, sizeof hostnamebuf);
-	phostname = hostnamebuf;
-    }
-
-    /*
-     * if numeric host name then try to parse it as such; do the number
-     * first because some systems return garbage instead of INVALID_INETADDR
-     */
-    if (isascii(phostname[0]) && isdigit(phostname[0])) {
-	hostinetaddr = inet_addr (phostname);
-    } else {
-	hostinetaddr = INVALID_INETADDR;
-    }
-
-    /*
-     * try numeric
-     */
-    if (hostinetaddr == INVALID_INETADDR) {
-	if ((hp = gethostbyname(phostname)) == NULL) {
-	    /* No such host! */
-	    return -1;
-	}
-	if (hp->h_addrtype != AF_INET) {  /* is IP host? */
-	    /* Not an Internet host! */
-	    return -1;
-	}
- 
-	/* Set up the socket data. */
-	inaddr.sin_family = hp->h_addrtype;
-#if defined(CRAY) && defined(OLDTCP)
-	/* Only Cray UNICOS3 and UNICOS4 will define this */
-	{
-	    long t;
-	    memmove ((char *)&t, (char *)hp->h_addr, sizeof(t));
-	    inaddr.sin_addr = t;
-	}
-#else
-	memmove ((char *)&inaddr.sin_addr, (char *)hp->h_addr, 
-	       sizeof(inaddr.sin_addr));
-#endif /* CRAY and OLDTCP */
-    } else {
-#if defined(CRAY) && defined(OLDTCP)
-	/* Only Cray UNICOS3 and UNICOS4 will define this */
-	inaddr.sin_addr = hostinetaddr;
-#else
-	inaddr.sin_addr.s_addr = hostinetaddr;
-#endif /* CRAY and OLDTCP */
-	inaddr.sin_family = AF_INET;
-    }
-
-    addr = (struct sockaddr *) &inaddr;
-    addrlen = sizeof (struct sockaddr_in);
-    inaddr.sin_port = (iagent == 0) ? CSDPSPORT : iagent;
-    inaddr.sin_port = htons (inaddr.sin_port);	/* may be funky macro */
-
-
-    /*
-     * Open the network connection.
-     */
-    do {
-	if ((fd = socket ((int) addr->sa_family, SOCK_STREAM, 0)) < 0) {
-	    return -1;
-	}
-
-	/*
-	 * turn off TCP coalescence
-	 */
-#ifdef TCP_NODELAY
-	{
-	    int tmp = 1;
-	    setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (char *)&tmp, sizeof (int));
-	}
-#endif
-        if (gNXSndBufSize > 0)
-	    len = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (char *) &gNXSndBufSize, sizeof(gNXSndBufSize));
-
-	/*
-	 * connect to the socket; if there is no X server or if the backlog has
-	 * been reached, then ECONNREFUSED will be returned.
-	 */
-	if (connect (fd, addr, addrlen) < 0) {
-	    int olderrno = errno;
-	    (void) close (fd);
-	    if (olderrno != ECONNREFUSED || retries <= 0) {
-		errno = olderrno;
-		return -1;
-	    }
-	    sleep (1);
-	} else {
-	    break;
-	}
-    } while (retries-- > 0);
-
-
-    /*
-     * Success!  So, save the auth information
-     */
-#ifdef CRAY
-#ifdef OLDTCP
-    len = sizeof(inaddr.sin_addr);
-#else
-    len = SIZEOF_in_addr;
-#endif /* OLDTCP */
-    cp = (char *) &inaddr.sin_addr;
-#else /* else not CRAY */
-    len = sizeof(inaddr.sin_addr.s_addr);
-    cp = (char *) &inaddr.sin_addr.s_addr;
-#endif /* CRAY */
-
-    /*
-     * We are special casing the BSD hack localhost address
-     * 127.0.0.1, since this address shouldn't be copied to
-     * other machines.  So, we simply omit generating the auth info
-     * since we set it to the local machine before calling this routine!
-     */
-    if (!((len == 4) && (cp[0] == 127) && (cp[1] == 0) &&
-	  (cp[2] == 0) && (cp[3] == 1))) {
-	*saddrp = Xmalloc (len);
-	if (*saddrp) {
-	    *saddrlenp = len;
-	    memmove (*saddrp, cp, len);
-	    *familyp = FamilyInternet;
-	} else {
-	    *saddrlenp = 0;
-	}
-    }
-
-    return fd;
-}
-#undef INVALID_INETADDR
-#endif /* TCPCONN */
-
-
-/*****************************************************************************
- *                                                                           *
- *			  Connection Utility Routines                        *
- *                                                                           *
- *****************************************************************************/
-
-/* 
- * Disconnect from server.
- */
-
-int N_XDisconnectDisplay (int server)
-{
-    (void) close(server);
-    return 0;
-}
-
-
-#include <stddef.h>
-/*
- * This is an OS dependent routine which:
- * 1) returns as soon as the connection can be written on....
- * 2) if the connection can be read, must enqueue events and handle errors,
- * until the connection is writable.
- */
-void N_XWaitForWritable(Display *dpy)
-{
-    unsigned long r_mask[MSKCNT];
-    unsigned long w_mask[MSKCNT];
-    int nfound;
-
-    CLEARBITS(r_mask);
-    CLEARBITS(w_mask);
-
-    while (1) {
-	BITSET(r_mask, dpy->fd);
-        BITSET(w_mask, dpy->fd);
-
-	do {
-	    nfound = select (dpy->fd + 1, (SELECT_TYPE) r_mask,
-			     (SELECT_TYPE) w_mask, (SELECT_TYPE) NULL,
-			     (struct timeval *) NULL);
-	    if (nfound < 0 && errno != EINTR)
-		_XIOError(dpy);
-	} while (nfound <= 0);
-
-	if (_XANYSET(r_mask)) {
-	    char buf[BUFSIZE];
-	    long pend_not_register;
-	    register long pend;
-	    register xEvent *ev;
-
-	    /* find out how much data can be read */
-	    if (BytesReadable(dpy->fd, (char *) &pend_not_register) < 0)
-		_XIOError(dpy);
-	    pend = pend_not_register;
-
-	    /* must read at least one xEvent; if none is pending, then
-	       we'll just block waiting for it */
-	    if (pend < SIZEOF(xEvent)) pend = SIZEOF(xEvent);
-		
-	    /* but we won't read more than the max buffer size */
-	    if (pend > BUFSIZE) pend = BUFSIZE;
-
-	    /* round down to an integral number of XReps */
-	    pend = (pend / SIZEOF(xEvent)) * SIZEOF(xEvent);
-
-	    N_XRead (dpy, buf, pend);
-
-	    /* no space between comma and type or else macro will die */
-	    STARTITERATE (ev,xEvent, buf, (pend > 0),
-			  (pend -= SIZEOF(xEvent))) {
-		if (ev->u.u.type == X_Error)
-		    _XError (dpy, (xError *) ev);
-		else		/* it's an event packet; die */
-		    DPSFatalProc((DPSContext)0, "N_XWaitForWritable read bogus X event");
-	    }
-	    ENDITERATE
-	}
-	if (_XANYSET(w_mask))
-	    return;
-    }
-}
-
-
-void N_XWaitForReadable(Display *dpy)
-{
-    unsigned long r_mask[MSKCNT];
-    int result;
-	
-    CLEARBITS(r_mask);
-    do {
-	BITSET(r_mask, dpy->fd);
-	result = select(dpy->fd + 1, (SELECT_TYPE) r_mask, (SELECT_TYPE) NULL,
-			(SELECT_TYPE) NULL, (struct timeval *) NULL);
-	if (result == -1 && errno != EINTR) _XIOError(dpy);
-    } while (result <= 0);
-}
-
-#ifdef XXX
-
-static int padlength[4] = {0, 3, 2, 1};	 /* make sure auth is multiple of 4 */
-
-_XSendClientPrefix (
-     Display *dpy,
-     xConnClientPrefix *client,		/* contains count for auth_* */
-     char *auth_proto,			/* NOT null-terminated */
-     char char *auth_string)		/* NOT null-terminated */
-{
-    int auth_length = client->nbytesAuthProto;
-    int auth_strlen = client->nbytesAuthString;
-    char padbuf[3];			/* for padding to 4x bytes */
-    int pad;
-    struct iovec iovarray[5], *iov = iovarray;
-    int niov = 0;
-
-#define add_to_iov(b,l) \
-	  { iov->iov_base = (b); iov->iov_len = (l); iov++, niov++; }
-
-    add_to_iov ((caddr_t) client, SIZEOF(xConnClientPrefix));
-
-    /*
-     * write authorization protocol name and data
-     */
-    if (auth_length > 0) {
-	add_to_iov (auth_proto, auth_length);
-	pad = padlength [auth_length & 3];
-	if (pad) add_to_iov (padbuf, pad);
-    }
-    if (auth_strlen > 0) {
-	add_to_iov (auth_string, auth_strlen);
-	pad = padlength [auth_strlen & 3];
-	if (pad) add_to_iov (padbuf, pad);
-    }
-
-#undef add_to_iov
-
-    (void) WritevToServer (dpy->fd, iovarray, niov);
-    return;
-}
-
-#endif /* XXX */