BOOL check_access(int snum); BOOL allow_access(char *deny_list,char *allow_list,struct from_host *client); BOOL fromhost(int sock,struct from_host *f); char *unix2dos_format(char *str,BOOL overwrite); char *dos2unix_format(char *str, BOOL overwrite); int interpret_character_set(char *str, int def); void charset_initialise(void); void add_char_string(char *s); BOOL chat_with_program(char *passwordprogram,char *name,char *chatsequence); BOOL chgpasswd(char *name,char *oldpass,char *newpass); BOOL chgpasswd(char *name,char *oldpass,char *newpass); void setup_pkt(char *outbuf); void do_dir(char *inbuf,char *outbuf,char *Mask,int attribute,void (*fn)(),BOOL recurse_dir); void cmd_help(void); BOOL reopen_connection(char *inbuf,char *outbuf); char *smb_errstr(char *inbuf); void cli_setup_pkt(char *outbuf); BOOL cli_receive_trans_response(char *inbuf,int trans,int *data_len, int *param_len, char **data,char **param); BOOL cli_send_session_request(char *inbuf, char *outbuf); BOOL cli_send_login(char *inbuf, char *outbuf, BOOL start_session, BOOL use_setup); void cli_send_logout(void); BOOL cli_call_api(int prcnt,int drcnt,int mprcnt,int mdrcnt,int *rprcnt, int *rdrcnt, char *param,char *data, char **rparam,char **rdata); BOOL cli_send_trans_request(char *outbuf, int trans, char *name, int fid, int flags, char *data,char *param,uint16 *setup, int ldata,int lparam, int lsetup,int mdata,int mparam,int msetup); BOOL cli_open_sockets(int port); BOOL cli_reopen_connection(char *inbuf,char *outbuf); char *smb_errstr(char *inbuf); int strslashcmp(const char *s1, const char *s2); void cmd_block(void); void cmd_tarmode(void); void cmd_setmode(void); void cmd_tar(char *inbuf, char *outbuf); int process_tar(char *inbuf, char *outbuf); int clipfind(char **aret, int ret, char *tok); int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind); void init_dptrs(void); char *dptr_path(int key); char *dptr_wcard(int key); BOOL dptr_set_wcard(int key, char *wcard); BOOL dptr_set_attr(int key, uint16 attr); uint16 dptr_attr(int key); void dptr_close(int key); void dptr_closecnum(int cnum); void dptr_idlecnum(int cnum); void dptr_closepath(char *path,int pid); int dptr_create(int cnum,char *path, BOOL expect_close,int pid); BOOL dptr_fill(char *buf1,unsigned int key); BOOL dptr_zero(char *buf); void *dptr_fetch(char *buf,int *num); void *dptr_fetch_lanman2(char *params,int dptr_num); BOOL dir_check_ftype(int cnum,int mode,struct stat *st,int dirtype); BOOL get_dir_entry(int cnum,char *mask,int dirtype,char *fname,int *size,int *mode,time_t *date,BOOL check_descend); void *OpenDir(char *name); void CloseDir(void *p); char *ReadDirName(void *p); BOOL SeekDir(void *p,int pos); int TellDir(void *p); void DirCacheAdd(char *path,char *name,char *dname,int snum); char *DirCacheCheck(char *path,char *name,int snum); void DirCacheFlush(int snum); void fault_setup(void (*fn)()); char *getsmbpass(char *prompt) ; void load_interfaces(void); void iface_set_default(char *ip,char *bcast,char *nmask); BOOL ismyip(struct in_addr ip); BOOL ismybcast(struct in_addr bcast); struct in_addr *iface_bcast(struct in_addr ip); struct in_addr *iface_nmask(struct in_addr ip); struct in_addr *iface_ip(struct in_addr ip); int reply_trans(char *inbuf,char *outbuf); int interpret_coding_system(char *str, int def); char *lp_string(char *s); BOOL lp_add_home(char *pszHomename, int iDefaultService, char *pszHomedir); int lp_add_service(char *pszService, int iDefaultService); BOOL lp_add_printer(char *pszPrintername, int iDefaultService); BOOL lp_file_list_changed(void); BOOL lp_snum_ok(int iService); BOOL lp_loaded(void); void lp_killunused(BOOL (*snumused)(int )); BOOL lp_load(char *pszFname,BOOL global_only); int lp_numservices(void); void lp_dump(void); int lp_servicenumber(char *pszServiceName); char *my_workgroup(void); char *volume_label(int snum); BOOL is_locked(int fnum,int cnum,uint32 count,uint32 offset); BOOL do_lock(int fnum,int cnum,uint32 count,uint32 offset,int *eclass,uint32 *ecode); BOOL do_unlock(int fnum,int cnum,uint32 count,uint32 offset,int *eclass,uint32 *ecode); int get_share_mode_by_fnum(int cnum,int fnum,int *pid); int get_share_mode_byname(int cnum,char *fname,int *pid); int get_share_mode(int cnum,struct stat *sbuf,int *pid); void del_share_mode(int fnum); BOOL set_share_mode(int fnum,int mode); void clean_share_files(void); int str_checksum(char *s); BOOL is_8_3(char *fname); void create_mangled_stack(int size); BOOL check_mangled_stack(char *s); BOOL is_mangled(char *s); void mangle_name_83(char *s); BOOL name_map_mangle(char *OutName,BOOL need83,int snum); int reply_sends(char *inbuf,char *outbuf); int reply_sendstrt(char *inbuf,char *outbuf); int reply_sendtxt(char *inbuf,char *outbuf); int reply_sendend(char *inbuf,char *outbuf); void announce_request(struct work_record *work, struct in_addr ip); void do_announce_request(char *info, char *to_name, int announce_type, int from, int to, struct in_addr dest_ip); void announce_backup(void); void announce_host(void); void announce_master(void); struct work_record *remove_workgroup(struct domain_record *d, struct work_record *work); void expire_browse_cache(time_t t); struct work_record *find_workgroupstruct(struct domain_record *d, fstring name, BOOL add); struct domain_record *find_domain(struct in_addr source_ip); void dump_workgroups(void); struct domain_record *add_domain_entry(struct in_addr source_ip, struct in_addr source_mask, char *name, BOOL add); struct browse_cache_record *add_browser_entry(char *name, int type, char *wg, time_t ttl, struct in_addr ip); struct server_record *add_server_entry(struct domain_record *d, struct work_record *work, char *name,int servertype, int ttl,char *comment, BOOL replace); void write_browse_list(void); void expire_servers(time_t t); void check_master_browser(void); void browser_gone(char *work_name, struct in_addr ip); void send_election(struct domain_record *d, char *group,uint32 criterion, int timeup,char *name); void become_nonmaster(struct domain_record *d, struct work_record *work); void run_elections(void); void process_election(struct packet_struct *p,char *buf); BOOL check_elections(void); BOOL name_status(int fd,char *name,int name_type,BOOL recurse, struct in_addr to_ip,char *master,char *rname, void (*fn)()); BOOL name_query(int fd,char *name,int name_type, BOOL bcast,BOOL recurse, struct in_addr to_ip, struct in_addr *ip,void (*fn)()); void expire_netbios_response_entries(time_t t); void reply_netbios_packet(struct packet_struct *p1,int trn_id,int rcode,int opcode, struct nmb_name *rr_name,int rr_type,int rr_class,int ttl, char *data,int len); uint16 initiate_netbios_packet(int fd,int quest_type,char *name,int name_type, int nb_flags,BOOL bcast,BOOL recurse, struct in_addr to_ip); void queue_netbios_pkt_wins(int fd,int quest_type,enum cmd_type cmd, char *name,int name_type,int nb_flags, BOOL bcast,BOOL recurse,struct in_addr to_ip); void queue_netbios_packet(int fd,int quest_type,enum cmd_type cmd,char *name, int name_type,int nb_flags,BOOL bcast,BOOL recurse, struct in_addr to_ip); struct name_response_record *find_name_query(uint16 id); void queue_packet(struct packet_struct *packet); void run_packet_queue(); void listen_for_packets(BOOL run_election); BOOL interpret_node_status(char *p, struct nmb_name *name,int t, char *serv_name, struct in_addr ip); BOOL send_mailslot_reply(char *mailslot,int fd,char *buf,int len,char *srcname, char *dstname,int src_type,int dest_type, struct in_addr dest_ip,struct in_addr src_ip); void remove_name(struct name_record *n); void dump_names(void); void remove_netbios_name(char *name,int type, enum name_source source, struct in_addr ip); struct name_record *add_netbios_entry(char *name, int type, int nb_flags, int ttl, enum name_source source, struct in_addr ip, BOOL new_only); void remove_name_entry(char *name,int type); void add_name_entry(char *name,int type,int nb_flags); void add_my_names(void); void refresh_my_names(time_t t); void expire_names(time_t t); void response_name_release(struct packet_struct *p); void reply_name_release(struct packet_struct *p); void response_name_reg(struct packet_struct *p); void reply_name_reg(struct packet_struct *p); void reply_name_status(struct packet_struct *p); struct name_record *search_for_name(struct nmb_name *question, struct in_addr ip, int Time, int search); void process_nmb(struct packet_struct *p); void reset_server(char *name, int state, struct in_addr ip); void tell_become_backup(void); void do_browser_lists(void); void sync_server(enum cmd_type cmd, char *serv_name, char *work_name, int name_type, struct in_addr ip); void update_from_reg(char *name, int type, struct in_addr ip); void add_my_domains(void); BOOL same_context(struct dgram_packet *dgram); BOOL listening_name(struct work_record *work, struct nmb_name *n); void process_logon_packet(struct packet_struct *p,char *buf,int len); BOOL listening_type(struct packet_struct *p, int command); void process_browse_packet(struct packet_struct *p,char *buf,int len); void process_dgram(struct packet_struct *p); BOOL reload_services(BOOL test); void debug_nmb_packet(struct packet_struct *p); char *namestr(struct nmb_name *n); void free_nmb_packet(struct nmb_packet *nmb); void free_packet(struct packet_struct *packet); struct packet_struct *read_packet(int fd,enum packet_type packet_type); void make_nmb_name(struct nmb_name *n,char *name,int type,char *this_scope); BOOL send_packet(struct packet_struct *p); struct packet_struct *receive_packet(int fd,enum packet_type type,int t); int main(int argc,char *argv[]); char *getsmbpass(char *pass); void sync_browse_lists(struct work_record *work, char *name, int nm_type, struct in_addr ip); BOOL pm_process(char *pszFileName,BOOL (*sfunc)(char *),BOOL (*pfunc)(char *,char *)); void generate_next_challenge(char *challenge); BOOL set_challenge(char *challenge); BOOL last_challenge(char *challenge); int valid_uid(int uid); user_struct *get_valid_user_struct(int uid); void invalidate_uid(int uid); char *validated_username(int vuid); void register_uid(int uid,int gid, char *name,BOOL guest); void add_session_user(char *user); void dfs_unlogin(void); BOOL password_check(char *password); BOOL smb_password_check(char *password, unsigned char *part_passwd, unsigned char *c8); BOOL password_ok(char *user,char *password, int pwlen, struct passwd *pwd, BOOL is_nt_password); BOOL user_ok(char *user,int snum); BOOL authorise_login(int snum,char *user,char *password, int pwlen, BOOL *guest,BOOL *force,int vuid); BOOL check_hosts_equiv(char *user); BOOL server_cryptkey(char *buf); BOOL server_validate(char *buf); BOOL pcap_printername_ok(char *pszPrintername, char *pszPrintcapname); void pcap_printer_fn(void (*fn)()); void lpq_reset(int snum); void print_file(int fnum); int get_printqueue(int snum,int cnum,print_queue_struct **queue, print_status_struct *status); void del_printqueue(int cnum,int snum,int jobid); void status_printjob(int cnum,int snum,int jobid,int status); int reply_special(char *inbuf,char *outbuf); int reply_tcon(char *inbuf,char *outbuf); int reply_tcon_and_X(char *inbuf,char *outbuf,int length,int bufsize); int reply_unknown(char *inbuf,char *outbuf); int reply_ioctl(char *inbuf,char *outbuf); int reply_sesssetup_and_X(char *inbuf,char *outbuf,int length,int bufsize); int reply_chkpth(char *inbuf,char *outbuf); int reply_getatr(char *inbuf,char *outbuf); int reply_setatr(char *inbuf,char *outbuf); int reply_dskattr(char *inbuf,char *outbuf); int reply_search(char *inbuf,char *outbuf); int reply_fclose(char *inbuf,char *outbuf); int reply_open(char *inbuf,char *outbuf); int reply_open_and_X(char *inbuf,char *outbuf,int length,int bufsize); int reply_ulogoffX(char *inbuf,char *outbuf,int length,int bufsize); int reply_mknew(char *inbuf,char *outbuf); int reply_ctemp(char *inbuf,char *outbuf); int reply_unlink(char *inbuf,char *outbuf); int reply_readbraw(char *inbuf, char *outbuf); int reply_lockread(char *inbuf,char *outbuf); int reply_read(char *inbuf,char *outbuf); int reply_read_and_X(char *inbuf,char *outbuf,int length,int bufsize); int reply_writebraw(char *inbuf,char *outbuf); int reply_writeunlock(char *inbuf,char *outbuf); int reply_write(char *inbuf,char *outbuf,int dum1,int dum2); int reply_write_and_X(char *inbuf,char *outbuf,int length,int bufsize); int reply_lseek(char *inbuf,char *outbuf); int reply_flush(char *inbuf,char *outbuf); int reply_exit(char *inbuf,char *outbuf); int reply_close(char *inbuf,char *outbuf); int reply_writeclose(char *inbuf,char *outbuf); int reply_lock(char *inbuf,char *outbuf); int reply_unlock(char *inbuf,char *outbuf); int reply_tdis(char *inbuf,char *outbuf); int reply_echo(char *inbuf,char *outbuf); int reply_printopen(char *inbuf,char *outbuf); int reply_printclose(char *inbuf,char *outbuf); int reply_printqueue(char *inbuf,char *outbuf); int reply_printwrite(char *inbuf,char *outbuf); int reply_mkdir(char *inbuf,char *outbuf); int reply_rmdir(char *inbuf,char *outbuf); int reply_mv(char *inbuf,char *outbuf); int reply_copy(char *inbuf,char *outbuf); int reply_setdir(char *inbuf,char *outbuf); int reply_lockingX(char *inbuf,char *outbuf,int length,int bufsize); int reply_readbmpx(char *inbuf,char *outbuf,int length,int bufsize); int reply_writebmpx(char *inbuf,char *outbuf); int reply_writebs(char *inbuf,char *outbuf); int reply_setattrE(char *inbuf,char *outbuf); int reply_getattrE(char *inbuf,char *outbuf); mode_t unix_mode(int cnum,int dosmode); int dos_mode(int cnum,char *path,struct stat *sbuf); int dos_chmod(int cnum,char *fname,int dosmode,struct stat *st); BOOL unix_convert(char *name,int cnum); int disk_free(char *path,int *bsize,int *dfree,int *dsize); int sys_disk_free(char *path,int *bsize,int *dfree,int *dsize); BOOL check_name(char *name,int cnum); void open_file(int fnum,int cnum,char *fname1,int flags,int mode); void sync_file(int fnum); void close_file(int fnum); BOOL check_file_sharing(int cnum,char *fname); void open_file_shared(int fnum,int cnum,char *fname,int share_mode,int ofun, int mode,int *Access,int *action); int seek_file(int fnum,int pos); int read_file(int fnum,char *data,int pos,int mincnt,int maxcnt,int timeout,BOOL exact); int write_file(int fnum,char *data,int n); BOOL become_service(int cnum,BOOL do_chdir); int find_service(char *service); int cached_error_packet(char *inbuf,char *outbuf,int fnum,int line); int unix_error_packet(char *inbuf,char *outbuf,int def_class,uint32 def_code,int line); int error_packet(char *inbuf,char *outbuf,int error_class,uint32 error_code,int line); BOOL snum_used(int snum); BOOL reload_services(BOOL test); int setup_groups(char *user, int uid, int gid, int *p_ngroups, int **p_igroups, gid_t **p_groups); int make_connection(char *service,char *user,char *password, int pwlen, char *dev,int vuid); int find_free_file(void ); int reply_corep(char *outbuf); int reply_coreplus(char *outbuf); int reply_lanman1(char *outbuf); int reply_lanman2(char *outbuf); int reply_nt1(char *outbuf); void parse_connect(char *buf,char *service,char *user,char *password,int *pwlen,char *dev); void close_cnum(int cnum, int uid); BOOL yield_connection(int cnum,char *name,int max_connections); BOOL claim_connection(int cnum,char *name,int max_connections,BOOL Clear); void exit_server(char *reason); void standard_sub(int cnum,char *s); char *smb_fn_name(int type); int chain_reply(int type,char *inbuf,char *inbuf2,char *outbuf,char *outbuf2,int size,int bufsize); int construct_reply(char *inbuf,char *outbuf,int size,int bufsize); void str_to_key(uchar *str,uchar *key); void D1(uchar *k, uchar *d, uchar *out); void E1(uchar *k, uchar *d, uchar *out); void E_P16(uchar *p14,uchar *p16); void E_P24(uchar *p21, uchar *c8, uchar *p24); void SMBencrypt(uchar *passwd, uchar *c8, uchar *p24); void E_md4hash(uchar *passwd, uchar *p16); void SMBNTencrypt(uchar *passwd, uchar *c8, uchar *p24); void Ucrit_addUsername(pstring username); unsigned int Ucrit_checkUsername(pstring username); void Ucrit_addPid(int pid); unsigned int Ucrit_checkPid(int pid); int sys_select(fd_set *fds,struct timeval *tval); int sys_select(fd_set *fds,struct timeval *tval); int sys_unlink(char *fname); int sys_open(char *fname,int flags,int mode); DIR *sys_opendir(char *dname); int sys_stat(char *fname,struct stat *sbuf); int sys_lstat(char *fname,struct stat *sbuf); int sys_mkdir(char *dname,int mode); int sys_rmdir(char *dname); int sys_chdir(char *dname); int sys_utime(char *fname,struct utimbuf *times); int sys_rename(char *from, char *to); int sys_chown(char *fname,int uid,int gid); int sys_chroot(char *dname); int main(int argc, char *argv[]); void GetTimeOfDay(struct timeval *tval); void TimeInit(void); int TimeDiff(time_t t); struct tm *LocalTime(time_t *t); time_t interpret_long_date(char *p); void put_long_date(char *p,time_t t); void put_dos_date(char *buf,int offset,time_t unixdate); void put_dos_date2(char *buf,int offset,time_t unixdate); void put_dos_date3(char *buf,int offset,time_t unixdate); time_t make_unix_date(void *date_ptr); time_t make_unix_date2(void *date_ptr); time_t make_unix_date3(void *date_ptr); BOOL set_filetime(char *fname,time_t mtime); char *timestring(void ); int reply_findclose(char *inbuf,char *outbuf,int length,int bufsize); int reply_findnclose(char *inbuf,char *outbuf,int length,int bufsize); int reply_transs2(char *inbuf,char *outbuf,int length,int bufsize); int reply_trans2(char *inbuf,char *outbuf,int length,int bufsize); char *ufc_crypt(char *key,char *salt); void init_uid(void); BOOL become_guest(void); BOOL become_user(int cnum, int uid); BOOL unbecome_user(void ); int smbrun(char *cmd,char *outfile); char *get_home_dir(char *user); void map_username(char *user); struct passwd *Get_Pwnam(char *user,BOOL allow_change); BOOL user_in_list(char *user,char *list); void setup_logging(char *pname,BOOL interactive); void reopen_logs(void); BOOL fcntl_lock(int fd,int op,uint32 offset,uint32 count,int type); int file_lock(char *name,int timeout); void file_unlock(int fd); BOOL is_a_socket(int fd); BOOL next_token(char **ptr,char *buff,char *sep); char **toktocliplist(int *ctok, char *sep); void *MemMove(void *dest,void *src,int size); void array_promote(char *array,int elsize,int element); void set_socket_options(int fd, char *options); void close_sockets(void ); BOOL in_group(gid_t group, int current_gid, int ngroups, int *groups); char *StrCpy(char *dest,char *src); char *StrnCpy(char *dest,const char *src,int n); void putip(void *dest,void *src); int name_mangle(char *In,char *Out,char name_type); BOOL file_exist(char *fname,struct stat *sbuf); time_t file_modtime(char *fname); BOOL directory_exist(char *dname,struct stat *st); uint32 file_size(char *file_name); char *attrib_string(int mode); int StrCaseCmp(char *s, char *t); int StrnCaseCmp(char *s, char *t, int n); BOOL strequal(char *s1,char *s2); BOOL strnequal(char *s1,char *s2,int n); BOOL strcsequal(char *s1,char *s2); void strlower(char *s); void strupper(char *s); void strnorm(char *s); BOOL strisnormal(char *s); void string_replace(char *s,char oldc,char newc); void unix_format(char *fname); void dos_format(char *fname); void show_msg(char *buf); int smb_len(char *buf); void _smb_setlen(char *buf,int len); void smb_setlen(char *buf,int len); int set_message(char *buf,int num_words,int num_bytes,BOOL zero); int smb_numwords(char *buf); int smb_buflen(char *buf); int smb_buf_ofs(char *buf); char *smb_buf(char *buf); int smb_offset(char *p,char *buf); char *skip_string(char *buf,int n); BOOL trim_string(char *s,char *front,char *back); void dos_clean_name(char *s); void unix_clean_name(char *s); int ChDir(char *path); char *GetWd(char *str); BOOL reduce_name(char *s,char *dir,BOOL widelinks); void expand_mask(char *Mask,BOOL doext); BOOL strhasupper(char *s); BOOL strhaslower(char *s); int count_chars(char *s,char c); void make_dir_struct(char *buf,char *mask,char *fname,unsigned int size,int mode,time_t date); void close_low_fds(void); int write_socket(int fd,char *buf,int len); int read_udp_socket(int fd,char *buf,int len); int set_blocking(int fd, BOOL set); int read_with_timeout(int fd,char *buf,int mincnt,int maxcnt,long time_out,BOOL exact); int read_max_udp(int fd,char *buffer,int bufsize,int maxtime); int TvalDiff(struct timeval *tvalold,struct timeval *tvalnew); BOOL send_keepalive(int client); int read_data(int fd,char *buffer,int N); int write_data(int fd,char *buffer,int N); int read_predict(int fd,int offset,char *buf,char **ptr,int num); void do_read_prediction(); void invalidate_read_prediction(int fd); int transfer_file(int infd,int outfd,int n,char *header,int headlen,int align); int read_smb_length(int fd,char *inbuf,int timeout); BOOL receive_smb(int fd,char *buffer,int timeout); BOOL send_smb(int fd,char *buffer); char *name_ptr(char *buf,int ofs); int name_extract(char *buf,int ofs,char *name); int name_len(char *s); BOOL send_one_packet(char *buf,int len,struct in_addr ip,int port,int type); void msleep(int t); BOOL in_list(char *s,char *list,BOOL casesensitive); BOOL string_init(char **dest,char *src); void string_free(char **s); BOOL string_set(char **dest,char *src); BOOL string_sub(char *s,char *pattern,char *insert); BOOL do_match(char *str, char *regexp, int case_sig); BOOL mask_match(char *str, char *regexp, int case_sig,BOOL trans2); void become_daemon(void); BOOL yesno(char *p); char *fgets_slash(char *s2,int maxlen,FILE *f); int set_filelen(int fd, long len); int byte_checksum(char *buf,int len); char *dirname_dos(char *path,char *buf); void *Realloc(void *p,int size); void Abort(void ); BOOL get_myname(char *myname,struct in_addr *ip); BOOL ip_equal(struct in_addr ip1,struct in_addr ip2); int open_socket_in(int type, int port, int dlevel); int open_socket_out(int type, struct in_addr *addr, int port ); int interpret_protocol(char *str,int def); int interpret_security(char *str,int def); unsigned long interpret_addr(char *str); struct in_addr *interpret_addr2(char *str); BOOL zero_ip(struct in_addr ip); void standard_sub_basic(char *s); BOOL same_net(struct in_addr ip1,struct in_addr ip2,struct in_addr mask); int PutUniCode(char *dst,char *src); struct hostent *Get_Hostbyname(char *name); BOOL process_exists(int pid); char *uidtoname(int uid); char *gidtoname(int gid); void BlockSignals(BOOL block); void ajt_panic(void); char *readdirname(void *p); void *malloc_wrapped(int size,char *file,int line); void *realloc_wrapped(void *ptr,int size,char *file,int line); void free_wrapped(void *ptr,char *file,int line); char *Strstr(char *s, char *p); time_t Mktime(struct tm *t); int InNetGr(char *group,char *host,char *user,char *dom); void *memcpy_wrapped(void *d,void *s,int l,char *fname,int line); int VT_Check(char *buffer); int VT_Start_utmp(void); int VT_Stop_utmp(void); void VT_AtExit(void); void VT_SigCLD(int sig); void VT_SigEXIT(int sig); int VT_Start(void); int VT_Output(char *Buffer); int VT_Input(char *Buffer,int Size); void VT_Process(void);