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+/* Prototypes and external variable declarations.
+ *
+ * (C) 2003 Anope Team
+ * Contact us at info@anope.org
+ *
+ * Please read COPYING and README for furhter details.
+ *
+ * Based on the original code of Epona by Lara.
+ * Based on the original code of Services by Andy Church.
+ *
+ * $Id: extern.h,v 1.65 2004/03/13 13:55:59 dane Exp $
+ *
+ */
+
+#ifndef EXTERN_H
+#define EXTERN_H
+
+#include "slist.h"
+
+#define E extern
+
+
+/**** modules.c ****/
+E void moduleCallBackRun(void);
+
+/**** actions.c ****/
+
+E void change_user_mode(User *u, char *modes, char *arg);
+E void kill_user(const char *source, const char *user, const char *reason);
+E void bad_password(User *u);
+
+/**** botserv.c ****/
+
+E BotInfo *botlists[256];
+
+E void get_botserv_stats(long *nrec, long *memuse);
+
+E void bs_init(void);
+E void botserv(User *u, char *buf);
+E void botmsgs(User *u, BotInfo *bi, char *buf);
+E void botchanmsgs(User *u, ChannelInfo *ci, char *buf);
+E void load_bs_dbase(void);
+E void save_bs_dbase(void);
+E void save_bs_rdb_dbase(void);
+
+E BotInfo *findbot(char *nick);
+E void bot_join(ChannelInfo *ci);
+E void bot_rejoin_all(BotInfo *bi);
+
+/**** channels.c ****/
+
+E Channel *chanlist[1024];
+E CBMode cbmodes[128];
+E CBModeInfo cbmodeinfos[];
+
+E void get_channel_stats(long *nrec, long *memuse);
+E Channel *findchan(const char *chan);
+E Channel *firstchan(void);
+E Channel *nextchan(void);
+
+E void chan_deluser(User *user, Channel *c);
+
+E int is_on_chan(Channel *c, User *u);
+E User *nc_on_chan(Channel *c, NickCore *nc);
+
+E char *chan_get_modes(Channel *chan, int complete, int plus);
+E void chan_set_modes(const char *source, Channel *chan, int ac, char **av, int check);
+
+E int chan_get_user_status(Channel *chan, User *user);
+E int chan_has_user_status(Channel *chan, User *user, int16 status);
+E void chan_remove_user_status(Channel *chan, User *user, int16 status);
+E void chan_set_user_status(Channel *chan, User *user, int16 status);
+
+E int get_access_level(ChannelInfo *ci, NickAlias *na);
+E char *get_xop_level(int level);
+
+E void do_cmode(const char *source, int ac, char **av);
+E void do_join(const char *source, int ac, char **av);
+E void do_kick(const char *source, int ac, char **av);
+E void do_part(const char *source, int ac, char **av);
+E void do_sjoin(const char *source, int ac, char **av);
+E void do_topic(const char *source, int ac, char **av);
+E void do_mass_mode(char *modes);
+#define whosends(ci) ((!(ci) || !((ci)->botflags & BS_SYMBIOSIS) || !(ci)->bi || !(ci)->c || (ci)->c->usercount < BSMinUsers) ? s_ChanServ : (ci)->bi->nick)
+
+/**** chanserv.c ****/
+
+E ChannelInfo *chanlists[256];
+E CSModeUtil csmodeutils[];
+
+E void listchans(int count_only, const char *chan);
+E void get_chanserv_stats(long *nrec, long *memuse);
+
+E void cs_init(void);
+E void chanserv(User *u, char *buf);
+E void load_cs_dbase(void);
+E void save_cs_dbase(void);
+E void save_cs_rdb_dbase(void);
+E void expire_chans(void);
+E void cs_remove_nick(const NickCore *nc);
+E void cs_remove_bot(const BotInfo *bi);
+
+E void check_modes(Channel *c);
+#ifdef IRC_ULTIMATE3
+E int check_valid_admin(User *user, Channel *chan, int servermode);
+#endif
+E int check_valid_op(User *user, Channel *chan, int servermode);
+E int check_should_op(User *user, const char *chan);
+E int check_should_voice(User *user, const char *chan);
+#ifdef HAS_HALFOP
+E int check_should_halfop(User *user, const char *chan);
+#endif
+#if defined(IRC_UNREAL) || defined(IRC_VIAGRA)
+E int check_should_owner(User *user, const char *chan);
+E int check_should_protect(User *user, const char *chan);
+#endif
+#ifdef IRC_ULTIMATE3
+E int check_should_protect(User *user, const char *chan);
+#endif
+E int check_kick(User *user, char *chan);
+E void record_topic(const char *chan);
+E void restore_topic(const char *chan);
+E int check_topiclock(Channel *c, time_t topic_time);
+
+E ChannelInfo *cs_findchan(const char *chan);
+E int check_access(User *user, ChannelInfo *ci, int what);
+E int is_founder(User *user, ChannelInfo *ci);
+E int get_access(User *user, ChannelInfo *ci);
+E ChanAccess *get_access_entry(NickCore *nc, ChannelInfo *ci);
+E void update_cs_lastseen(User *user, ChannelInfo *ci);
+E int get_idealban(ChannelInfo *ci, User *u, char *ret, int retlen);
+E AutoKick *is_stuck(ChannelInfo *ci, char *mask);
+E void stick_mask(ChannelInfo *ci, AutoKick *akick);
+E void stick_all(ChannelInfo *ci);
+
+#ifdef HAS_FMODE
+E char *cs_get_flood(ChannelInfo *ci);
+E void cs_set_flood(ChannelInfo *ci, char *value);
+#endif
+E char *cs_get_key(ChannelInfo *ci);
+E void cs_set_key(ChannelInfo *ci, char *value);
+E char *cs_get_limit(ChannelInfo *ci);
+E void cs_set_limit(ChannelInfo *ci, char *value);
+#ifdef HAS_LMODE
+E char *cs_get_redirect(ChannelInfo *ci);
+E void cs_set_redirect(ChannelInfo *ci, char *value);
+#endif
+
+/**** compat.c ****/
+
+#if !HAVE_SNPRINTF
+# if BAD_SNPRINTF
+# define snprintf my_snprintf
+# endif
+# define vsnprintf my_vsnprintf
+E int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
+E int snprintf(char *buf, size_t size, const char *fmt, ...);
+#endif
+#if !HAVE_STRICMP && !HAVE_STRCASECMP
+E int stricmp(const char *s1, const char *s2);
+E int strnicmp(const char *s1, const char *s2, size_t len);
+#endif
+#if !HAVE_STRDUP
+E char *strdup(const char *s);
+#endif
+#if !HAVE_STRSPN
+E size_t strspn(const char *s, const char *accept);
+#endif
+#if !HAVE_STRERROR
+E char *strerror(int errnum);
+#endif
+#if !HAVE_STRSIGNAL
+char *strsignal(int signum);
+#endif
+
+
+/**** config.c ****/
+
+E char *RemoteServer;
+E int RemotePort;
+E char *RemotePassword;
+E char *RemoteServer2;
+E int RemotePort2;
+E char *RemotePassword2;
+E char *RemoteServer3;
+E int RemotePort3;
+E char *RemotePassword3;
+E char *LocalHost;
+E int LocalPort;
+
+E char *ServerName;
+E char *ServerDesc;
+E char *ServiceUser;
+E char *ServiceHost;
+
+E char *HelpChannel;
+E char *LogChannel;
+E char **NetworkDomains;
+E int DomainNumber;
+E char *NetworkName;
+
+E char *s_NickServ;
+E char *s_ChanServ;
+E char *s_MemoServ;
+E char *s_BotServ;
+E char *s_HelpServ;
+E char *s_OperServ;
+E char *s_GlobalNoticer;
+E char *s_IrcIIHelp;
+E char *s_DevNull;
+E char *desc_NickServ;
+E char *desc_ChanServ;
+E char *desc_MemoServ;
+E char *desc_BotServ;
+E char *desc_HelpServ;
+E char *desc_OperServ;
+E char *desc_GlobalNoticer;
+E char *desc_IrcIIHelp;
+E char *desc_DevNull;
+
+E char *HostDBName;
+E char *desc_HostServ;
+E char *s_HostServ;
+E void load_hs_dbase(void);
+E void save_hs_dbase(void);
+E void save_hs_rdb_dbase(void);
+E int do_on_id(User *u);
+E void delHostCore(char *nick);
+E void hostserv(User *u, char *buf);
+
+E char *s_NickServAlias;
+E char *s_ChanServAlias;
+E char *s_MemoServAlias;
+E char *s_BotServAlias;
+E char *s_HelpServAlias;
+E char *s_OperServAlias;
+E char *s_GlobalNoticerAlias;
+E char *s_DevNullAlias;
+E char *s_HostServAlias;
+E char *desc_NickServAlias;
+E char *desc_ChanServAlias;
+E char *desc_MemoServAlias;
+E char *desc_BotServAlias;
+E char *desc_HelpServAlias;
+E char *desc_OperServAlias;
+E char *desc_GlobalNoticerAlias;
+E char *desc_DevNullAlias;
+E char *desc_HostServAlias;
+
+E char *PIDFilename;
+E char *MOTDFilename;
+E char *NickDBName;
+E char *PreNickDBName;
+E char *ChanDBName;
+E char *BotDBName;
+E char *OperDBName;
+E char *AutokillDBName;
+E char *NewsDBName;
+
+E int NoBackupOkay;
+E int StrictPasswords;
+E int BadPassLimit;
+E int BadPassTimeout;
+E int UpdateTimeout;
+E int ExpireTimeout;
+E int ReadTimeout;
+E int WarningTimeout;
+E int TimeoutCheck;
+E int KeepLogs;
+E int KeepBackups;
+E int ForceForbidReason;
+E int UsePrivmsg;
+E int DumpCore;
+E int LogUsers;
+
+E char **HostSetters;
+E int HostNumber;
+
+E int UseMail;
+E char *SendMailPath;
+E char *SendFrom;
+E int RestrictMail;
+E int MailDelay;
+E int DontQuoteAddresses;
+
+E int ProxyDetect;
+E int ProxyThreads;
+E char *ProxyMessage[8];
+E int ProxyCheckWingate;
+E int ProxyCheckSocks4;
+E int ProxyCheckSocks5;
+E int ProxyCheckHTTP1;
+E int ProxyCheckHTTP2;
+E int ProxyCheckHTTP3;
+E int ProxyTimeout;
+E char *ProxyTestServer;
+E int ProxyTestPort;
+E int ProxyExpire;
+E int ProxyCacheExpire;
+E char *ProxyAkillReason;
+E int WallProxy;
+E int ProxyMax;
+
+E int NSDefFlags;
+E int NSDefLanguage;
+E int NSRegDelay;
+E int NSExpire;
+E int NSRExpire;
+E int NSForceEmail;
+E int NSMaxAliases;
+E int NSAccessMax;
+E char *NSEnforcerUser;
+E char *NSEnforcerHost;
+E int NSReleaseTimeout;
+E int NSAllowKillImmed;
+E int NSNoGroupChange;
+E int NSListOpersOnly;
+E int NSListMax;
+E char *NSGuestNickPrefix;
+E int NSSecureAdmins;
+E int NSStrictPrivileges;
+E int NSEmailReg;
+E int NSModeOnID;
+E int NSRestrictGetPass;
+
+E int CSDefFlags;
+E int CSMaxReg;
+E int CSExpire;
+E int CSDefBantype;
+E int CSAccessMax;
+E int CSAutokickMax;
+E char *CSAutokickReason;
+E int CSInhabit;
+E int CSListOpersOnly;
+E int CSListMax;
+E int CSRestrictGetPass;
+E int CSOpersOnly;
+
+E int MSMaxMemos;
+E int MSSendDelay;
+E int MSNotifyAll;
+
+E int BSDefFlags;
+E int BSKeepData;
+E int BSMinUsers;
+E int BSBadWordsMax;
+E int BSSmartJoin;
+E int BSGentleBWReason;
+
+E int HideStatsO;
+E int GlobalOnCycle;
+E int AnonymousGlobal;
+E char *GlobalOnCycleMessage;
+E char *GlobalOnCycleUP;
+E char **ServicesRoots;
+E int RootNumber;
+E int LogMaxUsers;
+E int SuperAdmin;
+E int LogBot;
+E int AutokillExpiry;
+E int ChankillExpiry;
+E int SGLineExpiry;
+E int SQLineExpiry;
+E int SZLineExpiry;
+E int AkillOnAdd;
+E int DisableRaw;
+E int WallOper;
+E int WallBadOS;
+E int WallOSGlobal;
+E int WallOSMode;
+E int WallOSClearmodes;
+E int WallOSKick;
+E int WallOSAkill;
+E int WallOSSGLine;
+E int WallOSSQLine;
+E int WallOSSZLine;
+E int WallOSNoOp;
+E int WallOSJupe;
+E int WallOSRaw;
+E int WallAkillExpire;
+E int WallSGLineExpire;
+E int WallSQLineExpire;
+E int WallSZLineExpire;
+E int WallExceptionExpire;
+E int WallDrop;
+E int WallForbid;
+E int WallGetpass;
+E int WallSetpass;
+E int CheckClones;
+E int CloneMinUsers;
+E int CloneMaxDelay;
+E int CloneWarningDelay;
+E int KillClones;
+E int AddAkiller;
+
+E char **ModulesAutoload;
+E int ModulesNumber;
+E char **ModulesDelayedAutoload;
+E int ModulesDelayedNumber;
+
+
+E int KillClonesAkillExpire;
+
+E int LimitSessions;
+E int DefSessionLimit;
+E int ExceptionExpiry;
+E int MaxSessionKill;
+E int MaxSessionLimit;
+E int SessionAutoKillExpiry;
+E char *ExceptionDBName;
+E char *SessionLimitDetailsLoc;
+E char *SessionLimitExceeded;
+
+#ifdef USE_RDB
+E int rdb_init();
+E int rdb_open();
+E int rdb_close();
+E int rdb_tag_table(char *table);
+E int rdb_tag_table(char *table);
+E int rdb_clear_table(char *table);
+E int rdb_scrub_table(char *table, char *clause);
+E int rdb_direct_query(char *query);
+E int rdb_ns_set_display(char *newnick, char *oldnick);
+E int rdb_cs_set_founder(char *channel, char *founder);
+E int rdb_cs_deluser(char *nick);
+E int rdb_cs_delchan(ChannelInfo * ci);
+E void rdb_save_ns_core(NickCore * nc);
+E void rdb_save_ns_alias(NickAlias * na);
+E void rdb_save_ns_req(NickRequest * nr);
+E void rdb_save_cs_info(ChannelInfo * ci);
+E void rdb_save_bs_core(BotInfo * bi);
+E void rdb_save_bs_rdb_core(BotInfo * bi);
+E void rdb_save_hs_core(HostCore * hc);
+E void rdb_save_os_db(unsigned int maxucnt, unsigned int maxutime,
+ SList * ak, SList * sgl, SList * sql, SList * szl,
+ HostCache * hc);
+E void rdb_save_news(NewsItem * ni);
+E void rdb_save_exceptions(Exception * e);
+#endif
+
+#ifdef USE_MYSQL
+E char *MysqlHost;
+E char *MysqlUser;
+E char *MysqlPass;
+E char *MysqlName;
+E int MysqlPort;
+E char *MysqlSock;
+E char *MysqlSecure;
+E int MysqlRetries;
+E int MysqlRetryGap;
+#endif
+
+E int read_config(int reload);
+
+E int DefConLevel;
+E int DefCon[6];
+E int checkDefCon(int level);
+E void resetDefCon(int level);
+E int DefConSessionLimit;
+E char *DefConTimeOut;
+E char *DefConAKILL;
+E char *DefConChanModes;
+E int GlobalOnDefcon;
+E int GlobalOnDefconMore;
+E char *DefconMessage;
+E char *DefConAkillReason;
+E char *DefConOffMessage;
+
+/**** converter.c ****/
+
+E int convert_ircservices_44(void);
+
+/**** init.c ****/
+
+E void introduce_user(const char *user);
+E int init(int ac, char **av);
+E int servernum;
+
+/**** language.c ****/
+
+E char **langtexts[NUM_LANGS];
+E char *langnames[NUM_LANGS];
+E int langlist[NUM_LANGS];
+
+E void lang_init(void);
+#define getstring(na,index) \
+ (langtexts[((na)&&((NickAlias*)na)->nc&&!(((NickAlias*)na)->status & NS_VERBOTEN)?((NickAlias*)na)->nc->language:NSDefLanguage)][(index)])
+#define getstring2(nc,index) \
+ (langtexts[((nc)?((NickCore*)nc)->language:NSDefLanguage)][(index)])
+E int strftime_lang(char *buf, int size, User *u, int format, struct tm *tm);
+E void syntax_error(const char *service, User *u, const char *command, int msgnum);
+
+
+/**** list.c ****/
+
+E void do_listnicks(int ac, char **av);
+E void do_listchans(int ac, char **av);
+
+
+/**** log.c ****/
+
+E int open_log(void);
+E void close_log(void);
+E void alog(const char *fmt, ...) FORMAT(printf,1,2);
+E void log_perror(const char *fmt, ...) FORMAT(printf,1,2);
+E void fatal(const char *fmt, ...) FORMAT(printf,1,2);
+E void fatal_perror(const char *fmt, ...) FORMAT(printf,1,2);
+
+/**** mail.c ****/
+
+E MailInfo *MailBegin(User *u, NickCore *nc, char *subject, char *service);
+E MailInfo *MailRegBegin(User *u, NickRequest *nr, char *subject, char *service);
+E void MailEnd(MailInfo *mail);
+E void MailReset(User *u, NickCore *nc);
+E int MailValidate(const char *email);
+
+/**** main.c ****/
+
+E const char version_number[];
+E const char version_build[];
+E const char version_protocol[];
+E const char version_flags[];
+
+E char *services_dir;
+E char *log_filename;
+E int debug;
+E int readonly;
+E int logchan;
+E int skeleton;
+E int nofork;
+E int forceload;
+E int noexpire;
+
+#ifdef USE_RDB
+E int do_mysql;
+#endif
+
+E int is44;
+
+E int quitting;
+E int delayed_quit;
+E char *quitmsg;
+E char inbuf[BUFSIZE];
+E int servsock;
+E int save_data;
+E int got_alarm;
+E time_t start_time;
+
+E void save_databases(void);
+
+/**** memory.c ****/
+
+E void *smalloc(long size);
+E void *scalloc(long elsize, long els);
+E void *srealloc(void *oldptr, long newsize);
+E char *sstrdup(const char *s);
+
+
+/**** memoserv.c ****/
+
+E void ms_init(void);
+E void memoserv(User *u, char *buf);
+E void check_memos(User *u);
+
+
+/**** misc.c ****/
+
+E char *strscpy(char *d, const char *s, size_t len);
+E char *stristr(char *s1, char *s2);
+E char *strnrepl(char *s, int32 size, const char *old, const char *new);
+
+E char *merge_args(int argc, char **argv);
+
+E int match_wild(const char *pattern, const char *str);
+E int match_wild_nocase(const char *pattern, const char *str);
+
+E int dotime(const char *s);
+E char *duration(NickAlias *na, char *buf, int bufsize, time_t seconds);
+E char *expire_left(NickAlias *na, char *buf, int len, time_t expires);
+
+typedef int (*range_callback_t)(User *u, int num, va_list args);
+E int process_numlist(const char *numstr, int *count_ret,
+ range_callback_t callback, User *u, ...);
+
+E int isValidHost(const char *host, int type);
+E int isvalidchar(char c);
+
+E char *myStrGetToken(const char *str, const char dilim, int token_number);
+E char *myStrGetOnlyToken(const char *str, const char dilim,
+ int token_number);
+E char *myStrSubString(const char *src, int start, int end);
+E char *myStrGetTokenRemainder(const char *str, const char dilim,
+ int token_number);
+E void doCleanBuffer(char *str);
+
+/**** news.c ****/
+
+E void get_news_stats(long *nrec, long *memuse);
+E void load_news(void);
+E void save_news(void);
+E void save_rdb_news(void);
+E void display_news(User *u, int16 type);
+E int do_logonnews(User *u);
+E int do_opernews(User *u);
+E int do_randomnews(User *u);
+
+
+/**** nickserv.c ****/
+
+E NickAlias *nalists[1024];
+E NickCore *nclists[1024];
+E NickRequest *nrlists[1024];
+
+E void listnicks(int count_only, const char *nick);
+E void get_aliases_stats(long *nrec, long *memuse);
+E void get_core_stats(long *nrec, long *memuse);
+
+E void ns_init(void);
+E void nickserv(User *u, char *buf);
+E void load_ns_dbase(void);
+E void load_ns_req_db(void);
+E void save_ns_dbase(void);
+E void save_ns_req_dbase(void);
+E void save_ns_rdb_dbase(void);
+E void save_ns_req_rdb_dbase(void);
+E int validate_user(User *u);
+E void cancel_user(User *u);
+E int nick_identified(User *u);
+E int nick_recognized(User *u);
+E void expire_nicks(void);
+E void expire_requests(void);
+E int ns_do_register(User * u);
+
+E int delnick(NickAlias *na);
+E NickAlias *findnick(const char *nick);
+E NickCore *findcore(const char *nick);
+E void clean_ns_timeouts(NickAlias *na);
+
+/**** helpserv.c ****/
+E void helpserv(User *u, char *buf);
+E void helpserv_init(void);
+
+/**** hostserv.c ****/
+E void hostserv_init(void);
+
+/**** operserv.c ****/
+
+E SList servadmins;
+E SList servopers;
+
+E void operserv(User *u, char *buf);
+E void os_init(void);
+E void load_os_dbase(void);
+E void save_os_dbase(void);
+E void save_os_rdb_dbase(void);
+
+E void os_remove_nick(NickCore *nc);
+E int is_services_root(User *u);
+E int is_services_admin(User *u);
+E int is_services_oper(User *u);
+E int nick_is_services_admin(NickCore *nc);
+E int nick_is_services_oper(NickCore *nc);
+
+E int add_akill(User *u, char *mask, const char *by, const time_t expires, const char *reason);
+E int check_akill(const char *nick, const char *username, const char *host, const char *vhost, const char *ip);
+E void expire_akills(void);
+E void oper_global(char *nick, char *fmt, ...);
+#ifdef IRC_BAHAMUT
+E int add_sgline(User *u, char *mask, const char *by, const time_t expires, const char *reason);
+E int check_sgline(const char *nick, const char *realname);
+E void expire_sglines(void);
+#endif
+
+E int add_sqline(User *u, char *mask, const char *by, const time_t expires, const char *reason);
+E int check_sqline(const char *nick, int nick_change);
+#ifdef IRC_BAHAMUT
+E int check_chan_sqline(const char *chan);
+#endif
+E void expire_sqlines(void);
+
+#ifdef IRC_BAHAMUT
+E int add_szline(User *u, char *mask, const char *by, const time_t expires, const char *reason);
+E void expire_szlines(void);
+#endif
+
+E void check_clones(User *user);
+
+E void delete_ignore(const char *nick);
+
+/**** process.c ****/
+
+E int allow_ignore;
+E IgnoreData *ignore[];
+
+E void add_ignore(const char *nick, time_t delta);
+E IgnoreData *get_ignore(const char *nick);
+
+E int split_buf(char *buf, char ***argv, int colon_special);
+E void process(void);
+
+/**** protocol.c ****/
+
+E void s_akill(char *user, char *host, char *who, time_t when, time_t expires, char *reason);
+E void s_rakill(char *user, char *host);
+E void s_sgline(char *mask, char *reason);
+E void s_sqline(char *mask, char *reason);
+E void s_svsnoop(char *server, int set);
+E void s_szline(char *mask, char *reason);
+E void s_unsgline(char *mask);
+E void s_unsqline(char *mask);
+E void s_unszline(char *mask);
+
+/**** proxy.c ****/
+
+E HostCache *hcache[1024];
+
+E void get_proxy_stats(long *nrec, long *memuse);
+E void ntoa(struct in_addr addr, char *ipaddr, int len);
+E int proxy_check(char *nick, char *host, uint32 ip);
+E void proxy_expire();
+E int proxy_init(void);
+
+E int do_cache(User *u);
+
+/**** send.c ****/
+
+E void send_cmd(const char *source, const char *fmt, ...)
+ FORMAT(printf,2,3);
+E void vsend_cmd(const char *source, const char *fmt, va_list args)
+ FORMAT(printf,2,0);
+
+E void wallops(const char *source, const char *fmt, ...)
+ FORMAT(printf,2,3);
+
+E void notice(const char *source, const char *dest, const char *fmt, ...)
+ FORMAT(printf,3,4);
+E void notice_user(const char *source, User *u, const char *fmt, ...)
+ FORMAT(printf,3,4);
+
+E void notice_list(const char *source, const char *dest, const char **text);
+E void notice_lang(const char *source, User *dest, int message, ...);
+E void notice_help(const char *source, User *dest, int message, ...);
+
+E void privmsg(const char *source, const char *dest, const char *fmt, ...)
+ FORMAT(printf,3,4);
+
+/**** sessions.c ****/
+
+E void get_session_stats(long *nrec, long *memuse);
+E void get_exception_stats(long *nrec, long *memuse);
+
+E int do_session(User *u);
+E int add_session(const char *nick, const char *host);
+E void del_session(const char *host);
+
+E void load_exceptions(void);
+E void save_exceptions(void);
+E void save_rdb_exceptions(void);
+E int do_exception(User *u);
+E void expire_exceptions(void);
+
+/**** sockutil.c ****/
+
+E int32 total_read, total_written;
+E int32 read_buffer_len(void);
+E int32 write_buffer_len(void);
+
+E int sgetc(int s);
+E char *sgets(char *buf, int len, int s);
+E char *sgets2(char *buf, int len, int s);
+E int sread(int s, char *buf, int len);
+E int sputs(char *str, int s);
+E int sockprintf(int s, char *fmt,...);
+E int conn(const char *host, int port, const char *lhost, int lport);
+E void disconn(int s);
+
+/**** users.c ****/
+
+E User *userlist[1024];
+
+E int32 usercnt, opcnt, maxusercnt;
+E time_t maxusertime;
+
+E void set_umode(User *user, int ac, char **av);
+
+E void get_user_stats(long *nusers, long *memuse);
+E User *finduser(const char *nick);
+E User *firstuser(void);
+E User *nextuser(void);
+
+#if defined(IRC_ULTIMATE) || defined(IRC_UNREAL) || defined(IRC_ULTIMATE3) || defined(IRC_VIAGRA) || defined(IRC_PTLINK)
+E void change_user_host(User *user, const char *host);
+E void change_user_username(User *user, const char *username);
+E void change_user_realname(User *user, const char *realname);
+#endif
+
+E User *do_nick(const char *source, char *nick, char *username, char *host, char *server, char *realname, time_t ts, uint32 svid, ...);
+E void do_umode(const char *source, int ac, char **av);
+E void do_quit(const char *source, int ac, char **av);
+E void do_kill(const char *source, int ac, char **av);
+
+E int is_oper(User *user);
+E int is_protected(User *user);
+
+#if defined(IRC_ULTIMATE) || defined(IRC_UNREAL) || defined(IRC_ULTIMATE3) || defined(IRC_VIAGRA) || defined(IRC_HYBRID)
+E int is_excepted(ChannelInfo *ci, User *user);
+E int is_excepted_mask(ChannelInfo *ci, char *mask);
+#endif
+
+E int match_usermask(const char *mask, User *user);
+E void split_usermask(const char *mask, char **nick, char **user, char **host);
+E char *create_mask(User *u);
+
+#ifdef USE_MYSQL
+/**** mysql.c ****/
+E MYSQL *mysql;
+E MYSQL_RES *mysql_res;
+E MYSQL_FIELD *mysql_fields;
+E MYSQL_ROW mysql_row;
+
+E int db_mysql_init();
+E int db_mysql_open();
+E int db_mysql_close();
+E int db_mysql_query(char *sql);
+E char *db_mysql_quote(char *sql);
+E void db_mysql_save_ns_core(NickCore * nc);
+E void db_mysql_save_ns_alias(NickAlias * na);
+E void db_mysql_save_ns_req(NickRequest * nr);
+E void db_mysql_save_cs_info(ChannelInfo * ci);
+E void db_mysql_save_os_db(unsigned int maxucnt, unsigned int maxutime, SList *ak, SList *sgl, SList *sql, SList *szl, HostCache *hc);
+E void db_mysql_save_news(NewsItem * ni);
+E void db_mysql_save_exceptions(Exception * e);
+E void db_mysql_save_hs_core(HostCore * hc);
+E void db_mysql_save_bs_core(BotInfo * bi);
+#endif
+
+
+#endif /* EXTERN_H */