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Annotation of coherent/a/usr/bob/uusrc/modemcap/modemcap.h, revision 1.1.1.1

1.1       root        1: /* 
                      2:  *      @(#)modemcap.h  1.0
                      3:  *
                      4:  *      names of variables and whatnots for modemcap file
                      5:  */
                      6: 
                      7: extern
                      8: char    AS, /* True if numbers dialed in ASCII, False for binary digits     */
                      9:         DI, /* True if modem can dial numbers, False otherwise              */
                     10:         HC, /* True if modem hangs up when DTR drops, False otherwise       */
                     11:         TT; /* True if modem uses touchtone by default, False for pulse     */
                     12: extern
                     13: char    *AT, /* Enter command state when online                             */
                     14:         *CS, /* Command start string                                        */
                     15:         *CE, /* Command end string - must be present if CS is               */
                     16:         *DS, /* Dial command string                                         */
                     17:         *DE, /* End of dial command string - must be present if DS is       */
                     18:         *CO, /* Connection made at primary baud rate                        */
                     19:         *CL, /* Connection made at secondary (lower) baud rate              */
                     20:         *IS, /* Initialization string - reset modem to onhook and ready     */
                     21:        *HU; /* Hangup command                                              */
                     22: extern
                     23: int     AD, /* Delay after AT string before next command                    */
                     24:         BD, /* Highest communications baud rate                             */
                     25:         BL, /* Another, lower baud rate                                     */
                     26:         ID; /* Delay time after initialization                              */
                     27: 
                     28: /*
                     29:  * The dial command is the principle string that must be built.
                     30:  * The routines will build a dial command as follows:
                     31:  *
                     32:  *      <CS><DS><phone-number><DE><CE>
                     33:  *
                     34:  * Note that the DE and CE strings are present ALWAYS.
                     35:  * This procedure will be used to dial phone numbers if the DI flag is true.
                     36:  * If this isn't the way to dial numbers,
                     37:  * DO NOT SET DI IN THE MODEMCAP FILE!!!
                     38:  */
                     39: 
                     40: /*
                     41:  * a hangup command will be performed as follows:
                     42:  *
                     43:  *      1). any attention string (AT) will be sent followed by the delay (AD)
                     44:  *      2). modem should now be in command state, send hangup (HU) command
                     45:  *      3). send initialization string (IS) followed by the delay (ID)
                     46:  *
                     47:  * It is important that you determine a correct AT and HU string
                     48:  *  to perform this function.
                     49:  * If the modem hangs up when DTR falls (even if there is a HU string),
                     50:  *  declare the flag HC (for Hangup on Close).
                     51:  */

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