/* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)externs.h 1.17 (Berkeley) 08/21/89 */ #ifdef CRAY #define USE_TERMIO #endif #include #include #include #ifdef USE_TERMIO #ifndef VINTR #include #endif #endif #define SUBBUFSIZE 256 extern int errno; /* outside this world */ extern char *strcat(), *strcpy(); /* outside this world */ extern int flushout, /* flush output */ connected, /* Are we connected to the other side? */ globalmode, /* Mode tty should be in */ In3270, /* Are we in 3270 mode? */ telnetport, /* Are we connected to the telnet port? */ localflow, /* Flow control handled locally */ localchars, /* we recognize interrupt/quit */ donelclchars, /* the user has set "localchars" */ showoptions, net, /* Network file descriptor */ tin, /* Terminal input file descriptor */ tout, /* Terminal output file descriptor */ crlf, /* Should '\r' be mapped to (or )? */ autoflush, /* flush output when interrupting? */ autosynch, /* send interrupt characters with SYNCH? */ SYNCHing, /* Is the stream in telnet SYNCH mode? */ donebinarytoggle, /* the user has put us in binary */ dontlecho, /* do we suppress local echoing right now? */ crmod, netdata, /* Print out network data flow */ prettydump, /* Print "netdata" output in user readable format */ #if defined(unix) #if defined(TN3270) cursesdata, /* Print out curses data flow */ #endif /* defined(TN3270) */ termdata, /* Print out terminal data flow */ #endif /* defined(unix) */ debug; /* Debug level */ extern char echoc, /* Toggle local echoing */ escape, /* Escape to command mode */ doopt[], dont[], will[], wont[], options[], /* All the little options */ *hostname, /* Who are we connected to? */ *prompt; /* Prompt for command. */ /* * We keep track of each side of the option negotiation. */ #define MY_STATE_WILL 0x01 #define MY_WANT_STATE_WILL 0x02 #define MY_STATE_DO 0x04 #define MY_WANT_STATE_DO 0x08 /* * Macros to check the current state of things */ #define my_state_is_do(opt) (options[opt]&MY_STATE_DO) #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL) #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO) #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL) #define my_state_is_dont(opt) (!my_state_is_do(opt)) #define my_state_is_wont(opt) (!my_state_is_will(opt)) #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt)) #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt)) #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;} #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;} #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;} #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;} #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;} #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;} #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;} #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;} /* * Make everything symetrical */ #define HIS_STATE_WILL MY_STATE_DO #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO #define HIS_STATE_DO MY_STATE_WILL #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL #define his_state_is_do my_state_is_will #define his_state_is_will my_state_is_do #define his_want_state_is_do my_want_state_is_will #define his_want_state_is_will my_want_state_is_do #define his_state_is_dont my_state_is_wont #define his_state_is_wont my_state_is_dont #define his_want_state_is_dont my_want_state_is_wont #define his_want_state_is_wont my_want_state_is_dont #define set_his_state_do set_my_state_will #define set_his_state_will set_my_state_do #define set_his_want_state_do set_my_want_state_will #define set_his_want_state_will set_my_want_state_do #define set_his_state_dont set_my_state_wont #define set_his_state_wont set_my_state_dont #define set_his_want_state_dont set_my_want_state_wont #define set_his_want_state_wont set_my_want_state_dont extern FILE *NetTrace; /* Where debugging output goes */ extern char NetTraceFile[]; /* Name of file where debugging output goes */ extern void SetNetTrace(); /* Function to change where debugging goes */ extern jmp_buf peerdied, toplevel; /* For error conditions. */ extern void command(), #if !defined(NOT43) dosynch(), #endif /* !defined(NOT43) */ Dump(), init_3270(), printoption(), printsub(), sendnaws(), setconnmode(), setcommandmode(), setneturg(), sys_telnet_init(), telnet(), TerminalFlushOutput(), TerminalNewMode(), TerminalRestoreState(), TerminalSaveState(), tninit(), upcase(), willoption(), wontoption(); #if defined(NOT43) extern int dosynch(); #endif /* defined(NOT43) */ #if !defined(MSDOS) # ifndef USE_TERMIO extern struct tchars ntc; extern struct ltchars nltc; extern struct sgttyb nttyb; # define termEofChar ntc.t_eofc # define termEraseChar nttyb.sg_erase # define termFlushChar nltc.t_flushc # define termIntChar ntc.t_intrc # define termKillChar nttyb.sg_kill # define termLiteralNextChar nltc.t_lnextc # define termQuitChar ntc.t_quitc # define termSuspChar nltc.t_suspc # define termRprntChar nltc.t_rprntc # define termWerasChar nltc.t_werasc # define termStartChar ntc.t_startc # define termStopChar ntc.t_stopc # define termEofCharp &ntc.t_eofc # define termEraseCharp &nttyb.sg_erase # define termFlushCharp &nltc.t_flushc # define termIntCharp &ntc.t_intrc # define termKillCharp &nttyb.sg_kill # define termLiteralNextCharp &nltc.t_lnextc # define termQuitCharp &ntc.t_quitc # define termSuspCharp &nltc.t_suspc # define termRprntCharp &nltc.t_rprntc # define termWerasCharp &nltc.t_werasc # define termStartCharp &ntc.t_startc # define termStopCharp &ntc.t_stopc # else extern struct termio new_tc; # define termEofChar new_tc.c_cc[VEOF] # define termEraseChar new_tc.c_cc[VERASE] # define termIntChar new_tc.c_cc[VINTR] # define termKillChar new_tc.c_cc[VKILL] # define termQuitChar new_tc.c_cc[VQUIT] extern char termSuspChar, termFlushChar, termWerasChar, termRprntChar, termLiteralNextChar, termStartChar, termStopChar; # ifndef CRAY # define termEofCharp &new_tc.c_cc[VEOF] # define termEraseCharp &new_tc.c_cc[VERASE] # define termIntCharp &new_tc.c_cc[VINTR] # define termKillCharp &new_tc.c_cc[VKILL] # define termQuitCharp &new_tc.c_cc[VQUIT] # else /* Work around a compiler bug */ # define termEofCharp 0 # define termEraseCharp 0 # define termIntCharp 0 # define termKillCharp 0 # define termQuitCharp 0 # endif # define termSuspCharp &termSuspChar # define termFlushCharp &termFlushChar # define termWerasCharp &termWerasChar # define termRprntCharp &termRprntChar # define termLiteralNextCharp &termLiteralNextChar # define termStartCharp &termStartChar # define termStopCharp &termStopChar # endif #else /* MSDOS */ extern char termEofChar, termEraseChar, termIntChar, termKillChar, termQuitChar, termSuspChar, termFlushChar, termWerasChar, termRprntChar, termLiteralNextChar, termStartChar, termStopChar; #endif /* Ring buffer structures which are shared */ extern Ring netoring, netiring, ttyoring, ttyiring; /* Tn3270 section */ #if defined(TN3270) extern int HaveInput, /* Whether an asynchronous I/O indication came in */ noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */ noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */ sigiocount, /* Count of SIGIO receptions */ shell_active; /* Subshell is active */ extern char *Ibackp, /* Oldest byte of 3270 data */ Ibuf[], /* 3270 buffer */ *Ifrontp, /* Where next 3270 byte goes */ tline[], *transcom; /* Transparent command */ extern int settranscom(); extern void inputAvailable(); #endif /* defined(TN3270) */