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945241c3b23073d26939b471a979b05cfc450608
nethack/src/mail.c
nhmall fbd9a7bae8 another update to the soundlib interface 
sound_verbal(char *text, int32_t gender, int32_t tone, int32_t vol,
             int32_t moreinfo);
    -- NetHack will call this function when it wants to pass text of
       spoken language by a character or creature within the game.
    -- text is a transcript of what has been spoken.
    -- gender indicates MALE or FEMALE sounding voice.
    -- tone indicates the tone of the voice.
    -- vol is the volume (1% - 100%) for the sound.
    -- moreinfo is used to provide additional information to the soundlib.
    -- there may be some accessibility uses for this function.

It may be useful for accessibility purposes too.

A preliminary implementation has been attempted for macsound to test
the interface on macOS. No tinkering of the voices has been done.

Use of the test implementation requires the following at build time with make.
    WANT_SPEECH=1
That needs to be included on the make command line to enable the test code,
otherwise just the interface update is compiled in.

I don't know for certain when AVSpeechSynthesizer went into macOS, but older versions
likely don't support it, and would just leave off the WANT_SPEECH=1.

If built with WANT_SPEECH=1, the 'voices' NetHack option needs to be enabled.

It was a bit strange, when I first started up the test, to hear Asidonhopo,
the shopkeeper, talking to me as I entered his shop and interacted with him.
2023-02-07 00:44:36 -05:00

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/* NetHack 3.7 mail.c $NHDT-Date: 1596498174 2020/08/03 23:42:54 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.47 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Pasi Kallinen, 2018. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
#ifdef MAIL
#ifdef SIMPLE_MAIL
# include <fcntl.h>
# include <errno.h>
#endif /* SIMPLE_MAIL */
#endif /* MAIL */
#ifdef MAIL_STRUCTURES
#include "mail.h"
#endif
#ifdef MAIL
/*
* Notify user when new mail has arrived. Idea by Merlyn Leroy.
*
* The mail daemon can move with less than usual restraint. It can:
* - move diagonally from a door
* - use secret and closed doors
* - run through a monster ("Gangway!", etc.)
* - run over pools & traps
*
* Possible extensions:
* - Open the file MAIL and do fstat instead of stat for efficiency.
* (But sh uses stat, so this cannot be too bad.)
* - Examine the mail and produce a scroll of mail named "From somebody".
* - Invoke MAILREADER in such a way that only this single mail is read.
* - Do something to the text when the scroll is enchanted or cancelled.
* - Make the daemon always appear at a stairwell, and have it find a
* path to the hero.
*
* Note by Olaf Seibert: On the Amiga, we usually don't get mail. So we go
* through most of the effects at 'random' moments.
* Note by Paul Winner: The MSDOS port also 'fakes' the mail daemon at
* random intervals.
*/
static boolean md_start(coord *);
static boolean md_stop(coord *, coord *);
static boolean md_rush(struct monst *, int, int);
static void newmail(struct mail_info *);
#if defined(SIMPLE_MAIL) || defined(SERVER_ADMIN_MSG)
static void read_simplemail(const char *mbox, boolean adminmsg);
#endif
#if !defined(UNIX) && !defined(VMS)
int mustgetmail = -1;
#endif
#ifdef UNIX
#include <sys/stat.h>
#include <pwd.h>
/* DON'T trust all Unices to declare getpwuid() in <pwd.h> */
#if !defined(_BULL_SOURCE) && !defined(__sgi) && !defined(_M_UNIX)
#if !defined(SUNOS4) && !(defined(ULTRIX) && defined(__GNUC__))
/* DO trust all SVR4 to typedef uid_t in <sys/types.h> (probably to a long) */
#if defined(POSIX_TYPES) || defined(SVR4) || defined(HPUX)
extern struct passwd *getpwuid(uid_t);
#else
extern struct passwd *getpwuid(int);
#endif
#endif
#endif
static struct stat omstat, nmstat;
static char *mailbox = (char *) 0;
static long laststattime;
#if !defined(MAILPATH) && defined(AMS) /* Just a placeholder for AMS */
#define MAILPATH "/dev/null"
#endif
#if !defined(MAILPATH) && (defined(LINUX) || defined(__osf__))
#define MAILPATH "/var/spool/mail/"
#endif
#if !defined(MAILPATH) && defined(__FreeBSD__)
#define MAILPATH "/var/mail/"
#endif
#if !defined(MAILPATH) && (defined(BSD) || defined(ULTRIX))
#define MAILPATH "/usr/spool/mail/"
#endif
#if !defined(MAILPATH) && (defined(SYSV) || defined(HPUX))
#define MAILPATH "/usr/mail/"
#endif
void
free_maildata(void)
{
if (mailbox)
free((genericptr_t) mailbox), mailbox = (char *) 0;
}
void
getmailstatus(void)
{
if (mailbox) {
; /* no need to repeat the setup */
} else if ((mailbox = nh_getenv("MAIL")) != 0) {
mailbox = dupstr(mailbox);
#ifdef MAILPATH
} else {
#ifdef AMS
struct passwd ppasswd;
(void) memcpy(&ppasswd, getpwuid(getuid()), sizeof (struct passwd));
if (ppasswd.pw_dir) {
/* note: 'sizeof "LITERAL"' includes +1 for terminating '\0' */
mailbox = (char *) alloc((unsigned) (strlen(ppasswd.pw_dir)
+ sizeof AMS_MAILBOX));
Strcpy(mailbox, ppasswd.pw_dir);
Strcat(mailbox, AMS_MAILBOX);
}
#else
const char *pw_name = getpwuid(getuid())->pw_name;
/* note: 'sizeof "LITERAL"' includes +1 for terminating '\0' */
mailbox = (char *) alloc((unsigned) (strlen(pw_name)
+ sizeof MAILPATH));
Strcpy(mailbox, MAILPATH);
Strcat(mailbox, pw_name);
#endif /* AMS */
#endif /* MAILPATH */
}
debugpline3("mailbox=%c%s%c",
mailbox ? '\"' : '<',
mailbox ? mailbox : "null",
mailbox ? '\"' : '>');
if (mailbox && stat(mailbox, &omstat)) {
#ifdef PERMANENT_MAILBOX
pline("Cannot get status of MAIL=\"%s\".", mailbox);
free_maildata(); /* set 'mailbox' to Null */
#else
omstat.st_mtime = 0;
#endif
}
}
#endif /* UNIX */
/*
* Pick coordinates for a starting position for the mail daemon. Called
* from newmail() and newphone().
*/
static boolean
md_start(coord *startp)
{
coord testcc; /* scratch coordinates */
int row; /* current row we are checking */
int lax; /* if TRUE, pick a position in sight. */
int dd; /* distance to current point */
int max_distance; /* max distance found so far */
stairway *stway = gs.stairs;
/*
* If blind and not telepathic, then it doesn't matter what we pick ---
* the hero is not going to see it anyway. So pick a nearby position.
*/
if (Blind && !Blind_telepat) {
if (!enexto(startp, u.ux, u.uy, (struct permonst *) 0))
return FALSE; /* no good positions */
return TRUE;
}
/*
* Arrive at an up or down stairwell if it is in line of sight from the
* hero.
*/
while (stway) {
if (stway->tolev.dnum == u.uz.dnum && couldsee(stway->sx, stway->sy)) {
startp->x = stway->sx;
startp->y = stway->sy;
return TRUE;
}
stway = stway->next;
}
/*
* Try to pick a location out of sight next to the farthest position away
* from the hero. If this fails, try again, just picking the farthest
* position that could be seen. What we really ought to be doing is
* finding a path from a stairwell...
*
* The arrays gv.viz_rmin[] and gv.viz_rmax[] are set even when blind. These
* are the LOS limits for each row.
*/
lax = 0; /* be picky */
max_distance = -1;
retry:
for (row = 0; row < ROWNO; row++) {
if (gv.viz_rmin[row] < gv.viz_rmax[row]) {
/* There are valid positions on this row. */
dd = distu(gv.viz_rmin[row], row);
if (dd > max_distance) {
if (lax) {
max_distance = dd;
startp->y = row;
startp->x = gv.viz_rmin[row];
} else if (enexto(&testcc, (coordxy) gv.viz_rmin[row], row,
(struct permonst *) 0)
&& !cansee(testcc.x, testcc.y)
&& couldsee(testcc.x, testcc.y)) {
max_distance = dd;
*startp = testcc;
}
}
dd = distu(gv.viz_rmax[row], row);
if (dd > max_distance) {
if (lax) {
max_distance = dd;
startp->y = row;
startp->x = gv.viz_rmax[row];
} else if (enexto(&testcc, (coordxy) gv.viz_rmax[row], row,
(struct permonst *) 0)
&& !cansee(testcc.x, testcc.y)
&& couldsee(testcc.x, testcc.y)) {
max_distance = dd;
*startp = testcc;
}
}
}
}
if (max_distance < 0) {
if (!lax) {
lax = 1; /* just find a position */
goto retry;
}
return FALSE;
}
return TRUE;
}
/*
* Try to choose a stopping point as near as possible to the starting
* position while still adjacent to the hero. If all else fails, try
* enexto(). Use enexto() as a last resort because enexto() chooses
* its point randomly, which is not what we want.
*/
static boolean
md_stop(coord *stopp, /* stopping position (we fill it in) */
coord *startp) /* starting position (read only) */
{
coordxy x, y, distance, min_distance = -1;
for (x = u.ux - 1; x <= u.ux + 1; x++)
for (y = u.uy - 1; y <= u.uy + 1; y++) {
if (!isok(x, y) || u_at(x, y))
continue;
if (accessible(x, y) && !MON_AT(x, y)) {
distance = dist2(x, y, startp->x, startp->y);
if (min_distance < 0 || distance < min_distance
|| (distance == min_distance && rn2(2))) {
stopp->x = x;
stopp->y = y;
min_distance = distance;
}
}
}
/* If we didn't find a good spot, try enexto(). */
if (min_distance < 0 && !enexto(stopp, u.ux, u.uy, &mons[PM_MAIL_DAEMON]))
return FALSE;
return TRUE;
}
/* Let the mail daemon have a larger vocabulary. */
static NEARDATA const char *mail_text[] = { "Gangway!", "Look out!",
"Pardon me!" };
#define md_exclamations() (mail_text[rn2(3)])
/*
* Make the mail daemon run through the dungeon. The daemon will run over
* any monsters that are in its path, but will replace them later. Return
* FALSE if the md gets stuck in a position where there is a monster. Return
* TRUE otherwise.
*/
static boolean
md_rush(struct monst *md,
register int tx, register int ty) /* destination of mail daemon */
{
struct monst *mon; /* displaced monster */
register int dx, dy; /* direction counters */
int fx = md->mx, fy = md->my; /* current location */
int nfx = fx, nfy = fy, /* new location */
d1, d2; /* shortest distances */
/*
* It is possible that the monster at (fx,fy) is not the md when:
* the md rushed the hero and failed, and is now starting back.
*/
if (m_at(fx, fy) == md) {
remove_monster(fx, fy); /* pick up from orig position */
newsym(fx, fy);
}
/*
* At the beginning and exit of this loop, md is not placed in the
* dungeon.
*/
while (1) {
/* Find a good location next to (fx,fy) closest to (tx,ty). */
d1 = dist2(fx, fy, tx, ty);
for (dx = -1; dx <= 1; dx++)
for (dy = -1; dy <= 1; dy++)
if ((dx || dy) && isok(fx + dx, fy + dy)
&& !IS_STWALL(levl[fx + dx][fy + dy].typ)) {
d2 = dist2(fx + dx, fy + dy, tx, ty);
if (d2 < d1) {
d1 = d2;
nfx = fx + dx;
nfy = fy + dy;
}
}
/* Break if the md couldn't find a new position. */
if (nfx == fx && nfy == fy)
break;
fx = nfx; /* this is our new position */
fy = nfy;
/* Break if the md reaches its destination. */
if (fx == tx && fy == ty)
break;
SetVoice(md, 0, 80, 0);
if ((mon = m_at(fx, fy)) != 0) /* save monster at this position */
verbalize1(md_exclamations());
else if (u_at(fx, fy))
verbalize("Excuse me.");
if (mon)
remove_monster(fx, fy);
place_monster(md, fx, fy); /* put md down */
newsym(fx, fy); /* see it */
flush_screen(0); /* make sure md shows up */
delay_output(); /* wait a little bit */
/* Remove md from the dungeon. Restore original mon, if necessary. */
remove_monster(fx, fy);
if (mon) {
if ((mon->mx != fx) || (mon->my != fy))
place_worm_seg(mon, fx, fy);
else
place_monster(mon, fx, fy);
}
newsym(fx, fy);
}
/*
* Check for a monster at our stopping position (this is possible, but
* very unlikely). If one exists, then have the md leave in disgust.
*/
if ((mon = m_at(fx, fy)) != 0) {
remove_monster(fx, fy);
place_monster(md, fx, fy); /* display md with text below */
newsym(fx, fy);
SetVoice(md, 0, 80, 0);
verbalize("This place's too crowded. I'm outta here.");
remove_monster(fx, fy);
if ((mon->mx != fx) || (mon->my != fy)) /* put mon back */
place_worm_seg(mon, fx, fy);
else
place_monster(mon, fx, fy);
newsym(fx, fy);
return FALSE;
}
place_monster(md, fx, fy); /* place at final spot */
newsym(fx, fy);
flush_screen(0);
delay_output(); /* wait a little bit */
return TRUE;
}
/* Deliver a scroll of mail. */
/*ARGSUSED*/
static void
newmail(struct mail_info *info)
{
struct monst *md;
coord start, stop;
boolean message_seen = FALSE;
/* Try to find good starting and stopping places. */
if (!md_start(&start) || !md_stop(&stop, &start))
goto give_up;
/* Make the daemon. Have it rush towards the hero. */
if (!(md = makemon(&mons[PM_MAIL_DAEMON], start.x, start.y, NO_MM_FLAGS)))
goto give_up;
if (!md_rush(md, stop.x, stop.y))
goto go_back;
message_seen = TRUE;
SetVoice(md, 0, 80, 0);
verbalize("%s, %s! %s.", Hello(md), gp.plname, info->display_txt);
if (info->message_typ) {
struct obj *obj = mksobj(SCR_MAIL, FALSE, FALSE);
if (info->object_nam)
obj = oname(obj, info->object_nam, ONAME_NO_FLAGS);
if (info->response_cmd)
new_omailcmd(obj, info->response_cmd);
if (!next2u(md->mx, md->my)) {
SetVoice(md, 0, 80, 0);
verbalize("Catch!");
}
display_nhwindow(WIN_MESSAGE, FALSE);
obj = hold_another_object(obj, "Oops!", (const char *) 0,
(const char *) 0);
nhUse(obj);
}
go_back:
/* zip back to starting location */
if (!md_rush(md, start.x, start.y))
md->mx = md->my = 0; /* for mongone, md is not on map */
mongone(md);
give_up:
/* deliver some classes of messages even if no daemon ever shows up */
if (!message_seen && info->message_typ == MSG_OTHER)
pline("Hark! \"%s.\"", info->display_txt);
}
#if !defined(UNIX) && !defined(VMS)
void
ckmailstatus(void)
{
if (u.uswallow || !flags.biff)
return;
if (mustgetmail < 0) {
#if defined(AMIGA) || defined(MSDOS) || defined(TOS)
mustgetmail = (gm.moves < 2000) ? (100 + rn2(2000)) : (2000 + rn2(3000));
#endif
return;
}
if (--mustgetmail <= 0) {
static struct mail_info deliver = {
MSG_MAIL, "I have some mail for you", 0, 0
};
newmail(&deliver);
mustgetmail = -1;
}
}
DISABLE_WARNING_FORMAT_NONLITERAL
enum delivery_types { faulty_delivery, normal_delivery, subst_delivery };
/*ARGSUSED*/
void
readmail(struct obj *otmp UNUSED)
{
int i;
enum delivery_types delivery = normal_delivery;
const char *recipient = 0;
static const char *const junk_templates[] = {
"%sReport bugs to <%s>.%s", /*** must be first entry ***/
"Please disregard previous letter.",
"Welcome to NetHack.",
#ifdef AMIGA
"Only Amiga makes it possible.",
"CATS have all the answers.",
#endif
"This mail complies with the Yendorian Anti-Spam Act (YASA)",
"Please find enclosed a small token to represent your Owlbear",
"**FR33 P0T10N 0F FULL H34L1NG**",
"Please return to sender (Asmodeus)",
/* when enclosed by "It reads: \"...\"", this is too long
for an ordinary 80-column display so wraps to a second line
(suboptimal but works correctly);
dollar sign and fractional zorkmids are inappropriate within
nethack but are suitable for typical dysfunctional spam mail */
"Buy a potion of gain level for only $19.99! Guaranteed to be blessed!",
/* DEVTEAM_URL will be substituted for 2nd "%s"; terminating punctuation
(formerly "!") has deliberately been omitted so that it can't be
mistaken for part of the URL (unfortunately that is still followed
by a closing quote--in the pline below, not the data here) */
"%sInvitation: Visit the NetHack web site at %s%s"
};
const char *const it_reads = "It reads: \"";
i = rn2(SIZE(junk_templates));
if (strchr(junk_templates[i], '%')) {
if (i == 0) {
recipient = DEVTEAM_EMAIL;
delivery = subst_delivery;
} else if (strstri(junk_templates[i], "web site")) {
recipient = DEVTEAM_URL;
delivery = subst_delivery;
} else {
impossible("fake mail #%d has undefined substitution", i);
delivery = faulty_delivery;
}
}
if (Blind) {
pline("Unfortunately you cannot see what it says.");
} else {
if (delivery == subst_delivery)
pline(junk_templates[i], it_reads, recipient, "\"");
else if (delivery == normal_delivery)
pline("%s%s\"", it_reads, junk_templates[i]);
}
}
RESTORE_WARNING_FORMAT_NONLITERAL
#endif /* !UNIX && !VMS */
#ifdef UNIX
void
ckmailstatus(void)
{
ck_server_admin_msg();
if (!mailbox || u.uswallow || !flags.biff
#ifdef MAILCKFREQ
|| gm.moves < laststattime + MAILCKFREQ
#endif
)
return;
laststattime = gm.moves;
if (stat(mailbox, &nmstat)) {
#ifdef PERMANENT_MAILBOX
pline("Cannot get status of MAIL=\"%s\" anymore.", mailbox);
free_maildata();
#else
nmstat.st_mtime = 0;
#endif
} else if (nmstat.st_mtime > omstat.st_mtime) {
if (nmstat.st_size) {
static struct mail_info deliver = {
#ifndef NO_MAILREADER
MSG_MAIL, "I have some mail for you",
#else
/* suppress creation and delivery of scroll of mail */
MSG_OTHER, "You have some mail in the outside world",
#endif
0, 0
};
newmail(&deliver);
}
getmailstatus(); /* might be too late ... */
}
}
#if defined(SIMPLE_MAIL) || defined(SERVER_ADMIN_MSG)
void
read_simplemail(const char *mbox, boolean adminmsg)
{
FILE* mb = fopen(mbox, "r");
char curline[128], *msg;
boolean seen_one_already = FALSE;
#ifdef SIMPLE_MAIL
struct flock fl = { 0 };
#endif
if (!mb)
goto bail;
#ifdef SIMPLE_MAIL
fl.l_type = F_RDLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
errno = 0;
#endif
/* Allow this call to block. */
if (!adminmsg
#ifdef SIMPLE_MAIL
&& fcntl(fileno(mb), F_SETLKW, &fl) == -1
#endif
)
goto bail;
while (fgets(curline, 128, mb) != NULL) {
const char *endpunct;
int msglen;
if (!adminmsg) {
#ifdef SIMPLE_MAIL
fl.l_type = F_UNLCK;
fcntl(fileno(mb), F_UNLCK, &fl);
#endif
pline("There is a%s message on this scroll.",
seen_one_already ? "nother" : "");
}
msg = strchr(curline, ':');
/* if incorrectly formatted, or message is empty (':' and '\n' take
up 2 chars, so must have at least 3 to be nonempty), give up */
if (!msg || (msglen = (int) strlen(msg)) < 3)
goto bail;
*msg = '\0';
msg++, msglen--;
msg[msglen - 1] = '\0'; /* kill newline */
/* supply ending punctuation only if the message doesn't have any */
endpunct = "";
if (!strchr(".!?", msg[msglen - 2]))
endpunct = ".";
if (adminmsg) {
urgent_pline("The voice of %s booms through the caverns:",
curline);
} else {
pline("This message is from '%s'.", curline);
pline("It reads:");
}
pline("\"%s\"%s", msg, endpunct);
seen_one_already = TRUE;
#ifdef SIMPLE_MAIL
errno = 0;
if (!adminmsg) {
fl.l_type = F_RDLCK;
fcntl(fileno(mb), F_SETLKW, &fl);
}
#endif
}
#ifdef SIMPLE_MAIL
if (!adminmsg) {
fl.l_type = F_UNLCK;
fcntl(fileno(mb), F_UNLCK, &fl);
}
#endif
fclose(mb);
if (adminmsg)
display_nhwindow(WIN_MESSAGE, TRUE);
else
unlink(mailbox);
return;
bail:
/* bail out _professionally_ */
if (!adminmsg)
pline("It appears to be all gibberish.");
}
#endif /* SIMPLE_MAIL */
void
ck_server_admin_msg(void)
{
#ifdef SERVER_ADMIN_MSG
static struct stat ost,nst;
static long lastchk = 0;
if (gm.moves < lastchk + SERVER_ADMIN_MSG_CKFREQ) return;
lastchk = gm.moves;
if (!stat(SERVER_ADMIN_MSG, &nst)) {
if (nst.st_mtime > ost.st_mtime)
read_simplemail(SERVER_ADMIN_MSG, TRUE);
ost.st_mtime = nst.st_mtime;
}
#endif /* SERVER_ADMIN_MSG */
}
/*ARGSUSED*/
void
readmail(struct obj *otmp UNUSED)
{
#ifdef DEF_MAILREADER /* This implies that UNIX is defined */
register const char *mr = 0;
#endif /* DEF_MAILREADER */
#ifdef SIMPLE_MAIL
read_simplemail(mailbox, FALSE);
return;
#endif /* SIMPLE_MAIL */
#ifdef DEF_MAILREADER /* This implies that UNIX is defined */
if (iflags.debug_fuzzer)
return;
display_nhwindow(WIN_MESSAGE, FALSE);
if (!(mr = nh_getenv("MAILREADER")))
mr = DEF_MAILREADER;
if (child(1)) {
(void) execl(mr, mr, (char *) 0);
nh_terminate(EXIT_FAILURE);
}
#else
#ifndef AMS /* AMS mailboxes are directories */
display_file(mailbox, TRUE);
#endif /* AMS */
#endif /* DEF_MAILREADER */
/* get new stat; not entirely correct: there is a small time
window where we do not see new mail */
getmailstatus();
}
#endif /* UNIX */
#ifdef VMS
extern struct mail_info *parse_next_broadcast(void);
volatile int broadcasts = 0;
void
ckmailstatus(void)
{
struct mail_info *brdcst;
if (iflags.debug_fuzzer)
return;
if (u.uswallow || !flags.biff)
return;
while (broadcasts > 0) { /* process all trapped broadcasts [until] */
broadcasts--;
if ((brdcst = parse_next_broadcast()) != 0) {
newmail(brdcst);
break; /* only handle one real message at a time */
}
}
}
void
readmail(struct obj *otmp)
{
#ifdef SHELL /* can't access mail reader without spawning subprocess */
const char *txt, *cmd;
char *p, buf[BUFSZ] = DUMMY, qbuf[BUFSZ];
int len;
/* there should be a command in OMAILCMD */
if (has_oname(otmp))
txt = ONAME(otmp);
else
txt = "";
len = strlen(txt);
if (has_omailcmd(otmp))
cmd = OMAILCMD(otmp);
if (!cmd || !*cmd)
cmd = "SPAWN";
Sprintf(qbuf, "System command (%s)", cmd);
getlin(qbuf, buf);
if (*buf != '\033') {
for (p = eos(buf); p > buf; *p = '\0')
if (*--p != ' ')
break; /* strip trailing spaces */
if (*buf)
cmd = buf; /* use user entered command */
if (!strcmpi(cmd, "SPAWN") || !strcmp(cmd, "!"))
cmd = (char *) 0; /* interactive escape */
vms_doshell(cmd, TRUE);
(void) sleep(1);
}
#else
nhUse(otmp);
#endif /* SHELL */
}
#endif /* VMS */
#endif /* MAIL */
/*mail.c*/
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