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33 * @(#)biz22.c 8.1 (Berkeley) 6/6/93
39 #define DISCONNECT_CMD "\20\04" /* disconnection string */
41 static void sigALRM();
42 static int timeout = 0;
43 static jmp_buf timeoutbuf;
46 * Dial up on a BIZCOMP Model 1022 with either
47 * tone dialing (mod = "V")
48 * pulse dialing (mod = "W")
54 register int connected = 0;
56 static int cmd(), detect();
58 if (boolean(value(VERBOSE)))
59 printf("\nstarting call...");
61 * Disable auto-answer and configure for tone/pulse
65 printf("can't initialize bizcomp...");
68 strcpy(cbuf, "\02.\r");
71 printf("can't set dialing mode...");
77 write(FD, cbuf, strlen(cbuf));
79 printf("can't get dial tone...");
82 if (boolean(value(VERBOSE)))
85 * The reply from the BIZCOMP should be:
86 * 2 \r or 7 \r failure
89 connected = detect("1\r");
94 sprintf(line, "%d second dial timeout",
95 number(value(DIALTIMEOUT)));
96 logent(value(HOST), num, "biz1022", line);
100 biz22_disconnect(); /* insurance */
104 biz22w_dialer(num, acu)
108 return (biz_dialer(num, "W"));
111 biz22f_dialer(num, acu)
115 return (biz_dialer(num, "V"));
122 write(FD, DISCONNECT_CMD, 4);
124 ioctl(FD, TIOCFLUSH, &rw);
138 longjmp(timeoutbuf, 1);
148 write(FD, s, strlen(s));
149 f = signal(SIGALRM, sigALRM);
150 if (setjmp(timeoutbuf)) {
155 alarm(number(value(DIALTIMEOUT)));
170 f = signal(SIGALRM, sigALRM);
173 if (setjmp(timeoutbuf)) {
177 alarm(number(value(DIALTIMEOUT)));
185 return (timeout == 0);