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extern.h

/*    $OpenBSD: extern.h,v 1.26 2008/07/15 19:23:26 martynas Exp $      */
/*    $NetBSD: extern.h,v 1.7 1997/07/09 05:22:00 mikel Exp $     */

/*-
 * Copyright (c) 1992, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *    @(#)extern.h      8.2 (Berkeley) 4/20/95
 *    $OpenBSD: extern.h,v 1.26 2008/07/15 19:23:26 martynas Exp $
 */

struct name;
struct name *cat(struct name *, struct name *);
struct name *delname(struct name *, char *);
struct name *elide(struct name *);
struct name *extract(char *, int);
struct grouphead;
struct name *gexpand(struct name *, struct grouphead *, int, int);
struct name *nalloc(char *, int);
struct header;
struct name *outof(struct name *, FILE *, struct header *);
struct name *put(struct name *, struct name *);
struct name *tailof(struct name *);
struct name *usermap(struct name *);
FILE  *Fdopen(int, char *);
FILE  *Fopen(char *, char *);
FILE  *Popen(char *, char *);
FILE  *collect(struct header *, int);
char  *copy(char *, char *);
char  *copyin(char *, char **);
char  *detract(struct name *, int);
char  *expand(char *);
char  *getdeadletter(void);
char  *getname(uid_t);
struct message;
char  *hfield(char *, struct message *);
FILE  *infix(struct header *, FILE *);
char  *ishfield(char *, char *, char *);
char  *name1(struct message *, int);
char  *nameof(struct message *, int);
char  *nextword(char *, char *);
char  *readtty(char *, char *);
char  *reedit(char *);
FILE  *run_editor(FILE *, off_t, int, int);
char  *salloc(int);
char  *savestr(char *);
FILE  *setinput(struct message *);
char  *skin(char *, int);
char  *skip_comment(char *);
char  *snarf(char *, int *);
char  *username(void);
char  *value(char *);
char  *vcopy(char *);
char  *yankword(char *, char *, int);
int    Fclose(FILE *);
int    More(void *);
int    Pclose(FILE *);
int    Respond(void *);
int    Type(void *);
int    _Respond(int *);
int    _respond(int *);
void   alter(char *);
int    alternates(void *);
void   announce(void);
int    append(struct message *, FILE *);
int    argcount(char **);
void   assign(char *, char *);
int    bangexp(char *, size_t);
int    blankline(char *);
int    charcount(char *, int);
int    check(int, int);
void   clearnew(void);
void   close_all_files(void);
int    cmatch(char *, char *);
int    collabort(void);
void   commands(void);
int    copycmd(void *);
int    core(void *);
int    count(struct name *);
int    deletecmd(void *);
int    delm(int *);
int    deltype(void *);
void   demail(void);
void   dointr(void);
int    dosh(void *);
int    echo(void *);
int    edit1(int *, int);
int    editor(void *);
int    edstop(void);
int    elsecmd(void *);
int    endifcmd(void *);
int    evalcol(int);
int    execute(char *, int);
int    exwrite(char *, FILE *, int);
void   fail(char *, char *);
int    file(void *);
struct grouphead *
       findgroup(char *);
void   findmail(char *, char *, int);
void   fioint(int);
int    first(int, int);
void   fixhead(struct header *, struct name *);
void   fmt(char *, struct name *, FILE *, int);
int    folders(void *);
int    forward(char *, FILE *, char *, int);
void   free_child(pid_t);
int    from(void *);
off_t  fsize(FILE *);
int    getfold(char *, int);
int    gethfield(FILE *, char *, int, char **);
int    gethfromtty(struct header *, int);
int    getmsglist(char *, int *, int);
int    getrawlist(char *, char **, int);
uid_t  getuserid(char *);
int    grabh(struct header *, int);
int    group(void *);
int    hash(char *);
void   hdrint(int);
int    headers(void *);
int    help(void *);
void   holdsigs(void);
int    ifcmd(void *);
int    igfield(void *);
struct ignoretab;
int    ignore1(char **, struct ignoretab *, char *);
int    ignoresig(int, struct sigaction *, sigset_t *);
int    igshow(struct ignoretab *, char *);
void   intr(int);
int    inc(void *);
int    incfile(void);
int    isdate(char *);
int    isdir(char *);
int    isfileaddr(char *);
int    ishead(char *);
int    isign(char *, struct ignoretab *);
int    isprefix(char *, char *);
size_t       istrlcpy(char *, const char *, size_t);
const struct cmd *
       lex(char *);
void   load(char *);
struct var *
       lookup(char *);
int    mail (struct name *, struct name *, struct name *, struct name *,
             char *, char *, char *);
void   mail1(struct header *, int);
void   makemessage(FILE *, int);
void   mark(int);
int    markall(char *, int);
int    marknew(void *);
int    matchsender(char *, int);
int    matchsubj(char *, int);
int    mboxit(void *);
int    member(char *, struct ignoretab *);
void   mesedit(FILE *, int);
void   mespipe(FILE *, char *);
int    messize(void *);
int    metamess(int, int);
int    more(void *);
int    newfileinfo(int);
int    next(void *);
int    null(void *);
struct headline;
void   parse(char *, struct headline *, char *);
int    pcmdlist(void *);
int    pdot(void *);
int    pipeit(void *, void *);
void   prepare_child(sigset_t *, int, int);
int    preserve(void *);
void   prettyprint(struct name *);
void   printgroup(char *);
void   printhead(int);
int    puthead(struct header *, FILE *, int);
int    putline(FILE *, char *, int);
int    pversion(void *);
int    quit(void);
int    quitcmd(void *);
int    readline(FILE *, char *, int, int *);
void   register_file(FILE *, int, pid_t);
void   regret(int);
void   relsesigs(void);
int    respond(void *);
int    retfield(void *);
int    rexit(void *);
int    rm(char *);
int    run_command(char *cmd, sigset_t *nset, int infd, int outfd, ...);
int    save(void *);
int    save1(char *, int, char *, struct ignoretab *);
void   savedeadletter(FILE *);
int    saveigfield(void *);
int    savemail(char *, FILE *);
int    saveretfield(void *);
int    scan(char **);
void   scaninit(void);
int    schdir(void *);
int    screensize(void);
int    scroll(void *);
void   sendint(int);
int    sendmessage(struct message *, FILE *, struct ignoretab *, char *);
int    sendmail(void *);
int    set(void *);
int    setfile(char *);
void   setmsize(int);
void   setptr(FILE *, off_t);
void   setscreensize(void);
int    shell(void *);
void   sigchild(int);
void   sort(char **);
int    source(void *);
int    spool_lock(void);
int    spool_unlock(void);
void   spreserve(void);
void   sreset(void);
pid_t  start_command(char *cmd, sigset_t *nset, int infd, int outfd, ...);
pid_t  start_commandv(char *, sigset_t *, int, int, va_list);
int    statusput(struct message *, FILE *, char *);
void   stop(int);
int    stouch(void *);
int    swrite(void *);
void   tinit(void);
int    top(void *);
void   touch(struct message *);
void   ttyint(int);
void   ttystop(int);
int    type(void *);
int    type1(int *, char *, int, int);
int    undeletecmd(void *);
void   unmark(int);
char  **unpack(struct name *, struct name *);
int    unread(void *);
void   unregister_file(FILE *);
int    unset(void *);
int    unstack(void);
void   vfree(char *);
int    visual(void *);
int    wait_child(pid_t);
int    wait_command(int);
int    writeback(FILE *);

extern char *__progname;
extern char *tmpdir;
extern const struct cmd *com; /* command we are running */

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