DataMuseum.dk

Presents historical artifacts from the history of:

DKUUG/EUUG Conference tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about DKUUG/EUUG Conference tapes

Excavated with: AutoArchaeologist - Free & Open Source Software.


top - metrics - download
Index: T m

⟦c1531af1e⟧ TextFile

    Length: 39041 (0x9881)
    Types: TextFile
    Names: »mhlsbr.c«

Derivation

└─⟦3d0c2be1b⟧ Bits:30001254 ISODE-5.0 Tape
    └─⟦eba4602b1⟧ »./isode-5.0.tar.Z« 
        └─⟦d3ac74d73⟧ 
            └─⟦this⟧ »isode-5.0/others/image/misc/mhlsbr.c« 

TextFile

/* mhlsbr.c - implement the "nifty" message lister */

#include "../h/mh.h"
#include "../h/addrsbr.h"
#include "../h/formatsbr.h"
#include "../zotnet/tws.h"
#include <ctype.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>


/* MAJOR BUG:
   for a component containing addresses, ADDRFMT, if COMPRESS is also
   set, then addresses get split wrong (not at the spaces between commas).
   To fix this correctly, putstr() should know about "atomic" strings that
   must NOT be broken across lines.  That's too difficult for right now
   (it turns out that there are a number of degernate cases), so in
   oneline(), instead of

		     (*onelp == '\n' && !onelp[1])

   being a terminating condition,

	 (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT)))

   is used instead.  This cuts the line prematurely, and gives us a much
   better chance of getting things right.
 */


#define ONECOMP		0
#define TWOCOMP		1
#define	BODYCOMP	2

#define	adios	mhladios
#define	done	mhldone

#define	QUOTE	'\\'

/* \f

 */

static struct swit mhlswitches[] = {
#define	BELLSW	0
    "bell", 0,
#define	NBELLSW	1
    "nobell", 0,

#define	CLRSW	2
    "clear", 0,
#define	NCLRSW	3
    "noclear", 0,

#define	FACESW	4
    "faceproc program", 0,
#define	NFACESW	5
    "nofaceproc", 0,

#define	FOLDSW	6
    "folder +folder", 0,
#define	FORMSW	7
    "form formfile", 0,

#define	PROGSW	8
    "moreproc program", 0,
#define	NPROGSW	9
    "nomoreproc", 0,

#define	LENSW	10
    "length lines", 0,
#define	WIDSW	11
    "width columns", 0,

#define	SLEEPSW	12
    "sleep seconds",  0,

#define	HELPSW	13
    "help", 4,

#define	FORW1SW	14
    "forward", -7,		/* interface from forw */
#define	FORW2SW	15
    "forwall", -7,		/*   .. */
#define	DGSTSW	16
    "digest list", -6,

#define	DASHSW	17
    "dashmunging", -4,
#define	NDASHSW	18
    "nodashmunging", -6,

    NULL, NULL
};

/* \f

 */

struct mcomp {
    char   *c_name;		/* component name			*/
    char   *c_text;		/* component text			*/
    char   *c_ovtxt;		/* text overflow indicator		*/
    char   *c_nfs;		/* iff FORMAT				*/
    struct format *c_fmt;	/*   ..					*/
    char   *c_face;		/* face designator			*/

    int     c_offset;		/* left margin indentation		*/
    int     c_ovoff;		/* overflow indentation			*/
    int     c_width;		/* width of field			*/
    int     c_cwidth;		/* width of component			*/
    int     c_length;		/* length in lines			*/
	
    long   c_flags;
#define NOCOMPONENT	0x000001/* don't show component name            */
#define UPPERCASE       0x000002/* display in all upper case            */
#define CENTER          0x000004/* center line				*/
#define CLEARTEXT       0x000008/* cleartext				*/
#define EXTRA		0x000010/* an "extra" component			*/
#define HDROUTPUT	0x000020/* already output			*/
#define CLEARSCR	0x000040/* clear screen				*/
#define LEFTADJUST	0x000080/* left justify multiple lines		*/
#define COMPRESS	0x000100/* compress text			*/
#define	ADDRFMT		0x000200/* contains addresses			*/
#define	BELL		0x000400/* sound bell at EOP			*/
#define	DATEFMT		0x000800/* contains dates			*/
#define	FORMAT		0x001000/* parse address/date			*/
#define	INIT		0x002000/* initialize component			*/
#define	FACEFMT		0x004000/* contains face			*/
#define	FACEDFLT	0x008000/* default for face			*/
#define	SPLIT		0x010000/* split headers (don't concatenate)	*/
#define	LBITS	"\020\01NOCOMPONENT\02UPPERCASE\03CENTER\04CLEARTEXT\05EXTRA\06HDROUTPUT\07CLEARSCR\010LEFTADJUST\011COMPRESS\012ADDRFMT\013BELL\014DATEFMT\015FORMAT\016INIT\017FACEFMT\020FACEDFLT\021SPLIT"
#define	GFLAGS	(NOCOMPONENT | UPPERCASE | CENTER | LEFTADJUST | COMPRESS \
			| SPLIT)

    struct mcomp *c_next;
};

static struct mcomp *msghd = NULL;
static struct mcomp *msgtl = NULL;
static struct mcomp *fmthd = NULL;
static struct mcomp *fmttl = NULL;

static struct mcomp global = {
    NULL, NULL, "", NULL, NULL, 0, -1, 80, -1, 40, BELL, NULL
};
static struct mcomp  holder =
{
    NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, NOCOMPONENT, NULL
};


static struct pair {
    char   *p_name;
    long    p_flags;
}                   pairs[] = {
			"Date", DATEFMT,
                        "From", ADDRFMT | FACEDFLT,
                        "Sender", ADDRFMT,
                        "Reply-To", ADDRFMT,
                        "To", ADDRFMT,
                        "cc", ADDRFMT,
                        "Bcc", ADDRFMT,
			"Resent-Date", DATEFMT,
                        "Resent-From", ADDRFMT,
                        "Resent-Sender", ADDRFMT,
                        "Resent-Reply-To", ADDRFMT,
                        "Resent-To", ADDRFMT,
                        "Resent-cc", ADDRFMT,
                        "Resent-Bcc", ADDRFMT,
			"Face", FACEFMT,

                        NULL
};

static struct triple {
    char   *t_name;
    long    t_on;
    long    t_off;
}                       triples[] = {
			    "nocomponent", NOCOMPONENT, 0,
                            "uppercase", UPPERCASE, 0,
                            "nouppercase", 0, UPPERCASE,
                            "center", CENTER, 0,
                            "nocenter", 0, CENTER,
                            "clearscreen", CLEARSCR, 0,
                            "noclearscreen", 0, CLEARSCR,
                            "noclear", 0, CLEARSCR,
                            "leftadjust", LEFTADJUST, 0,
                            "noleftadjust", 0, LEFTADJUST,
                            "compress", COMPRESS, 0,
                            "nocompress", 0, COMPRESS,
                            "split", SPLIT, 0,
                            "nosplit", 0, SPLIT,
                            "addrfield", ADDRFMT, DATEFMT,
                            "bell", BELL, 0,
                            "nobell", 0, BELL,
                            "datefield", DATEFMT, ADDRFMT,

                            NULL
};

/* \f

 */

static int  bellflg = 0;
static int  clearflg = 0;
static int  dashflg = 1;
static int  forwflg = 0;
static int  forwall = 0;

static int  sleepsw = NOTOK;

static char *digest = NULL;

static int  exitstat = 0;
static int  mhldebug = 0;

#define	PITTY	(-1)
#define	NOTTY	0
#define	ISTTY	1
static int  ontty = NOTTY;

static int  row;
static int  column;

static int  lm;
static int  llim;
static int  ovoff;
static int  term;
static int  wid;


static char *ovtxt;

static char *onelp;


static char *parptr;
static char *ignores[MAXARGS];


static  jmp_buf env;
static  jmp_buf mhlenv;


static char delim3[] =		/* from forw.c */
    "\n------------------------------------------------------------\n\n";
static char delim4[] = "\n------------------------------\n\n";


static  FP (*mhl_action) () = (FP (*) ()) 0;


void	mhladios (), mhldone ();
int	intrser (), pipeser (), quitser ();
char   *mcomp_add (), *oneline (), *parse ();
struct mcomp *add_queue ();


void	clear_screen ();

/* \f

 */

/* ARGSUSED */

int     mhl (argc, argv)
int     argc;
char   *argv[];
{
    int     length = 0,
	    nomore = 0,
            width = 0,
            vecp = 0,
            i;
    register char   *cp,
		    *folder = NULL,
		    *form = NULL,
		    **ap,
		    **argp;
    char    buf[80],
           *arguments[MAXARGS],
           *files[MAXARGS];

    invo_name = r1bindex (argv[0], '/');
    if ((cp = getenv ("MHLDEBUG")) && *cp)
	mhldebug++;
    if ((cp = m_find (invo_name)) != NULL) {
	ap = brkstring (getcpy (cp), " ", "\n");
	ap = copyip (ap, arguments);
    }
    else
	ap = arguments;
    (void) copyip (argv + 1, ap);
    argp = arguments;

/* \f

 */

    if (cp = getenv ("FACEPROC"))
	faceproc = cp;

    vecp = 0;
    while (cp = *argp++) {
	if (*cp == '-')
	    switch (smatch (++cp, mhlswitches)) {
		case AMBIGSW: 
		    ambigsw (cp, mhlswitches);
		    done (1);
		case UNKWNSW: 
		    adios (NULLCP, "-%s unknown\n", cp);
		case HELPSW: 
		    (void) sprintf (buf, "%s [switches] [files ...]",
			    invo_name);
		    help (buf, mhlswitches);
		    done (1);

		case BELLSW: 
		    bellflg = 1;
		    continue;
		case NBELLSW: 
		    bellflg = -1;
		    continue;

		case CLRSW: 
		    clearflg = 1;
		    continue;
		case NCLRSW: 
		    clearflg = -1;
		    continue;

		case FOLDSW: 
		    if (!(folder = *argp++) || *folder == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    continue;
		case FORMSW: 
		    if (!(form = *argp++) || *form == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    continue;

		case FACESW:
		    if (!(faceproc = *argp++) || *faceproc == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    continue;
		case NFACESW:
		    faceproc = NULL;
		    continue;
		case SLEEPSW:
		    if (!(cp = *argp++) || *cp == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    sleepsw = atoi (cp);/* ZERO ok! */
		    continue;

		case PROGSW:
		    if (!(moreproc = *argp++) || *moreproc == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    continue;
		case NPROGSW:
		    nomore++;
		    continue;

		case LENSW: 
		    if (!(cp = *argp++) || *cp == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    if ((length = atoi (cp)) < 1)
			adios (NULLCP, "bad argument %s %s", argp[-2], cp);
		    continue;
		case WIDSW: 
		    if (!(cp = *argp++) || *cp == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		    if ((width = atoi (cp)) < 1)
			adios (NULLCP, "bad argument %s %s", argp[-2], cp);
		    continue;

		case DGSTSW: 
		    if (!(digest = *argp++) || *digest == '-')
			adios (NULLCP, "missing argument to %s", argp[-2]);
		case FORW2SW: 
		    forwall++;	/* fall */
		case FORW1SW: 
		    forwflg++;
		    clearflg = -1;/* XXX */
		    continue;

		case DASHSW: 
		    dashflg++;
		    continue;
		case NDASHSW: 
		    dashflg = 0;
		    continue;
	    }
	files[vecp++] = cp;
    }

/* \f

 */

    if (!folder)
	folder = getenv ("mhfolder");

    if (isatty (fileno (stdout)))
	if (!nomore && !sc_hardcopy () && moreproc && *moreproc) {
	    if (mhl_action) {
		setsig (SIGINT, SIG_IGN);
		setsig (SIGQUIT, quitser);
	    }
	    m_popen (moreproc);
	    ontty = PITTY;
	}
	else {
	    setsig (SIGINT, SIG_IGN);
	    setsig (SIGQUIT, quitser);
	    ontty = ISTTY;
	}
    else
	ontty = NOTTY;

    mhl_format (form ? form : mhlformat, length, width);

    if (vecp == 0)
	process (folder, NULLCP, 1, vecp = 1);
    else
	for (i = 0; i < vecp; i++)
	    process (folder, files[i], i + 1, vecp);

    if (forwall) {
	if (digest) {
	    printf ("%s", delim4);
	    (void) sprintf (buf, "End of %s Digest\n", digest);
	    i = strlen (buf);
	    for (cp = buf + i; i > 1; i--)
		*cp++ = '*';
	    *cp++ = '\n';
	    *cp = NULL;
	    printf ("%s", buf);
	}
	else
	    printf ("\n------- End of Forwarded Message%s\n\n",
		    vecp > 1 ? "s" : "");
    }

    if (clearflg > 0 && ontty == NOTTY)
	clear_screen ();

    if (ontty == PITTY)
	m_pclose ();

    return exitstat;
}

/* \f

 */

static  mhl_format (file, length, width)
register char   *file;
int     length,
        width;
{
    int     i;
    register char  *bp,
		   *cp,
                  **ip;
    char   *ap,
	    buffer[BUFSIZ],
            name[NAMESZ];
    register struct mcomp   *c1;
    struct stat st;
    register    FILE *fp;
    static  dev_t dev = 0;
    static  ino_t ino = 0;
    static  time_t mtime = 0;

    if (fmthd != NULL)
	if (stat (libpath (file), &st) != NOTOK
		&& mtime == st.st_mtime
		&& dev == st.st_dev
		&& ino == st.st_ino)
	    goto out;
	else
	    free_queue (&fmthd, &fmttl);

    if ((fp = fopen (libpath (file), "r")) == NULL)
	adios (file, "unable to open format file");

    if (fstat (fileno (fp), &st) != NOTOK)
	mtime = st.st_mtime, dev = st.st_dev, ino = st.st_ino;

    global.c_ovtxt = global.c_nfs = NULL;
    global.c_fmt = NULL;
    global.c_offset = 0;
    global.c_ovoff = -1;
    if ((i = sc_width ()) > 5)
	global.c_width = i;
    global.c_cwidth = -1;
    if ((i = sc_length ()) > 5)
	global.c_length = i - 1;
    global.c_flags = BELL;		/* BELL is default */
    *(ip = ignores) = NULL;

    while (vfgets (fp, &ap) == OK) {
	bp = ap;
	if (*bp == ';')
	    continue;

	if (cp = index (bp, '\n'))
	    *cp = NULL;

	if (*bp == ':') {
	    c1 = add_queue (&fmthd, &fmttl, NULLCP, bp + 1, CLEARTEXT);
	    continue;
	}

	parptr = bp;
	(void) strcpy (name, parse ());
	switch (*parptr) {
	    case '\0': 
	    case ',': 
	    case '=': 
		if (uleq (name, "ignores")) {
		    ip = copyip (brkstring (getcpy (++parptr), ",", NULLCP), ip);
		    continue;
		}
		parptr = bp;
		while (*parptr) {
		    if (evalvar (&global))
			adios (NULLCP, "format file syntax error: %s", bp);
		    if (*parptr)
			parptr++;
		}
		continue;

	    case ':': 
		c1 = add_queue (&fmthd, &fmttl, name, NULLCP, INIT);
		while (*parptr == ':' || *parptr == ',') {
		    parptr++;
		    if (evalvar (c1))
			adios (NULLCP, "format file syntax error: %s", bp);
		}
		if (!c1 -> c_nfs && global.c_nfs)
		    if (c1 -> c_flags & DATEFMT) {
			if (global.c_flags & DATEFMT)
			    c1 -> c_nfs = getcpy (global.c_nfs);
		    }
		    else
			if (c1 -> c_flags & ADDRFMT) {
			    if (global.c_flags & ADDRFMT)
				c1 -> c_nfs = getcpy (global.c_nfs);
			}
		continue;

	    default: 
		adios (NULLCP, "format file syntax error: %s", bp);
	}
    }
    (void) fclose (fp);

    if (mhldebug)
	for (c1 = fmthd; c1; c1 = c1 -> c_next) {
	    fprintf (stderr, "c1: name=\"%s\" text=\"%s\" ovtxt=\"%s\"\n",
		    c1 -> c_name, c1 -> c_text, c1 -> c_ovtxt);
	    fprintf (stderr, "\tnfs=0x%x fmt=0x%x\n",
		    c1 -> c_nfs, c1 -> c_fmt);
	    fprintf (stderr, "\toffset=%d ovoff=%d width=%d cwidth=%d length=%d\n",
		    c1 -> c_offset, c1 -> c_ovoff, c1 -> c_width,
		    c1 -> c_cwidth, c1 -> c_length);
	    fprintf (stderr, "\tflags=%s\n",
		    sprintb (buffer, (unsigned) c1 -> c_flags, LBITS));
	}

out: ;
    if (clearflg == 1)
	global.c_flags |= CLEARSCR;
    else
	if (clearflg == -1)
	    global.c_flags &= ~CLEARSCR;

    switch (bellflg) {		/* command line may override format file */
	case 1: 
	    global.c_flags |= BELL;
	    break;
	case -1: 
	    global.c_flags &= ~BELL;
	    break;
    }

    if (length)
	global.c_length = length;
    if (width)
	global.c_width = width;
    if (global.c_length < 5)
	global.c_length = 10000;
    if (global.c_width < 5)
	global.c_width = 10000;
}

/* \f

 */

static  evalvar (c1)
register struct mcomp *c1;
{
    char   *cp,
            name[NAMESZ];
    register struct triple *ap;

    if (!*parptr)
	return 0;
    (void) strcpy (name, parse ());

    if (uleq (name, "component")) {
	if (ptos (name, &c1 -> c_text))
	    return 1;
	c1 -> c_flags &= ~NOCOMPONENT;
	return 0;
    }
    if (uleq (name, "overflowtext"))
	return ptos (name, &c1 -> c_ovtxt);
    if (uleq (name, "formatfield")) {
	if (ptos (name, &cp))
	    return 1;
	c1 -> c_nfs = getcpy (new_fs (NULLCP, NULLCP, cp));
	c1 -> c_flags |= FORMAT;
	return 0;
    }

    if (uleq (name, "offset"))
	return ptoi (name, &c1 -> c_offset);
    if (uleq (name, "overflowoffset"))
	return ptoi (name, &c1 -> c_ovoff);
    if (uleq (name, "width"))
	return ptoi (name, &c1 -> c_width);
    if (uleq (name, "compwidth"))
	return ptoi (name, &c1 -> c_cwidth);
    if (uleq (name, "length"))
	return ptoi (name, &c1 -> c_length);

    for (ap = triples; ap -> t_name; ap++)
	if (uleq (ap -> t_name, name)) {
	    c1 -> c_flags |= ap -> t_on;
	    c1 -> c_flags &= ~ap -> t_off;
	    return 0;
	}

    return 1;
}

/* \f

 */

static int  ptoi (name, i)
register char  *name;
register int   *i;
{
    char   *cp;

    if (*parptr++ != '=' || !*(cp = parse ())) {
	advise (NULLCP, "missing argument to variable %s", name);
	return 1;
    }

    *i = atoi (cp);
    return 0;
}


static int  ptos (name, s)
register char  *name,
	      **s;
{
    char    c,
           *cp;

    if (*parptr++ != '=') {
	advise (NULLCP, "missing argument to variable %s", name);
	return 1;
    }

    if (*parptr != '"')
	for (cp = parptr;
		*parptr && *parptr != ':' && *parptr != ',';
		parptr++)
	    continue;
    else
	for (cp = ++parptr; *parptr && *parptr != '"'; parptr++)
	    if (*parptr == QUOTE)
		if (!*++parptr)
		    parptr--;
    c = *parptr;
    *parptr = NULL;
    *s = getcpy (cp);
    if ((*parptr = c) == '"')
	parptr++;
    return 0;
}

/* \f

 */

static char *parse () {
    int     c;
    register char   *cp;
    static char result[NAMESZ];

    for (cp = result; c = *parptr; parptr++)
	if (isalnum (c)
		|| c == '.'
		|| c == '-'
		|| c == '_'
		|| c =='['
		|| c == ']')
	    *cp++ = c;
	else
	    break;
    *cp = NULL;

    return result;
}

/* \f

 */

static  process (folder, fname, ofilen, ofilec)
char   *folder,
       *fname;
int	ofilen,
	ofilec;
{
    char  *cp;
    FILE  *fp;
    struct mcomp  *c1;

    switch (setjmp (env)) {
	case OK: 
	    if (fname) {
		fp = mhl_action ? (*mhl_action) (fname) : fopen (fname, "r");
		if (fp == NULL) {
		    advise (fname, "unable to open");
		    exitstat++;
		    return;
		}
	    }
	    else {
		fname = "(stdin)";
		fp = stdin;
	    }
	    cp = folder ? concat (folder, ":", fname, NULLCP) : getcpy (fname);
	    if (ontty != PITTY)
		(void) signal (SIGINT, intrser);
	    mhlfile (fp, cp, ofilen, ofilec);/* fall */

	default: 
	    if (ontty != PITTY)
		(void) signal (SIGINT, SIG_IGN);
	    if (mhl_action == NULL && fp != stdin)
		(void) fclose (fp);
	    free (cp);
	    if (holder.c_text) {
		free (holder.c_text);
		holder.c_text = NULL;
	    }
	    free_queue (&msghd, &msgtl);
	    for (c1 = fmthd; c1; c1 = c1 -> c_next)
		c1 -> c_flags &= ~HDROUTPUT;
	    break;
    }
}

/* \f

 */

static mhlfile (fp, mname, ofilen, ofilec)
register FILE   *fp;
register char   *mname;
int	ofilen,
	ofilec;
{
    int     state;
    register struct mcomp  *c1,
                           *c2,
			   *c3;
    register char **ip;
    char    name[NAMESZ],
            buf[BUFSIZ];

    if (forwall) {
	if (digest)
	    printf ("%s", ofilen == 1 ? delim3 : delim4);
	else {
	    printf ("\n-------");
	    if (ofilen == 1)
		printf (" Forwarded Message%s", ofilec > 1 ? "s" : "");
	    else
		printf (" Message %d", ofilen);
	    printf ("\n\n");
	}
    }
    else
	switch (ontty) {
	    case PITTY: 
		if (ofilec > 1) {
		    if (ofilen > 1) {
			if ((global.c_flags & CLEARSCR))
			    clear_screen ();
			else
			    printf ("\n\n\n");
		    }
		    printf (">>> %s\n\n", mname);
		}
		break;

	    case ISTTY: 
		(void) strcpy (buf, "\n");
		if (ofilec > 1) {
		    if (SOprintf ("Press <return> to list \"%s\"...", mname)) {
			if (ofilen > 1)
			    printf ("\n\n\n");
			printf ("Press <return> to list \"%s\"...", mname);
		    }
		    (void) fflush (stdout);
		    buf[0] = NULL;
		    (void) read (fileno (stdout), buf, sizeof buf);
		}
		if (index (buf, '\n')) {
		    if ((global.c_flags & CLEARSCR))
			clear_screen ();
		}
		else
		    printf ("\n");
		break;

	    default: 
		if (ofilec > 1) {
		    if (ofilen > 1) {
			printf ("\n\n\n");
			if (clearflg > 0)
			    clear_screen ();
		    }
		    printf (">>> %s\n\n", mname);
		}
		break;
	}

/* \f

 */

    for (state = FLD;;)
	switch (state = m_getfld (state, name, buf, sizeof buf, fp)) {
	    case FLD: 
	    case FLDPLUS: 
		for (ip = ignores; *ip; ip++)
		    if (uleq (name, *ip)) {
			while (state == FLDPLUS)
			    state = m_getfld (state, name, buf, sizeof buf, fp);
			break;
		    }
		if (*ip)
		    continue;

		for (c2 = fmthd; c2; c2 = c2 -> c_next)
		    if (uleq (c2 -> c_name, name))
			break;
		c1 = NULL;
		if (!((c3 = c2 ? c2 : &global) -> c_flags & SPLIT))
		    for (c1 = msghd; c1; c1 = c1 -> c_next)
			if (uleq (c1 -> c_name, c3 -> c_name)) {
			    c1 -> c_text =
				mcomp_add (c1 -> c_flags, buf, c1 -> c_text);
			    break;
			}
		if (c1 == NULL)
		    c1 = add_queue (&msghd, &msgtl, name, buf, 0);
		while (state == FLDPLUS) {
		    state = m_getfld (state, name, buf, sizeof buf, fp);
		    c1 -> c_text = add (buf, c1 -> c_text);
		}
		if (c2 == NULL)
		    c1 -> c_flags |= EXTRA;
		continue;

	    case BODY: 
	    case FILEEOF: 
		row = column = 0;
		for (c1 = fmthd; c1; c1 = c1 -> c_next) {
		    if (c1 -> c_flags & CLEARTEXT) {
			putcomp (c1, c1, ONECOMP);
			continue;
		    }
		    if (uleq (c1 -> c_name, "messagename")) {
			holder.c_text = concat ("(Message ", mname, ")\n",
					    NULLCP);
			putcomp (c1, &holder, ONECOMP);
			free (holder.c_text);
			holder.c_text = NULL;
			continue;
		    }
		    if (uleq (c1 -> c_name, "extras")) {
			for (c2 = msghd; c2; c2 = c2 -> c_next)
			    if (c2 -> c_flags & EXTRA)
				putcomp (c1, c2, TWOCOMP);
			continue;
		    }
		    if (uleq (c1 -> c_name, "body")) {
			if ((holder.c_text = malloc (sizeof buf)) == NULL)
			    adios (NULLCP, "unable to allocate buffer memory");
			(void) strcpy (holder.c_text, buf);
			while (state == BODY) {
			    putcomp (c1, &holder, BODYCOMP);
			    state = m_getfld (state, name, holder.c_text,
					sizeof buf, fp);
			}
			free (holder.c_text);
			holder.c_text = NULL;
			continue;
		    }
		    for (c2 = msghd; c2; c2 = c2 -> c_next)
			if (uleq (c2 -> c_name, c1 -> c_name)) {
			    putcomp (c1, c2, ONECOMP);
			    if (!(c1 -> c_flags & SPLIT))
				break;
			}
		    if (faceproc && c2 == NULL && (c1 -> c_flags & FACEFMT))
			for (c2 = msghd; c2; c2 = c2 -> c_next)
			    if (c2 -> c_flags & FACEDFLT) {
				if (c2 -> c_face == NULL)
				    face_format (c2);
				if (holder.c_text = c2 -> c_face) {
				    putcomp (c1, &holder, ONECOMP);
				    holder.c_text = NULL;
				}
				break;
			    }
		}
		return;

	    case LENERR: 
	    case FMTERR: 
		advise (NULLCP, "format error in message %s", mname);
		exitstat++;
		return;

	    default: 
		adios (NULLCP, "getfld() returned %d", state);
	}
}

/* \f

 */

static int  mcomp_flags (name)
register char   *name;
{
    register struct pair   *ap;

    for (ap = pairs; ap -> p_name; ap++)
	if (uleq (ap -> p_name, name))
	    return (ap -> p_flags);

    return NULL;
}


static char *mcomp_add (flags, s1, s2)
long	flags;
register char   *s1,
		*s2;
{
    register char   *dp;

    if (!(flags & ADDRFMT))
	return add (s1, s2);

    if (s2 && *(dp = s2 + strlen (s2) - 1) == '\n')
	*dp = NULL;

    return add (s1, add (",\n", s2));
}

/* \f

 */

struct pqpair {
    char    *pq_text;
    char    *pq_error;
    struct pqpair *pq_next;
};


static mcomp_format (c1, c2)
register struct mcomp *c1,
		      *c2;
{
    int     dat[4];
    register char  *ap,
                   *cp;
    char    buffer[BUFSIZ],
            error[BUFSIZ];
    register struct comp   *cptr;
    register struct pqpair *p,
                           *q;
    struct pqpair   pq;
    register struct mailname   *mp;

    ap = c2 -> c_text;
    c2 -> c_text = NULL;
    dat[0] = dat[1] = dat[2] = 0;
    dat[3] = sizeof buffer - 1;
    (void) fmt_compile (c1 -> c_nfs, &c1 -> c_fmt);

    if (c1 -> c_flags & DATEFMT) {
	FINDCOMP (cptr, "text");
	if (cptr)
	    cptr -> c_text = ap;

	(void) fmtscan (c1 -> c_fmt, buffer, sizeof buffer - 1, dat);
	c2 -> c_text = concat (buffer, "\n", NULLCP);

	free (ap);
	return;
    }

    (q = &pq) -> pq_next = NULL;
    while (cp = getname (ap)) {
	if ((p = (struct pqpair *) calloc ((unsigned) 1, sizeof *p)) == NULL)
	    adios (NULLCP, "unable to allocate pqpair memory");

	if ((mp = getm (cp, NULLCP, 0, AD_NAME, error)) == NULL) {
	    p -> pq_text = getcpy (cp);
	    p -> pq_error = getcpy (error);
	}
	else {
	    if ((c1 -> c_flags & FACEDFLT) && c2 -> c_face == NULL) {
		char   *h, *o;
		if ((h = mp -> m_host) == NULL)
		    h = LocalName ();
		if (o = OfficialName (h))
		    h = o;
		c2 -> c_face = concat (h, " ", mp -> m_mbox, NULLCP);
	    }
	    p -> pq_text = getcpy (mp -> m_text);
	    mnfree (mp);
	}
	q = (q -> pq_next = p);
    }

    for (p = pq.pq_next; p; p = q) {
	FINDCOMP (cptr, "text");
	if (cptr)
	    cptr -> c_text = p -> pq_text;
	FINDCOMP (cptr, "error");
	if (cptr)
	    cptr -> c_text = p -> pq_error;

	(void) fmtscan (c1 -> c_fmt, buffer, sizeof buffer - 1, dat);
	if (*buffer) {
	    if (c2 -> c_text)
		c2 -> c_text = add (",\n", c2 -> c_text);
	    if (*(cp = buffer + strlen (buffer) - 1) == '\n')
		*cp = NULL;
	    c2 -> c_text = add (buffer, c2 -> c_text);
	}

	free (p -> pq_text);
	if (p -> pq_error)
	    free (p -> pq_error);
	q = p -> pq_next;
	free ((char *) p);
    }

    c2 -> c_text = add ("\n", c2 -> c_text);
    free (ap);
}

/* \f

 */

static struct mcomp *add_queue (head, tail, name, text, flags)
register struct mcomp **head,
		      **tail;
register char   *name,
		*text;
int     flags;
{
    register struct mcomp  *c1;

    if ((c1 = (struct mcomp *) calloc ((unsigned) 1, sizeof *c1)) == NULL)
	adios (NULLCP, "unable to allocate comp memory");

    c1 -> c_flags = flags & ~INIT;
    if (c1 -> c_name = name ? getcpy (name) : NULL)
	c1 -> c_flags |= mcomp_flags (c1 -> c_name);
    c1 -> c_text = text ? getcpy (text) : NULL;
    if (flags & INIT) {
	if (global.c_ovtxt)
	    c1 -> c_ovtxt = getcpy (global.c_ovtxt);
	c1 -> c_offset = global.c_offset;
	c1 -> c_ovoff = global. c_ovoff;
	c1 -> c_width = c1 -> c_length = 0;
	c1 -> c_cwidth = global.c_cwidth;
	c1 -> c_flags |= global.c_flags & GFLAGS;
    }
    if (*head == NULL)
	*head = c1;
    if (*tail != NULL)
	(*tail) -> c_next = c1;
    *tail = c1;

    return c1;
}


static  free_queue (head, tail)
register struct mcomp **head,
		      **tail;
{
    register struct mcomp *c1,
			  *c2;

    for (c1 = *head; c1; c1 = c2) {
	c2 = c1 -> c_next;
	if (c1 -> c_name)
	    free (c1 -> c_name);
	if (c1 -> c_text)
	    free (c1 -> c_text);
	if (c1 -> c_ovtxt)
	    free (c1 -> c_ovtxt);
	if (c1 -> c_nfs)
	    free (c1 -> c_nfs);
	if (c1 -> c_fmt)
	    free ((char *) c1 -> c_fmt);
	if (c1 -> c_face)
	    free (c1 -> c_face);
	free ((char *) c1);
    }

    *head = *tail = NULL;
}

/* \f

 */

static  putcomp (c1, c2, flag)
register struct mcomp *c1,
		      *c2;
int     flag;
{
    int     count,
            cchdr;
    register char   *cp;

    cchdr = 0;
    lm = 0;
    llim = c1 -> c_length ? c1 -> c_length : -1;
    wid = c1 -> c_width ? c1 -> c_width : global.c_width;
    ovoff = (c1 -> c_ovoff >= 0 ? c1 -> c_ovoff : global.c_ovoff)
	+ c1 -> c_offset;
    if ((ovtxt = c1 -> c_ovtxt ? c1 -> c_ovtxt : global.c_ovtxt) == NULL)
	ovtxt = "";
    if (wid < ovoff + strlen (ovtxt) + 5)
	adios (NULLCP, "component: %s width(%d) too small for overflow(%d)",
		c1 -> c_name, wid, ovoff + strlen (ovtxt) + 5);
    onelp = NULL;

    if (c1 -> c_flags & CLEARTEXT) {
	putstr (c1 -> c_text);
	putstr ("\n");
	return;
    }

    if (c1 -> c_flags & FACEFMT)
	switch (doface (c2)) {
	    case NOTOK:		/* error */
	    case OK:		/* async faceproc */
		return;

	    default:		/* sync faceproc */
		break;
	}

    if (c1 -> c_nfs && (c1 -> c_flags & (ADDRFMT | DATEFMT)))
	mcomp_format (c1, c2);

    if (c1 -> c_flags & CENTER) {
	count = (c1 -> c_width ? c1 -> c_width : global.c_width)
	    - c1 -> c_offset - strlen (c2 -> c_text);
	if (!(c1 -> c_flags & HDROUTPUT) && !(c1 -> c_flags & NOCOMPONENT))
	    count -= strlen (c1 -> c_text ? c1 -> c_text : c1 -> c_name) + 2;
	lm = c1 -> c_offset + (count / 2);
    }
    else
	if (c1 -> c_offset)
	    lm = c1 -> c_offset;

    if (!(c1 -> c_flags & HDROUTPUT) && !(c1 -> c_flags & NOCOMPONENT)) {
        if (c1 -> c_flags & UPPERCASE)		/* uppercase component also */
	    for (cp = (c1 -> c_text ? c1 -> c_text : c1 -> c_name); *cp; cp++)
	        if (islower (*cp))
		    *cp = toupper (*cp);
	putstr (c1 -> c_text ? c1 -> c_text : c1 -> c_name);
	if (flag != BODYCOMP) {
	    putstr (": ");
	    if (!(c1 -> c_flags & SPLIT))
		c1 -> c_flags |= HDROUTPUT;

	cchdr++;
	if ((count = c1 -> c_cwidth -
		strlen (c1 -> c_text ? c1 -> c_text : c1 -> c_name) - 2) > 0)
	    while (count--)
		putstr (" ");
	}
    }

    if (flag == TWOCOMP
	    && !(c2 -> c_flags & HDROUTPUT)
	    && !(c2 -> c_flags & NOCOMPONENT)) {
        if (c1 -> c_flags & UPPERCASE)
	    for (cp = c2 -> c_name; *cp; cp++)
	        if (islower (*cp))
		    *cp = toupper (*cp);
	putstr (c2 -> c_name);
	putstr (": ");
	if (!(c1 -> c_flags & SPLIT))
	    c2 -> c_flags |= HDROUTPUT;

	cchdr++;
	if ((count = c1 -> c_cwidth - strlen (c2 -> c_name) - 2) > 0)
	    while (count--)
		putstr (" ");
    }
    if (c1 -> c_flags & UPPERCASE)
	for (cp = c2 -> c_text; *cp; cp++)
	    if (islower (*cp))
		*cp = toupper (*cp);

    count = 0;
    if (cchdr)
	if (flag == TWOCOMP)
	    count = (c1 -> c_cwidth >= 0) ? c1 -> c_cwidth
			: strlen (c2 -> c_name) + 2;
	else
	    count = (c1 -> c_cwidth >= 0) ? c1 -> c_cwidth
			: strlen (c1->c_text ? c1->c_text : c1->c_name) + 2;
    count += c1 -> c_offset;

    putstr (oneline (c2 -> c_text, c1 -> c_flags));
    if (term == '\n')
	putstr ("\n");
    while (cp = oneline (c2 -> c_text, c1 -> c_flags))
	if (*cp) {
	    lm = count;
	    if (flag == BODYCOMP
		    && !(c1 -> c_flags & HDROUTPUT)
		    && !(c1 -> c_flags & NOCOMPONENT))
		putstr (c1 -> c_text ? c1 -> c_text : c1 -> c_name);
	    putstr (cp);
	    if (term == '\n')
		putstr ("\n");
	}
	else
	    if (term == '\n')
		putstr ("\n");
}

/* \f

 */

static char *oneline (stuff, flags)
register char   *stuff;
long   flags;
{
    int     spc;
    register char   *cp,
		    *ret;

    if (onelp == NULL)
	onelp = stuff;
    if (*onelp == NULL)
	return (onelp = NULL);

    ret = onelp;
    term = 0;
    if (flags & COMPRESS) {
	for (spc = 1, cp = ret; *onelp; onelp++)
	    if (isspace (*onelp)) {
		if (*onelp == '\n' && (!onelp[1] || (flags & ADDRFMT))) {
		    term = '\n';
		    *onelp++ = NULL;
		    break;
		}
		else
		    if (!spc) {
			*cp++ = ' ';
			spc++;
		    }
	    }
	    else {
		*cp++ = *onelp;
		spc = 0;
	    }

	*cp = NULL;
    }
    else {
	while (*onelp && *onelp != '\n')
	    onelp++;
	if (*onelp == '\n') {
	    term = '\n';
	    *onelp++ = NULL;
	}
	if (flags & LEFTADJUST)
	    while (*ret == ' ' || *ret == '\t')
		ret++;
    }

    return ret;
}

/* \f

 */

static  putstr (string)
register char   *string;
{
    if (!column && lm > 0)
	while (lm > 0)
	    if (lm >= 8) {
		putch ('\t');
		lm -= 8;
	    }
	    else {
		putch (' ');
		lm--;
	    }
    lm = 0;
    while (*string)
	putch (*string++);
}

/* \f

 */

static putch (ch)
register char	ch;
{
    char    buf[BUFSIZ];

    if (llim == 0)
	return;

    switch (ch) {
	case '\n': 
	    if (llim > 0)
		llim--;
	    column = 0;
	    row++;
	    if (ontty != ISTTY || row != global.c_length)
		break;
	    if (global.c_flags & BELL)
		(void) putchar ('\007');
	    (void) fflush (stdout);
	    buf[0] = NULL;
	    (void) read (fileno (stdout), buf, sizeof buf);
	    if (index (buf, '\n')) {
		if (global.c_flags & CLEARSCR)
		    clear_screen ();
		row = 0;
	    }
	    else {
		(void) putchar ('\n');
		row = global.c_length / 3;
	    }
	    return;

	case '\t': 
	    column |= 07;
	    column++;
	    break;

	case '\b': 
	    column--;
	    break;

	case '\r': 
	    column = 0;
	    break;

	default: 
	    if (column == 0 && forwflg && dashflg && ch == '-')
		(void) putchar ('-'), putchar (' ');
	    if (ch >= ' ')
		column++;
	    break;
    }

    if (column >= wid) {
	putch ('\n');
	if (ovoff > 0)
	    lm = ovoff;
	putstr (ovtxt ? ovtxt : "");
	putch (ch);
	return;
    }

    (void) putchar (ch);
}

/* \f

 */

/* ARGSUSED */

static	int intrser (i)
int     i;
{
#ifndef	BSD42
    (void) signal (SIGINT, intrser);
#endif	BSD42

    discard (stdout);
    (void) putchar ('\n');

    longjmp (env, DONE);
}


/* ARGSUSED */

static	int pipeser (i)
int     i;
{
#ifndef	BSD42
    (void) signal (SIGPIPE, pipeser);
#endif	BSD42

    done (NOTOK);
}


/* ARGSUSED */

static	int quitser (i)
int     i;
{
#ifndef	BSD42
    (void) signal (SIGQUIT, quitser);
#endif	BSD42

    (void) putchar ('\n');
    (void) fflush (stdout);

    done (NOTOK);
}

/* \f

 */

static	face_format (c1)
register struct mcomp *c1;
{
    register char  *cp;
    register struct mailname   *mp;

    if ((cp = c1 -> c_text) == NULL)
	return;

    if (cp = getname (cp)) {
	if (mp = getm (cp, NULLCP, 0, AD_NAME, NULLCP)) {
	    char *h, *o;
	    if ((h = mp -> m_host) == NULL)
		h = LocalName ();
	    if (o = OfficialName (h))
		h = o;
	    c1 -> c_face = concat (h, " ", mp -> m_mbox, NULLCP);
	}

	while (cp = getname (cp))
	    continue;
    }
}

/* \f

 */

#ifdef	BSD42

/* faceproc is two elements defining the image agent's location:
	Internet host
	UDP port
 */

#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>


long	inet_addr ();


static int  doface (c1)
register struct mcomp *c1;
{
    int	    i,
	    result,
	    sd;
    struct sockaddr_in in_socket;
    register struct sockaddr_in *isock = &in_socket;
    static int inited = OK;
    static int addrlen;
    static struct in_addr addr;
    static u_short portno;

    if (inited == OK) {
	long	iaddr;
	char   *cp;
	char  **ap = brkstring (cp = getcpy (faceproc), " ", "\n");
	struct hostent *hp;

	if (ap[0] == NULL || ap[1] == NULL) {
bad_faceproc: ;
	    free (cp);
	    return (inited = NOTOK);
	}

	if (hp = gethostbyname (ap[0]))
#ifdef	BIND
	    bcopy (&hp -> h_addr, (char *) &addr, addrlen = hp -> h_length);
#else
	    bcopy (hp -> h_addr, (char *) &addr, addrlen = hp -> h_length);
#endif
	else
	    if (iaddr = inet_addr (ap[0]))
		bcopy ((char *) &iaddr, (char *) &addr,
			addrlen = sizeof iaddr);
	    else
		goto bad_faceproc;

	portno = htons ((u_short) atoi (ap[1]));
	free (cp);

	inited = DONE;
    }
    if (inited == NOTOK)
	return NOTOK;

    isock -> sin_family = AF_INET;
    isock -> sin_port = portno;
    bcopy ((char *) &addr, (char *) &isock -> sin_addr, addrlen);

    if ((sd = socket (AF_INET, SOCK_DGRAM, 0)) == NOTOK)
	return NOTOK;

    result = sendto (sd, c1 -> c_text, strlen (c1 -> c_text), 0,
		(struct sockaddr *) isock, sizeof *isock);

    (void) close (sd);

    return (result != NOTOK ? OK : NOTOK);
}

#else

static int  doface (c1)
register struct mcomp *c1;
{
    register int    i,
                    len,
		    vecp;
    int     child_id,
	    result,
            pdi[2],
            pdo[2];
    register char  *bp,
		   *cp;
    char    buffer[BUFSIZ],
	   *vec[10];

    if (pipe (pdi) == NOTOK)
	return NOTOK;
    if (pipe (pdo) == NOTOK) {
	(void) close (pdi[0]);
	(void) close (pdi[1]);
	return NOTOK;
    }

    for (i = 0; (child_id = vfork ()) == NOTOK && i < 5; i++)
	sleep (5);

    switch (child_id) {
	case NOTOK: 
	    return NOTOK;

	case OK: 
	    (void) signal (SIGINT, SIG_IGN);
	    (void) signal (SIGQUIT, SIG_IGN);
	    if (pdi[0] != fileno (stdin)) {
		(void) dup2 (pdi[0], fileno (stdin));
		(void) close (pdi[0]);
	    }
	    (void) close (pdi[1]);
	    (void) close (pdo[0]);
	    if (pdo[1] != fileno (stdout)) {
		(void) dup2 (pdo[1], fileno (stdout));
		(void) close (pdo[1]);
	    }
	    vecp = 0;
	    vec[vecp++] = r1bindex (faceproc, '/');
	    vec[vecp++] = "-e";
	    if (sleepsw != NOTOK) {
		vec[vecp++] = "-s";
		(void) sprintf (buffer, "%d", sleepsw);
		vec[vecp++] = buffer;
	    }
	    vec[vecp] = NULL;
	    execvp (faceproc, vec);
	    fprintf (stderr, "unable to exec ");
	    perror (faceproc);
	    _exit (-1);		/* NOTREACHED */

	default: 
	    (void) close (pdi[0]);
	    i = strlen (c1 -> c_text);
	    if (write (pdi[1], c1 -> c_text, i) != i)
		adios ("pipe", "error writing to");
	    free (c1 -> c_text), c1 -> c_text = NULL;
	    (void) close (pdi[1]);

	    (void) close (pdo[1]);
	    cp = NULL, len = 0;
	    result = DONE;
	    while ((i = read (pdo[0], buffer, strlen (buffer))) > 0) {
		if (cp) {
		    register int    j;
		    register char  *dp;
		    if ((dp = realloc (cp, (unsigned) (j = len + i))) == NULL)
			adios (NULLCP, "unable to allocate face storage");
		    bcopy (buffer, dp + len, i);
		    cp = dp, len = j;
		}
		else {
		    if ((cp = malloc ((unsigned) i)) == NULL)
			adios (NULLCP, "unable to allocate face storage");
		    bcopy (buffer, cp, i);
		    len = i;
		}
		if (result == DONE)
		    for (bp = buffer + i - 1; bp >= buffer; bp--)
			if (!isascii (*bp) || iscntrl (*bp)) {
			    result = OK;
			    break;
			}
	    }
	    (void) close (pdo[0]);

/* no waiting for child... */

	    if (result == OK) {	/* binary */
		if (write (1, cp, len) != len)
		    adios ("writing", "error");
		free (cp);
	    }
	    else		/* empty */
		if ((c1 -> c_text = cp) == NULL)
		    result = OK;
	    break;
    }

    return result;
}
#endif

/* \f

 */

#undef	adios
#undef	done

int     mhlsbr (argc, argv, action)
int     argc;
char  **argv;
FP    (*action) ();
{
    int     (*istat) (), (*pstat) (), (*qstat) ();
    char   *cp;
    struct mcomp  *c1;

    switch (setjmp (mhlenv)) {
	case OK: 
	    cp = invo_name;
	    sleepsw = 0;	/* XXX */
	    bellflg = clearflg = forwflg = forwall = exitstat = 0;
	    digest = NULL;
	    ontty = NOTTY;
	    mhl_action = action;
	    if ((istat = signal (SIGINT, SIG_IGN)) != SIG_DFL)
		(void) signal (SIGINT, istat);
	    if ((qstat = signal (SIGQUIT, SIG_IGN)) != SIG_DFL)
		(void) signal (SIGQUIT, qstat);
	    pstat = signal (SIGPIPE, pipeser);
	    (void) mhl (argc, argv);	/* fall */

	default: 
	    (void) signal (SIGINT, istat);
	    (void) signal (SIGQUIT, qstat);
	    (void) signal (SIGPIPE, SIG_IGN);/* XXX */
	    if (ontty == PITTY)
		m_pclose ();
	    (void) signal (SIGPIPE, pstat);
	    invo_name = cp;
	    if (holder.c_text) {
		free (holder.c_text);
		holder.c_text = NULL;
	    }
	    free_queue (&msghd, &msgtl);
	    for (c1 = fmthd; c1; c1 = c1 -> c_next)
		c1 -> c_flags &= ~HDROUTPUT;
	    return exitstat;
    }
}

/* \f

 */

/* VARARGS2 */

static void mhladios (what, fmt, a, b, c, d, e, f)
char   *what,
       *fmt,
       *a,
       *b,
       *c,
       *d,
       *e,
       *f;
{
    advise (what, fmt, a, b, c, d, e, f);
    mhldone (1);
}


static void mhldone (status)
int     status;
{
    exitstat = status;
    if (mhl_action)
	longjmp (mhlenv, DONE);
    else
	done (exitstat);
}

/* \f

 */

static	int m_pid = NOTOK;
static  int sd = NOTOK;


static	m_popen (name)
char *name;
{
    int     pd[2];

    if (mhl_action && (sd = dup (fileno (stdout))) == NOTOK)
	adios ("standard output", "unable to dup()");

    if (pipe (pd) == NOTOK)
	adios ("pipe", "unable to");

    switch (m_pid = vfork ()) {
	case NOTOK: 
	    adios ("fork", "unable to");

	case OK: 
	    (void) signal (SIGINT, SIG_DFL);
	    (void) signal (SIGQUIT, SIG_DFL);

	    (void) close (pd[1]);
	    if (pd[0] != fileno (stdin)) {
		(void) dup2 (pd[0], fileno (stdin));
		(void) close (pd[0]);
	    }
	    execlp (name, r1bindex (name, '/'), NULLCP);
	    fprintf (stderr, "unable to exec ");
	    perror (name);
	    _exit (-1);

	default: 
	    (void) close (pd[0]);
	    if (pd[1] != fileno (stdout)) {
		(void) dup2 (pd[1], fileno (stdout));
		(void) close (pd[1]);
	    }
    }
}


m_pclose () {
    if (m_pid == NOTOK)
	return;

    if (sd != NOTOK) {
	(void) fflush (stdout);
	if (dup2 (sd, fileno (stdout)) == NOTOK)
	    adios ("standard output", "unable to dup2()");

	clearerr (stdout);
	(void) close (sd);
	sd = NOTOK;
    }
    else
	(void) fclose (stdout);

    (void) pidwait (m_pid, OK);
    m_pid = NOTOK;
}