4.4BSD snapshot (revision 8.1); add 1993 to copyright

[unix-history] / usr / src / usr.bin / mail / cmd3.c

diff --git a/usr/src/usr.bin/mail/cmd3.c b/usr/src/usr.bin/mail/cmd3.c
index c1e70a1..987e2d9 100644 (file)
--- a/usr/src/usr.bin/mail/cmd3.c
+++ b/usr/src/usr.bin/mail/cmd3.c
@@ -1,7 +1,16 @@
-#
+/*
+ * Copyright (c) 1980, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)cmd3.c     8.1 (Berkeley) %G%";
+#endif /* not lint */

 
 #include "rcv.h"
 
 #include "rcv.h"

-#include <sys/stat.h>
+#include "extern.h"

 
 /*
  * Mail -- a mail program
 
 /*
  * Mail -- a mail program


@@ -9,78 +18,46 @@
  * Still more user commands.
  */
 
  * Still more user commands.
  */
 

-static char *SccsId = "@(#)cmd3.c      1.13 %G%";
-

 /*
  * Process a shell escape by saving signals, ignoring signals,
  * and forking a sh -c
  */
 /*
  * Process a shell escape by saving signals, ignoring signals,
  * and forking a sh -c
  */

-
+int

 shell(str)
        char *str;
 {
 shell(str)
        char *str;
 {

-       int (*sig[2])(), stat[1];
-       register int t;
-       char *Shell;
+       sig_t sigint = signal(SIGINT, SIG_IGN);
+       char *shell;

        char cmd[BUFSIZ];
 
        char cmd[BUFSIZ];
 

-       strcpy(cmd, str);
+       (void) strcpy(cmd, str);

        if (bangexp(cmd) < 0)
        if (bangexp(cmd) < 0)

-               return(-1);
-       if ((Shell = value("SHELL")) == NOSTR)
-               Shell = SHELL;
-       for (t = 2; t < 4; t++)
-               sig[t-2] = sigset(t, SIG_IGN);
-       t = vfork();
-       if (t == 0) {
-               for (t = 2; t < 4; t++)
-                       if (sig[t-2] != SIG_IGN)
-                               sigsys(t, SIG_DFL);
-               execl(Shell, Shell, "-c", cmd, 0);
-               perror(Shell);
-               _exit(1);
-       }
-       while (wait(stat) != t)
-               ;
-       if (t == -1)
-               perror("fork");
-       for (t = 2; t < 4; t++)
-               sigset(t, sig[t-2]);
+               return 1;
+       if ((shell = value("SHELL")) == NOSTR)
+               shell = _PATH_CSHELL;
+       (void) run_command(shell, 0, -1, -1, "-c", cmd, NOSTR);
+       (void) signal(SIGINT, sigint);

        printf("!\n");
        printf("!\n");

-       return(0);
+       return 0;

 }
 
 /*
  * Fork an interactive shell.
  */
 }
 
 /*
  * Fork an interactive shell.
  */

-
+/*ARGSUSED*/
+int

 dosh(str)
        char *str;
 {
 dosh(str)
        char *str;
 {

-       int (*sig[2])(), stat[1];
-       register int t;
-       char *Shell;
-       if ((Shell = value("SHELL")) == NOSTR)
-               Shell = SHELL;
-       for (t = 2; t < 4; t++)
-               sig[t-2] = sigset(t, SIG_IGN);
-       t = vfork();
-       if (t == 0) {
-               for (t = 2; t < 4; t++)
-                       if (sig[t-2] != SIG_IGN)
-                               sigsys(t, SIG_DFL);
-               execl(Shell, Shell, 0);
-               perror(Shell);
-               _exit(1);
-       }
-       while (wait(stat) != t)
-               ;
-       if (t == -1)
-               perror("fork");
-       for (t = 2; t < 4; t++)
-               sigsys(t, sig[t-2]);
+       sig_t sigint = signal(SIGINT, SIG_IGN);
+       char *shell;
+
+       if ((shell = value("SHELL")) == NOSTR)
+               shell = _PATH_CSHELL;
+       (void) run_command(shell, 0, -1, -1, NOSTR, NOSTR, NOSTR);
+       (void) signal(SIGINT, sigint);

        putchar('\n');
        putchar('\n');

-       return(0);
+       return 0;

 }
 
 /*
 }
 
 /*


@@ -90,6 +67,7 @@ dosh(str)
 
 char   lastbang[128];
 
 
 char   lastbang[128];
 

+int

 bangexp(str)
        char *str;
 {
 bangexp(str)
        char *str;
 {


@@ -141,110 +119,114 @@ overf:
  * Print out a nice help message from some file or another.
  */
 
  * Print out a nice help message from some file or another.
  */
 

+int

 help()
 {
        register c;
        register FILE *f;
 
 help()
 {
        register c;
        register FILE *f;
 

-       if ((f = fopen(HELPFILE, "r")) == NULL) {
-               printf("No help just now.\n");
+       if ((f = Fopen(_PATH_HELP, "r")) == NULL) {
+               perror(_PATH_HELP);

                return(1);
        }
        while ((c = getc(f)) != EOF)
                putchar(c);
                return(1);
        }
        while ((c = getc(f)) != EOF)
                putchar(c);

-       fclose(f);
+       Fclose(f);

        return(0);
 }
 
 /*
  * Change user's working directory.
  */
        return(0);
 }
 
 /*
  * Change user's working directory.
  */

-
-schdir(str)
-       char *str;
+int
+schdir(arglist)
+       char **arglist;

 {
 {

-       register char *cp;
+       char *cp;

 
 

-       for (cp = str; *cp == ' '; cp++)
-               ;
-       if (*cp == '\0')
+       if (*arglist == NOSTR)

                cp = homedir;
        else
                cp = homedir;
        else

-               if ((cp = expand(cp)) == NOSTR)
+               if ((cp = expand(*arglist)) == NOSTR)

                        return(1);
        if (chdir(cp) < 0) {
                perror(cp);
                return(1);
        }
                        return(1);
        if (chdir(cp) < 0) {
                perror(cp);
                return(1);
        }

-       return(0);
+       return 0;
+}
+
+int
+respond(msgvec)
+       int *msgvec;
+{
+       if (value("Replyall") == NOSTR)
+               return (_respond(msgvec));
+       else
+               return (_Respond(msgvec));

 }
 
 /*
  * Reply to a list of messages.  Extract each name from the
  * message header and send them off to mail1()
  */
 }
 
 /*
  * Reply to a list of messages.  Extract each name from the
  * message header and send them off to mail1()
  */

-
-respond(msgvec)
+int
+_respond(msgvec)

        int *msgvec;
 {
        struct message *mp;
        int *msgvec;
 {
        struct message *mp;

-       char *cp, buf[2 * LINESIZE], *rcv, *replyto;
+       char *cp, *rcv, *replyto;
+       char **ap;

        struct name *np;
        struct header head;
        struct name *np;
        struct header head;

-       char *netmap();

 
        if (msgvec[1] != 0) {
                printf("Sorry, can't reply to multiple messages at once\n");
                return(1);
        }
        mp = &message[msgvec[0] - 1];
 
        if (msgvec[1] != 0) {
                printf("Sorry, can't reply to multiple messages at once\n");
                return(1);
        }
        mp = &message[msgvec[0] - 1];

+       touch(mp);

        dot = mp;
        dot = mp;

-       rcv = nameof(mp, 1);
-       replyto = skin(hfield("reply-to", mp));
-       strcpy(buf, "");
-       if (replyto != NOSTR)
-               strcpy(buf, replyto);
-       else {
-               cp = hfield("to", mp);
-               if (cp != NOSTR)
-                       strcpy(buf, cp);
-       }
-       np = elide(extract(buf, GTO));
-       /* rcv = rename(rcv); */
-       mapf(np, rcv);
+       if ((rcv = skin(hfield("from", mp))) == NOSTR)
+               rcv = skin(nameof(mp, 1));
+       if ((replyto = skin(hfield("reply-to", mp))) != NOSTR)
+               np = extract(replyto, GTO);
+       else if ((cp = skin(hfield("to", mp))) != NOSTR)
+               np = extract(cp, GTO);
+       else
+               np = NIL;
+       np = elide(np);
+       /*
+        * Delete my name from the reply list,
+        * and with it, all my alternate names.
+        */

        np = delname(np, myname);
        np = delname(np, myname);

-       head.h_seq = 1;
-       cp = detract(np, 0);
-       if (cp != NOSTR && replyto == NOSTR) {
-               strcpy(buf, cp);
-               strcat(buf, " ");
-               strcat(buf, rcv);
-       }
-       else {
-               if (cp == NOSTR && replyto != NOSTR)
+       if (altnames)
+               for (ap = altnames; *ap; ap++)
+                       np = delname(np, *ap);
+       if (np != NIL && replyto == NOSTR)
+               np = cat(np, extract(rcv, GTO));
+       else if (np == NIL) {
+               if (replyto != NOSTR)

                        printf("Empty reply-to field -- replying to author\n");
                        printf("Empty reply-to field -- replying to author\n");

-               if (cp == NOSTR)
-                       strcpy(buf, rcv);
-               else
-                       strcpy(buf, cp);
+               np = extract(rcv, GTO);

        }
        }

-       head.h_to = buf;
-       head.h_subject = hfield("subject", mp);
-       if (head.h_subject == NOSTR)
+       head.h_to = np;
+       if ((head.h_subject = hfield("subject", mp)) == NOSTR)

                head.h_subject = hfield("subj", mp);
        head.h_subject = reedit(head.h_subject);
                head.h_subject = hfield("subj", mp);
        head.h_subject = reedit(head.h_subject);

-       head.h_cc = NOSTR;
-       if (replyto == NOSTR) {
-               cp = hfield("cc", mp);
-               if (cp != NOSTR) {
-                       np = elide(extract(cp, GCC));
-                       mapf(np, rcv);
-                       np = delname(np, myname);
-                       head.h_cc = detract(np, 0);
-               }
-       }
-       head.h_bcc = NOSTR;
-       mail1(&head);
+       if (replyto == NOSTR && (cp = skin(hfield("cc", mp))) != NOSTR) {
+               np = elide(extract(cp, GCC));
+               np = delname(np, myname);
+               if (altnames != 0)
+                       for (ap = altnames; *ap; ap++)
+                               np = delname(np, *ap);
+               head.h_cc = np;
+       } else
+               head.h_cc = NIL;
+       head.h_bcc = NIL;
+       head.h_smopts = NIL;
+       mail1(&head, 1);

        return(0);
 }
 
        return(0);
 }
 


@@ -252,30 +234,29 @@ respond(msgvec)
  * Modify the subject we are replying to to begin with Re: if
  * it does not already.
  */
  * Modify the subject we are replying to to begin with Re: if
  * it does not already.
  */

-

 char *
 reedit(subj)
 char *
 reedit(subj)

-       char *subj;
+       register char *subj;

 {
 {

-       char sbuf[10];
-       register char *newsubj;
+       char *newsubj;

 
        if (subj == NOSTR)
 
        if (subj == NOSTR)

-               return(NOSTR);
-       strncpy(sbuf, subj, 3);
-       sbuf[3] = 0;
-       if (icequal(sbuf, "re:"))
-               return(subj);
-       newsubj = salloc(strlen(subj) + 6);
-       sprintf(newsubj, "Re:  %s", subj);
-       return(newsubj);
+               return NOSTR;
+       if ((subj[0] == 'r' || subj[0] == 'R') &&
+           (subj[1] == 'e' || subj[1] == 'E') &&
+           subj[2] == ':')
+               return subj;
+       newsubj = salloc(strlen(subj) + 5);
+       strcpy(newsubj, "Re: ");
+       strcpy(newsubj + 4, subj);
+       return newsubj;

 }
 
 /*
  * Preserve the named messages, so that they will be sent
  * back to the system mailbox.
  */
 }
 
 /*
  * Preserve the named messages, so that they will be sent
  * back to the system mailbox.
  */

-
+int

 preserve(msgvec)
        int *msgvec;
 {
 preserve(msgvec)
        int *msgvec;
 {


@@ -297,9 +278,26 @@ preserve(msgvec)
 }
 
 /*
 }
 
 /*

- * Print the size of each message.
+ * Mark all given messages as unread.

  */
  */

+int
+unread(msgvec)
+       int     msgvec[];
+{
+       register int *ip;
+
+       for (ip = msgvec; *ip != NULL; ip++) {
+               dot = &message[*ip-1];
+               dot->m_flag &= ~(MREAD|MTOUCH);
+               dot->m_flag |= MSTATUS;
+       }
+       return(0);
+}

 
 

+/*
+ * Print the size of each message.
+ */
+int

 messize(msgvec)
        int *msgvec;
 {
 messize(msgvec)
        int *msgvec;
 {


@@ -309,7 +307,7 @@ messize(msgvec)
        for (ip = msgvec; *ip != NULL; ip++) {
                mesg = *ip;
                mp = &message[mesg-1];
        for (ip = msgvec; *ip != NULL; ip++) {
                mesg = *ip;
                mp = &message[mesg-1];

-               printf("%d: %d\n", mesg, msize(mp));
+               printf("%d: %d/%ld\n", mesg, mp->m_lines, mp->m_size);

        }
        return(0);
 }
        }
        return(0);
 }


@@ -318,19 +316,21 @@ messize(msgvec)
  * Quit quickly.  If we are sourcing, just pop the input level
  * by returning an error.
  */
  * Quit quickly.  If we are sourcing, just pop the input level
  * by returning an error.
  */

-
+int

 rexit(e)
 rexit(e)

+       int e;

 {
        if (sourcing)
                return(1);
        exit(e);
 {
        if (sourcing)
                return(1);
        exit(e);

+       /*NOTREACHED*/

 }
 
 /*
  * Set or display a variable value.  Syntax is similar to that
  * of csh.
  */
 }
 
 /*
  * Set or display a variable value.  Syntax is similar to that
  * of csh.
  */

-
+int

 set(arglist)
        char **arglist;
 {
 set(arglist)
        char **arglist;
 {


@@ -339,7 +339,7 @@ set(arglist)
        char varbuf[BUFSIZ], **ap, **p;
        int errs, h, s;
 
        char varbuf[BUFSIZ], **ap, **p;
        int errs, h, s;
 

-       if (argcount(arglist) == 0) {
+       if (*arglist == NOSTR) {

                for (h = 0, s = 1; h < HSHSIZE; h++)
                        for (vp = variables[h]; vp != NOVAR; vp = vp->v_link)
                                s++;
                for (h = 0, s = 1; h < HSHSIZE; h++)
                        for (vp = variables[h]; vp != NOVAR; vp = vp->v_link)
                                s++;


@@ -377,12 +377,11 @@ set(arglist)
 /*
  * Unset a bunch of variable values.
  */
 /*
  * Unset a bunch of variable values.
  */

-
+int

 unset(arglist)
        char **arglist;
 {
        register struct var *vp, *vp2;
 unset(arglist)
        char **arglist;
 {
        register struct var *vp, *vp2;

-       register char *cp;

        int errs, h;
        char **ap;
 
        int errs, h;
        char **ap;
 


@@ -400,7 +399,7 @@ unset(arglist)
                        variables[h] = variables[h]->v_link;
                        vfree(vp2->v_name);
                        vfree(vp2->v_value);
                        variables[h] = variables[h]->v_link;
                        vfree(vp2->v_name);
                        vfree(vp2->v_value);

-                       cfree(vp2);
+                       free((char *)vp2);

                        continue;
                }
                for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link)
                        continue;
                }
                for (vp = variables[h]; vp->v_link != vp2; vp = vp->v_link)


@@ -408,7 +407,7 @@ unset(arglist)
                vp->v_link = vp2->v_link;
                vfree(vp2->v_name);
                vfree(vp2->v_value);
                vp->v_link = vp2->v_link;
                vfree(vp2->v_name);
                vfree(vp2->v_value);

-               cfree(vp2);
+               free((char *) vp2);

        }
        return(errs);
 }
        }
        return(errs);
 }


@@ -416,7 +415,7 @@ unset(arglist)
 /*
  * Put add users to a group.
  */
 /*
  * Put add users to a group.
  */

-
+int

 group(argv)
        char **argv;
 {
 group(argv)
        char **argv;
 {


@@ -426,7 +425,7 @@ group(argv)
        int s;
        char **ap, *gname, **p;
 
        int s;
        char **ap, *gname, **p;
 

-       if (argcount(argv) == 0) {
+       if (*argv == NOSTR) {

                for (h = 0, s = 1; h < HSHSIZE; h++)
                        for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
                                s++;
                for (h = 0, s = 1; h < HSHSIZE; h++)
                        for (gh = groups[h]; gh != NOGRP; gh = gh->g_link)
                                s++;


@@ -440,7 +439,7 @@ group(argv)
                        printgroup(*p);
                return(0);
        }
                        printgroup(*p);
                return(0);
        }

-       if (argcount(argv) == 1) {
+       if (argv[1] == NOSTR) {

                printgroup(*argv);
                return(0);
        }
                printgroup(*argv);
                return(0);
        }


@@ -473,7 +472,7 @@ group(argv)
  * Sort the passed string vecotor into ascending dictionary
  * order.
  */
  * Sort the passed string vecotor into ascending dictionary
  * order.
  */

-
+void

 sort(list)
        char **list;
 {
 sort(list)
        char **list;
 {


@@ -484,132 +483,55 @@ sort(list)
                ;
        if (ap-list < 2)
                return;
                ;
        if (ap-list < 2)
                return;

-       qsort(list, ap-list, sizeof *list, diction);
+       qsort(list, ap-list, sizeof(*list), diction);

 }
 
 /*
  * Do a dictionary order comparison of the arguments from
  * qsort.
  */
 }
 
 /*
  * Do a dictionary order comparison of the arguments from
  * qsort.
  */

-
+int

 diction(a, b)
 diction(a, b)

-       register char **a, **b;
+       const void *a, *b;

 {
 {

-       return(strcmp(*a, *b));
+       return(strcmp(*(char **)a, *(char **)b));

 }
 
 /*
  * The do nothing command for comments.
  */
 
 }
 
 /*
  * The do nothing command for comments.
  */
 

+/*ARGSUSED*/
+int

 null(e)
 null(e)

+       int e;

 {
 {

-       return(0);
+       return 0;

 }
 
 /*
 }
 
 /*

- * Print out the current edit file, if we are editing.
- * Otherwise, print the name of the person who's mail
- * we are reading.
+ * Change to another file.  With no argument, print information about
+ * the current file.

  */
  */

-
+int

 file(argv)
 file(argv)

-       char **argv;
+       register char **argv;

 {
 {

-       register char *cp;
-       char fname[BUFSIZ];

 
        if (argv[0] == NOSTR) {
                newfileinfo();
 
        if (argv[0] == NOSTR) {
                newfileinfo();

-               return(0);
-       }
-
-       /*
-        * Acker's!  Must switch to the new file.
-        * We use a funny interpretation --
-        *      # -- gets the previous file
-        *      % -- gets the invoker's post office box
-        *      %user -- gets someone else's post office box
-        *      & -- gets invoker's mbox file
-        *      string -- reads the given file
-        */
-
-       cp = getfilename(argv[0]);
-       if (cp == NOSTR)
-               return(-1);
-       return(setfile(cp, 1));
-}
-
-/*
- * Evaluate the string given as a new mailbox name.
- * Ultimately, we want this to support a number of meta characters.
- * Possibly:
- *     % -- for my system mail box
- *     %user -- for user's system mail box
- *     # -- for previous file
- *     & -- get's invoker's mbox file
- *     file name -- for any other file
- */
-
-char   prevfile[PATHSIZE];
-
-char *
-getfilename(name)
-       char *name;
-{
-       register char *cp;
-       char savename[BUFSIZ];
-       char oldmailname[BUFSIZ];
-
-       switch (*name) {
-       case '%':
-               strcpy(prevfile, mailname);
-               if (name[1] != 0) {
-                       strcpy(savename, myname);
-                       strcpy(oldmailname, mailname);
-                       strncpy(myname, name+1, PATHSIZE-1);
-                       myname[PATHSIZE-1] = 0;
-                       findmail();
-                       cp = savestr(mailname);
-                       strcpy(myname, savename);
-                       strcpy(mailname, oldmailname);
-                       return(cp);
-               }
-               strcpy(oldmailname, mailname);
-               findmail();
-               cp = savestr(mailname);
-               strcpy(mailname, oldmailname);
-               return(cp);
-
-       case '#':
-               if (name[1] != 0)
-                       goto regular;
-               if (prevfile[0] == 0) {
-                       printf("No previous file\n");
-                       return(NOSTR);
-               }
-               cp = savestr(prevfile);
-               strcpy(prevfile, mailname);
-               return(cp);
-
-       case '&':
-               strcpy(prevfile, mailname);
-               if (name[1] == 0)
-                       return(mbox);
-               /* Fall into . . . */
-
-       default:
-regular:
-               strcpy(prevfile, mailname);
-               cp = expand(name);
-               return(cp);
+               return 0;

        }
        }

+       if (setfile(*argv) < 0)
+               return 1;
+       announce();
+       return 0;

 }
 
 /*
  * Expand file names like echo
  */
 }
 
 /*
  * Expand file names like echo
  */

-
+int

 echo(argv)
        char **argv;
 {
 echo(argv)
        char **argv;
 {


@@ -618,10 +540,24 @@ echo(argv)
 
        for (ap = argv; *ap != NOSTR; ap++) {
                cp = *ap;
 
        for (ap = argv; *ap != NOSTR; ap++) {
                cp = *ap;

-               if ((cp = expand(cp)) != NOSTR)
-                       printf("%s ", cp);
+               if ((cp = expand(cp)) != NOSTR) {
+                       if (ap != argv)
+                               putchar(' ');
+                       printf("%s", cp);
+               }

        }
        }

-       return(0);
+       putchar('\n');
+       return 0;
+}
+
+int
+Respond(msgvec)
+       int *msgvec;
+{
+       if (value("Replyall") == NOSTR)
+               return (_Respond(msgvec));
+       else
+               return (_respond(msgvec));

 }
 
 /*
 }
 
 /*


@@ -629,49 +565,42 @@ echo(argv)
  * and not messing around with the To: and Cc: lists as in normal
  * reply.
  */
  * and not messing around with the To: and Cc: lists as in normal
  * reply.
  */

-
-Respond(msgvec)
+int
+_Respond(msgvec)

        int msgvec[];
 {
        struct header head;
        struct message *mp;
        int msgvec[];
 {
        struct header head;
        struct message *mp;

-       register int s, *ap;
-       register char *cp, *subject;
+       register int *ap;
+       register char *cp;

 
 

-       for (s = 0, ap = msgvec; *ap != 0; ap++) {
-               mp = &message[*ap - 1];
-               dot = mp;
-               s += strlen(nameof(mp, 2)) + 1;
-       }
-       if (s == 0)
-               return(0);
-       cp = salloc(s + 2);
-       head.h_to = cp;
+       head.h_to = NIL;

        for (ap = msgvec; *ap != 0; ap++) {
                mp = &message[*ap - 1];
        for (ap = msgvec; *ap != 0; ap++) {
                mp = &message[*ap - 1];

-               cp = copy(nameof(mp, 2), cp);
-               *cp++ = ' ';
+               touch(mp);
+               dot = mp;
+               if ((cp = skin(hfield("from", mp))) == NOSTR)
+                       cp = skin(nameof(mp, 2));
+               head.h_to = cat(head.h_to, extract(cp, GTO));

        }
        }

-       *--cp = 0;
+       if (head.h_to == NIL)
+               return 0;

        mp = &message[msgvec[0] - 1];
        mp = &message[msgvec[0] - 1];

-       subject = hfield("subject", mp);
-       head.h_seq = 0;
-       if (subject == NOSTR)
-               subject = hfield("subj", mp);
-       head.h_subject = reedit(subject);
-       if (subject != NOSTR)
-               head.h_seq++;
-       head.h_cc = NOSTR;
-       head.h_bcc = NOSTR;
-       mail1(&head);
-       return(0);
+       if ((head.h_subject = hfield("subject", mp)) == NOSTR)
+               head.h_subject = hfield("subj", mp);
+       head.h_subject = reedit(head.h_subject);
+       head.h_cc = NIL;
+       head.h_bcc = NIL;
+       head.h_smopts = NIL;
+       mail1(&head, 1);
+       return 0;

 }
 
 /*
  * Conditional commands.  These allow one to parameterize one's
  * .mailrc and do some things if sending, others if receiving.
  */
 }
 
 /*
  * Conditional commands.  These allow one to parameterize one's
  * .mailrc and do some things if sending, others if receiving.
  */

-
+int

 ifcmd(argv)
        char **argv;
 {
 ifcmd(argv)
        char **argv;
 {


@@ -703,7 +632,7 @@ ifcmd(argv)
  * Implement 'else'.  This is pretty simple -- we just
  * flip over the conditional flag.
  */
  * Implement 'else'.  This is pretty simple -- we just
  * flip over the conditional flag.
  */

-
+int

 elsecmd()
 {
 
 elsecmd()
 {
 


@@ -731,7 +660,7 @@ elsecmd()
 /*
  * End of if statement.  Just set cond back to anything.
  */
 /*
  * End of if statement.  Just set cond back to anything.
  */

-
+int

 endifcmd()
 {
 
 endifcmd()
 {
 


@@ -742,3 +671,34 @@ endifcmd()
        cond = CANY;
        return(0);
 }
        cond = CANY;
        return(0);
 }

+
+/*
+ * Set the list of alternate names.
+ */
+int
+alternates(namelist)
+       char **namelist;
+{
+       register int c;
+       register char **ap, **ap2, *cp;
+
+       c = argcount(namelist) + 1;
+       if (c == 1) {
+               if (altnames == 0)
+                       return(0);
+               for (ap = altnames; *ap; ap++)
+                       printf("%s ", *ap);
+               printf("\n");
+               return(0);
+       }
+       if (altnames != 0)
+               free((char *) altnames);
+       altnames = (char **) calloc((unsigned) c, sizeof (char *));
+       for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) {
+               cp = (char *) calloc((unsigned) strlen(*ap) + 1, sizeof (char));
+               strcpy(cp, *ap);
+               *ap2 = cp;
+       }
+       *ap2 = 0;
+       return(0);
+}