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+/*-
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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
+ *
+ * $FreeBSD: src/usr.bin/mail/extern.h,v 1.9 2004/02/29 20:44:44 mikeh Exp $
+ */
+
+#ifndef EXTERN_H
+#define EXTERN_H
+
+struct name *cat(struct name *, struct name *);
+struct name *delname(struct name *, char []);
+struct name *elide(struct name *);
+struct name *extract(char [], int);
+struct name *gexpand(struct name *, struct grouphead *, int, int);
+struct name *nalloc(char [], int);
+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, const char *);
+FILE *Fopen(const char *, const char *);
+FILE *Popen(char *, const char *);
+FILE *collect(struct header *, int);
+char *copyin(char *, char **);
+char *detract(struct name *, int);
+char *expand(char *);
+char *getauthor(char *);
+char *getdeadletter(void);
+char *getname(int);
+char *hfield(const char *, struct message *);
+FILE *infix(struct header *, FILE *);
+char *ishfield(char [], char *, const char *);
+char *name1(struct message *, int);
+char *nameof(struct message *, int);
+char *nextword(char *, char *);
+char *readtty(const 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 *);
+char *skip_comment(char *);
+char *snarf(char [], int *, int);
+char *username(void);
+char *value(const char *);
+char *vcopy(const char *);
+char *yankword(char *, char []);
+char *yanklogin(char *, char []);
+int Fclose(FILE *);
+int More(int *);
+int Pclose(FILE *);
+int Respond(int *);
+int Type(int *);
+int doRespond(int []);
+int dorespond(int *);
+void alter(char *);
+int alternates(char **);
+void announce(void);
+int append(struct message *, FILE *);
+int argcount(char **);
+void assign(const char *, const char *);
+int bangexp(char *, size_t);
+void brokpipe(int);
+int charcount(char *, int);
+int check(int, int);
+void clob1(int);
+int clobber(char **);
+void close_all_files(void);
+int cmatch(char *, char *);
+void collhup(int);
+void collint(int);
+void collstop(int);
+void commands(void);
+int copycmd(char []);
+int Capcopycmd(char []);
+int core(void);
+int count(struct name *);
+int delete(int []);
+int delm(int []);
+int deltype(int []);
+void demail(void);
+int diction(const void *, const void *);
+int dosh(char *);
+int echo(char **);
+int edit1(int *, int);
+int editor(int *);
+void edstop(void);
+int elsecmd(void);
+int endifcmd(void);
+int evalcol(int);
+int execute(char [], int);
+int exwrite(char [], FILE *, int);
+void fail(const char *, const char *);
+int file(char **);
+struct grouphead *
+ findgroup(char []);
+void findmail(char *, char *, int);
+int first(int, int);
+void fixhead(struct header *, struct name *);
+void fmt(const char *, struct name *, FILE *, int);
+int folders(void);
+int followup(int *);
+int Capfollowup(int *);
+int forward(char [], FILE *, char *, int);
+void free_child(int);
+int from(int *);
+off_t fsize(FILE *);
+int getfold(char *, int);
+int gethfield(FILE *, char [], int, char **);
+int getmsglist(char *, int *, int);
+int getrawlist(char [], char **, int);
+int getuserid(char []);
+int grabh(struct header *, int);
+int group(char **);
+void hangup(int);
+int hash(const char *);
+void hdrstop(int);
+int headers(int *);
+int help(void);
+void holdsigs(void);
+int ifcmd(char **);
+int igcomp(const void *, const void *);
+int igfield(char *[]);
+int ignore1(char *[], struct ignoretab *, const char *);
+int igshow(struct ignoretab *, const char *);
+int inc(void *);
+int incfile(void);
+void intr(int);
+int isdate(char []);
+int isdir(char []);
+int isfileaddr(char *);
+int ishead(char []);
+int isign(const char *, struct ignoretab []);
+int isprefix(const char *, const char *);
+void istrncpy(char *, const char *, size_t);
+__const struct cmd *
+ lex(char []);
+void load(char *);
+struct var *
+ lookup(const char *);
+int mail(struct name *,
+ struct name *, struct name *, struct name *, char *, char *);
+void mail1(struct header *, int);
+int mailpipe(char []);
+void makemessage(FILE *, int);
+void mark(int);
+int markall(char [], int);
+int matchsender(char *, int);
+int matchfield(char *, int);
+int mboxit(int []);
+int member(char *, struct ignoretab *);
+void mesedit(FILE *, int);
+void mespipe(FILE *, char []);
+int messize(int *);
+int metamess(int, int);
+int more(int *);
+int newfileinfo(int);
+int next(int *);
+int null(int);
+void parse(char [], struct headline *, char []);
+int pcmdlist(void);
+int pdot(void);
+void prepare_child(sigset_t *, int, int);
+int preserve(int *);
+void prettyprint(struct name *);
+void printgroup(char []);
+void printhead(int);
+int puthead(struct header *, FILE *, int);
+int putline(FILE *, char *, int);
+int pversion(int);
+void quit(void);
+int quitcmd(void);
+int readline(FILE *, char *, int);
+void register_file(FILE *, int, int);
+void regret(int);
+void relsesigs(void);
+int respond(int *);
+int retfield(char *[]);
+int rexit(int);
+int rm(char *);
+int run_command(char *, sigset_t *, int, int, char *, char *, char *);
+int save(char []);
+int Capsave(char []);
+int save1(char [], int, const char *, struct ignoretab *);
+void savedeadletter(FILE *);
+int saveigfield(char *[]);
+int savemail(char [], FILE *);
+int saveretfield(char *[]);
+int scan(char **);
+void scaninit(void);
+int schdir(char **);
+int screensize(void);
+int scroll(char []);
+int sendmessage(struct message *, FILE *, struct ignoretab *, char *);
+int sendmail(char *);
+int set(char **);
+int setfile(char *);
+void setmsize(int);
+void setptr(FILE *, off_t);
+void setscreensize(void);
+int shell(char *);
+void sigchild(int);
+void sort(char **);
+int source(char **);
+void spreserve(void);
+void sreset(void);
+int start_command(char *, sigset_t *, int, int, char *, char *, char *);
+void statusput(struct message *, FILE *, char *);
+void stop(int);
+int stouch(int []);
+int swrite(char []);
+void tinit(void);
+int top(int *);
+void touch(struct message *);
+void ttyint(int);
+void ttystop(int);
+int type(int *);
+int type1(int *, int, int);
+int undelete_messages(int *);
+void unmark(int);
+char **unpack(struct name *);
+int unread(int []);
+void unregister_file(FILE *);
+int unset(char **);
+int unstack(void);
+void v_free(char *);
+int visual(int *);
+int wait_child(int);
+int wait_command(int);
+int writeback(FILE *);
+
+extern char *__progname;
+extern char *tmpdir;
+
+#endif /* EXTERN_H */
+