![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to externs.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / usr.bin / telnet|
Return to externs.h CVS log | Up to [CSRG BSD Unix] / 43BSDReno / usr.bin / telnet |
1.1 root 1: /*
2: * Copyright (c) 1988 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted provided
6: * that: (1) source distributions retain this entire copyright notice and
7: * comment, and (2) distributions including binaries display the following
8: * acknowledgement: ``This product includes software developed by the
9: * University of California, Berkeley and its contributors'' in the
10: * documentation or other materials provided with the distribution and in
11: * all advertising materials mentioning features or use of this software.
12: * Neither the name of the University nor the names of its contributors may
13: * be used to endorse or promote products derived from this software without
14: * specific prior written permission.
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
16: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
17: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18: *
19: * @(#)externs.h 1.25 (Berkeley) 6/28/90
20: */
21:
22: #ifndef BSD
23: # define BSD 43
24: #endif
25:
26: #if (BSD > 43 || defined(SYSV_TERMIO)) && !defined(USE_TERMIO)
27: # define USE_TERMIO
28: #endif
29:
30: #include <stdio.h>
31: #include <setjmp.h>
32: #ifndef FILIO_H
33: #include <sys/ioctl.h>
34: #else
35: #include <sys/filio.h>
36: #endif
37: #ifdef USE_TERMIO
38: # ifndef VINTR
39: # ifdef SYSV_TERMIO
40: # include <sys/termio.h>
41: # else
42: # include <sys/termios.h>
43: # define termio termios
44: # endif
45: # endif
46: #endif
47: #if defined(NO_CC_T) || !defined(USE_TERMIO)
48: # if !defined(USE_TERMIO)
49: typedef char cc_t;
50: # else
51: typedef unsigned char cc_t;
52: # endif
53: #endif
54:
55: #define SUBBUFSIZE 256
56:
57: extern int errno; /* outside this world */
58:
59: extern char
60: *strcat(),
61: *strcpy(); /* outside this world */
62:
63: extern int
64: flushout, /* flush output */
65: connected, /* Are we connected to the other side? */
66: globalmode, /* Mode tty should be in */
67: In3270, /* Are we in 3270 mode? */
68: telnetport, /* Are we connected to the telnet port? */
69: localflow, /* Flow control handled locally */
70: localchars, /* we recognize interrupt/quit */
71: donelclchars, /* the user has set "localchars" */
72: showoptions,
73: net, /* Network file descriptor */
74: tin, /* Terminal input file descriptor */
75: tout, /* Terminal output file descriptor */
76: crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
77: autoflush, /* flush output when interrupting? */
78: autosynch, /* send interrupt characters with SYNCH? */
79: SYNCHing, /* Is the stream in telnet SYNCH mode? */
80: donebinarytoggle, /* the user has put us in binary */
81: dontlecho, /* do we suppress local echoing right now? */
82: crmod,
83: netdata, /* Print out network data flow */
84: #ifdef KERBEROS
85: kerberized, /* Try to use Kerberos */
86: #endif
87: prettydump, /* Print "netdata" output in user readable format */
88: #if defined(unix)
89: #if defined(TN3270)
90: cursesdata, /* Print out curses data flow */
91: apitrace, /* Trace API transactions */
92: #endif /* defined(TN3270) */
93: termdata, /* Print out terminal data flow */
94: #endif /* defined(unix) */
95: debug; /* Debug level */
96:
97: extern cc_t escape; /* Escape to command mode */
98: #ifdef KLUDGELINEMODE
99: extern cc_t echoc; /* Toggle local echoing */
100: #endif
101:
102: extern char
103: *prompt; /* Prompt for command. */
104:
105: extern char
106: doopt[],
107: dont[],
108: will[],
109: wont[],
110: options[], /* All the little options */
111: *hostname; /* Who are we connected to? */
112:
113: /*
114: * We keep track of each side of the option negotiation.
115: */
116:
117: #define MY_STATE_WILL 0x01
118: #define MY_WANT_STATE_WILL 0x02
119: #define MY_STATE_DO 0x04
120: #define MY_WANT_STATE_DO 0x08
121:
122: /*
123: * Macros to check the current state of things
124: */
125:
126: #define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
127: #define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
128: #define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
129: #define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
130:
131: #define my_state_is_dont(opt) (!my_state_is_do(opt))
132: #define my_state_is_wont(opt) (!my_state_is_will(opt))
133: #define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
134: #define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
135:
136: #define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
137: #define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
138: #define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
139: #define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
140:
141: #define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
142: #define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
143: #define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
144: #define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
145:
146: /*
147: * Make everything symetrical
148: */
149:
150: #define HIS_STATE_WILL MY_STATE_DO
151: #define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
152: #define HIS_STATE_DO MY_STATE_WILL
153: #define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
154:
155: #define his_state_is_do my_state_is_will
156: #define his_state_is_will my_state_is_do
157: #define his_want_state_is_do my_want_state_is_will
158: #define his_want_state_is_will my_want_state_is_do
159:
160: #define his_state_is_dont my_state_is_wont
161: #define his_state_is_wont my_state_is_dont
162: #define his_want_state_is_dont my_want_state_is_wont
163: #define his_want_state_is_wont my_want_state_is_dont
164:
165: #define set_his_state_do set_my_state_will
166: #define set_his_state_will set_my_state_do
167: #define set_his_want_state_do set_my_want_state_will
168: #define set_his_want_state_will set_my_want_state_do
169:
170: #define set_his_state_dont set_my_state_wont
171: #define set_his_state_wont set_my_state_dont
172: #define set_his_want_state_dont set_my_want_state_wont
173: #define set_his_want_state_wont set_my_want_state_dont
174:
175:
176: extern FILE
177: *NetTrace; /* Where debugging output goes */
178: extern unsigned char
179: NetTraceFile[]; /* Name of file where debugging output goes */
180: extern void
181: SetNetTrace(); /* Function to change where debugging goes */
182:
183: extern jmp_buf
184: peerdied,
185: toplevel; /* For error conditions. */
186:
187: extern void
188: command(),
189: #if !defined(NOT43)
190: dosynch(),
191: #endif /* !defined(NOT43) */
192: get_status(),
193: Dump(),
194: init_3270(),
195: printoption(),
196: printsub(),
197: sendnaws(),
198: setconnmode(),
199: setcommandmode(),
200: setneturg(),
201: sys_telnet_init(),
202: telnet(),
203: TerminalFlushOutput(),
204: TerminalNewMode(),
205: TerminalRestoreState(),
206: TerminalSaveState(),
207: tninit(),
208: upcase(),
209: willoption(),
210: wontoption();
211:
212: #if defined(NOT43)
213: extern int
214: dosynch();
215: #endif /* defined(NOT43) */
216:
217: #ifndef USE_TERMIO
218:
219: extern struct tchars ntc;
220: extern struct ltchars nltc;
221: extern struct sgttyb nttyb;
222:
223: # define termEofChar ntc.t_eofc
224: # define termEraseChar nttyb.sg_erase
225: # define termFlushChar nltc.t_flushc
226: # define termIntChar ntc.t_intrc
227: # define termKillChar nttyb.sg_kill
228: # define termLiteralNextChar nltc.t_lnextc
229: # define termQuitChar ntc.t_quitc
230: # define termSuspChar nltc.t_suspc
231: # define termRprntChar nltc.t_rprntc
232: # define termWerasChar nltc.t_werasc
233: # define termStartChar ntc.t_startc
234: # define termStopChar ntc.t_stopc
235: # define termForw1Char ntc.t_brkc
236: extern cc_t termForw2Char;
237:
238: # define termEofCharp (cc_t *)&ntc.t_eofc
239: # define termEraseCharp (cc_t *)&nttyb.sg_erase
240: # define termFlushCharp (cc_t *)&nltc.t_flushc
241: # define termIntCharp (cc_t *)&ntc.t_intrc
242: # define termKillCharp (cc_t *)&nttyb.sg_kill
243: # define termLiteralNextCharp (cc_t *)&nltc.t_lnextc
244: # define termQuitCharp (cc_t *)&ntc.t_quitc
245: # define termSuspCharp (cc_t *)&nltc.t_suspc
246: # define termRprntCharp (cc_t *)&nltc.t_rprntc
247: # define termWerasCharp (cc_t *)&nltc.t_werasc
248: # define termStartCharp (cc_t *)&ntc.t_startc
249: # define termStopCharp (cc_t *)&ntc.t_stopc
250: # define termForw1Charp (cc_t *)&ntc.t_brkc
251: # define termForw2Charp (cc_t *)&termForw2Char
252:
253: # else
254:
255: extern struct termio new_tc;
256:
257: # define termEofChar new_tc.c_cc[VEOF]
258: # define termEraseChar new_tc.c_cc[VERASE]
259: # define termIntChar new_tc.c_cc[VINTR]
260: # define termKillChar new_tc.c_cc[VKILL]
261: # define termQuitChar new_tc.c_cc[VQUIT]
262:
263: # ifndef VSUSP
264: extern cc_t termSuspChar;
265: # else
266: # define termSuspChar new_tc.c_cc[VSUSP]
267: # endif
268: # if !defined(VFLUSHO) && defined(VDISCARD)
269: # define VFLUSHO VDISCARD
270: # endif
271: # ifndef VFLUSHO
272: extern cc_t termFlushChar;
273: # else
274: # define termFlushChar new_tc.c_cc[VFLUSHO]
275: # endif
276: # ifndef VWERASE
277: extern cc_t termWerasChar;
278: # else
279: # define termWerasChar new_tc.c_cc[VWERASE]
280: # endif
281: # ifndef VREPRINT
282: extern cc_t termRprntChar;
283: # else
284: # define termRprntChar new_tc.c_cc[VREPRINT]
285: # endif
286: # ifndef VLNEXT
287: extern cc_t termLiteralNextChar;
288: # else
289: # define termLiteralNextChar new_tc.c_cc[VLNEXT]
290: # endif
291: # ifndef VSTART
292: extern cc_t termStartChar;
293: # else
294: # define termStartChar new_tc.c_cc[VSTART]
295: # endif
296: # ifndef VSTOP
297: extern cc_t termStopChar;
298: # else
299: # define termStopChar new_tc.c_cc[VSTOP]
300: # endif
301: # ifndef VEOL
302: extern cc_t termForw1Char;
303: # else
304: # define termForw1Char new_tc.c_cc[VEOL]
305: # endif
306: # ifndef VEOL2
307: extern cc_t termForw2Char;
308: # else
309: # define termForw2Char new_tc.c_cc[VEOL]
310: # endif
311:
312: # ifndef CRAY
313: # define termEofCharp &termEofChar
314: # define termEraseCharp &termEraseChar
315: # define termIntCharp &termIntChar
316: # define termKillCharp &termKillChar
317: # define termQuitCharp &termQuitChar
318: # define termSuspCharp &termSuspChar
319: # define termFlushCharp &termFlushChar
320: # define termWerasCharp &termWerasChar
321: # define termRprntCharp &termRprntChar
322: # define termLiteralNextCharp &termLiteralNextChar
323: # define termStartCharp &termStartChar
324: # define termStopCharp &termStopChar
325: # define termForw1Charp &termForw1Char
326: # define termForw2Charp &termForw2Char
327: # else
328: /* Work around a compiler bug */
329: # define termEofCharp 0
330: # define termEraseCharp 0
331: # define termIntCharp 0
332: # define termKillCharp 0
333: # define termQuitCharp 0
334: # define termSuspCharp 0
335: # define termFlushCharp 0
336: # define termWerasCharp 0
337: # define termRprntCharp 0
338: # define termLiteralNextCharp 0
339: # define termStartCharp 0
340: # define termStopCharp 0
341: # define termForw1Charp 0
342: # define termForw2Charp 0
343: # endif
344: #endif
345:
346:
347: /* Ring buffer structures which are shared */
348:
349: extern Ring
350: netoring,
351: netiring,
352: ttyoring,
353: ttyiring;
354:
355: /* Tn3270 section */
356: #if defined(TN3270)
357:
358: extern int
359: HaveInput, /* Whether an asynchronous I/O indication came in */
360: noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
361: noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
362: sigiocount, /* Count of SIGIO receptions */
363: shell_active; /* Subshell is active */
364:
365: extern char
366: *Ibackp, /* Oldest byte of 3270 data */
367: Ibuf[], /* 3270 buffer */
368: *Ifrontp, /* Where next 3270 byte goes */
369: tline[],
370: *transcom; /* Transparent command */
371:
372: extern int
373: settranscom();
374:
375: extern void
376: inputAvailable();
377: #endif /* defined(TN3270) */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.