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+--------+-------------------------+-------------------------+--------+--------+
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|00002000| 2f 2a 20 43 6f 70 79 72 | 69 67 68 74 20 31 39 38 |/* Copyr|ight 198|
|00002010| 36 20 62 79 20 43 61 72 | 6e 65 67 69 65 20 4d 65 |6 by Car|negie Me|
|00002020| 6c 6c 6f 6e 20 2a 2f 0a | 0a 2f 2a 0a 20 2a 20 49 |llon */.|./*. * I|
|00002030| 6e 66 6f 72 6d 61 74 69 | 6f 6e 20 63 6f 6d 6d 6f |nformati|on commo|
|00002040| 6e 20 74 6f 20 61 6c 6c | 20 4c 41 50 42 20 64 72 |n to all| LAPB dr|
|00002050| 69 76 65 72 73 2e 0a 20 | 2a 2f 0a 0a 23 64 65 66 |ivers.. |*/..#def|
|00002060| 69 6e 65 09 4c 4f 4f 50 | 42 41 43 4b 09 30 78 30 |ine.LOOP|BACK.0x0|
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|00002080| 73 20 69 6e 20 6c 6f 6f | 70 62 61 63 6b 20 6d 6f |s in loo|pback mo|
|00002090| 64 65 20 2a 2f 0a 0a 2f | 2a 20 48 44 4c 43 2f 4c |de */../|* HDLC/L|
|000020a0| 41 50 42 20 70 61 63 6b | 65 74 20 68 65 61 64 65 |APB pack|et heade|
|000020b0| 72 20 2a 2f 0a 0a 73 74 | 72 75 63 74 20 6c 61 70 |r */..st|ruct lap|
|000020c0| 62 5f 68 68 64 72 20 7b | 0a 09 75 6e 73 69 67 6e |b_hhdr {|..unsign|
|000020d0| 65 64 20 63 68 61 72 20 | 6c 61 70 62 5f 61 64 64 |ed char |lapb_add|
|000020e0| 72 65 73 73 3b 0a 09 75 | 6e 73 69 67 6e 65 64 20 |ress;..u|nsigned |
|000020f0| 63 68 61 72 20 6c 61 70 | 62 5f 63 6f 6e 74 72 6f |char lap|b_contro|
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|00002110| 62 5f 74 79 70 65 3b 0a | 7d 3b 0a 0a 2f 2a 0a 20 |b_type;.|};../*. |
|00002120| 2a 20 4c 41 50 42 20 63 | 6f 6e 74 72 6f 6c 20 66 |* LAPB c|ontrol f|
|00002130| 69 65 6c 64 20 65 6e 63 | 6f 64 69 6e 67 2e 0a 20 |ield enc|oding.. |
|00002140| 2a 2f 0a 23 64 65 66 69 | 6e 65 20 4c 41 50 42 5f |*/.#defi|ne LAPB_|
|00002150| 49 5f 53 5f 4d 41 53 4b | 09 30 78 38 30 09 2f 2a |I_S_MASK|.0x80./*|
|00002160| 20 49 6e 66 6f 72 6d 61 | 74 69 6f 6e 2f 53 75 70 | Informa|tion/Sup|
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|000021c0| 2f 0a 23 64 65 66 69 6e | 65 20 4c 41 50 42 5f 53 |/.#defin|e LAPB_S|
|000021d0| 5f 55 5f 4d 41 53 4b 09 | 30 78 63 30 09 2f 2a 20 |_U_MASK.|0xc0./* |
|000021e0| 53 75 70 65 72 76 69 73 | 6f 72 79 20 46 72 61 6d |Supervis|ory Fram|
|000021f0| 65 20 4d 61 73 6b 20 2a | 2f 0a 23 64 65 66 69 6e |e Mask *|/.#defin|
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|00002210| 78 38 30 09 2f 2a 20 53 | 75 70 65 72 76 69 73 6f |x80./* S|uperviso|
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|00002250| 72 65 64 20 46 72 61 6d | 65 20 2a 2f 0a 23 64 65 |red Fram|e */.#de|
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|00002270| 54 09 30 78 30 38 09 2f | 2a 20 50 6f 6c 6c 2f 46 |T.0x08./|* Poll/F|
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|000022b0| 46 69 65 6c 64 20 4d 61 | 73 6b 20 2a 2f 0a 23 64 |Field Ma|sk */.#d|
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|000022f0| 0a 2f 2a 0a 20 2a 20 53 | 75 70 65 72 76 69 73 6f |./*. * S|uperviso|
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|00002310| 69 6e 67 2e 0a 20 2a 2f | 0a 23 64 65 66 69 6e 65 |ing.. */|.#define|
|00002320| 20 4c 41 50 42 5f 52 52 | 09 09 30 78 38 30 09 2f | LAPB_RR|..0x80./|
|00002330| 2a 20 52 65 63 65 69 76 | 65 20 52 65 61 64 79 20 |* Receiv|e Ready |
|00002340| 2a 2f 0a 23 64 65 66 69 | 6e 65 20 4c 41 50 42 5f |*/.#defi|ne LAPB_|
|00002350| 52 45 4a 09 30 78 39 30 | 09 2f 2a 20 52 65 6a 65 |REJ.0x90|./* Reje|
|00002360| 63 74 20 2a 2f 0a 23 64 | 65 66 69 6e 65 20 4c 41 |ct */.#d|efine LA|
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|00002380| 65 63 65 69 76 65 20 4e | 6f 74 20 52 65 61 64 79 |eceive N|ot Ready|
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|000023b0| 64 69 6e 67 2e 0a 20 2a | 2f 0a 23 64 65 66 69 6e |ding.. *|/.#defin|
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|000023d0| 09 2f 2a 20 44 69 73 63 | 6f 6e 6e 65 63 74 20 2a |./* Disc|onnect *|
|000023e0| 2f 0a 23 64 65 66 69 6e | 65 20 4c 41 50 42 5f 55 |/.#defin|e LAPB_U|
|000023f0| 41 09 09 30 78 63 36 09 | 2f 2a 20 55 6e 6e 75 6d |A..0xc6.|/* Unnum|
|00002400| 62 65 72 65 64 20 41 63 | 6b 6e 6f 77 6c 65 64 67 |bered Ac|knowledg|
|00002410| 65 20 2a 2f 0a 23 64 65 | 66 69 6e 65 20 4c 41 50 |e */.#de|fine LAP|
|00002420| 42 5f 44 4d 09 09 30 78 | 66 30 09 2f 2a 20 44 69 |B_DM..0x|f0./* Di|
|00002430| 73 63 6f 6e 6e 65 63 74 | 20 4d 6f 64 65 20 2a 2f |sconnect| Mode */|
|00002440| 0a 23 64 65 66 69 6e 65 | 20 4c 41 50 42 5f 46 52 |.#define| LAPB_FR|
|00002450| 4d 52 09 30 78 65 31 09 | 2f 2a 20 46 72 61 6d 65 |MR.0xe1.|/* Frame|
|00002460| 20 52 65 6a 65 63 74 20 | 2a 2f 0a 23 64 65 66 69 | Reject |*/.#defi|
|00002470| 6e 65 20 4c 41 50 42 5f | 53 41 42 4d 09 30 78 66 |ne LAPB_|SABM.0xf|
|00002480| 34 09 2f 2a 20 53 65 74 | 20 41 73 79 6e 63 20 42 |4./* Set| Async B|
|00002490| 61 6c 61 6e 63 65 64 20 | 4d 6f 64 65 20 2a 2f 0a |alanced |Mode */.|
|000024a0| 0a 2f 2a 0a 20 2a 20 4c | 41 50 42 20 53 74 61 74 |./*. * L|APB Stat|
|000024b0| 65 73 2e 0a 20 2a 2f 0a | 74 79 70 65 64 65 66 20 |es.. */.|typedef |
|000024c0| 65 6e 75 6d 20 6c 61 70 | 62 5f 73 74 61 74 65 20 |enum lap|b_state |
|000024d0| 7b 0a 09 6c 73 5f 69 6e | 69 74 2c 09 09 2f 2a 20 |{..ls_in|it,../* |
|000024e0| 49 6e 69 74 69 61 6c 20 | 75 6e 63 6f 6e 6e 65 63 |Initial |unconnec|
|000024f0| 74 65 64 20 73 74 61 74 | 65 20 2a 2f 0a 09 6c 73 |ted stat|e */..ls|
|00002500| 5f 63 6f 6e 5f 61 63 74 | 69 76 65 2c 09 09 2f 2a |_con_act|ive,../*|
|00002510| 20 43 6f 6e 6e 65 63 74 | 69 6e 67 20 61 63 74 69 | Connect|ing acti|
|00002520| 76 65 20 2a 2f 0a 09 6c | 73 5f 63 6f 6e 5f 70 61 |ve */..l|s_con_pa|
|00002530| 73 73 69 76 65 2c 09 09 | 2f 2a 20 43 6f 6e 6e 65 |ssive,..|/* Conne|
|00002540| 63 74 69 6e 67 20 70 61 | 73 73 69 76 65 20 2a 2f |cting pa|ssive */|
|00002550| 0a 09 6c 73 5f 63 6f 6e | 6e 65 63 74 65 64 2c 09 |..ls_con|nected,.|
|00002560| 09 2f 2a 20 43 6f 6e 6e | 65 63 74 69 6f 6e 20 65 |./* Conn|ection e|
|00002570| 73 74 61 62 6c 69 73 68 | 65 64 20 2a 2f 0a 09 6c |stablish|ed */..l|
|00002580| 73 5f 70 72 65 6c 5f 64 | 69 73 63 2c 09 09 2f 2a |s_prel_d|isc,../*|
|00002590| 20 50 72 65 6c 69 6d 69 | 6e 61 72 79 20 64 69 73 | Prelimi|nary dis|
|000025a0| 63 6f 6e 6e 65 63 74 69 | 6e 67 20 2a 2f 0a 09 6c |connecti|ng */..l|
|000025b0| 73 5f 66 72 6d 72 2c 09 | 09 2f 2a 20 46 72 61 6d |s_frmr,.|./* Fram|
|000025c0| 65 20 72 65 6a 65 63 74 | 20 2a 2f 0a 09 6c 73 5f |e reject| */..ls_|
|000025d0| 64 69 73 63 5f 61 63 74 | 69 76 65 2c 09 09 2f 2a |disc_act|ive,../*|
|000025e0| 20 44 69 73 63 6f 6e 6e | 65 63 74 69 6e 67 20 61 | Disconn|ecting a|
|000025f0| 63 74 69 76 65 20 2a 2f | 0a 09 6c 73 5f 64 69 73 |ctive */|..ls_dis|
|00002600| 63 5f 70 61 73 73 69 76 | 65 09 09 2f 2a 20 44 69 |c_passiv|e../* Di|
|00002610| 73 63 6f 6e 6e 65 63 74 | 69 6e 67 20 70 61 73 73 |sconnect|ing pass|
|00002620| 69 76 65 20 2a 2f 0a 7d | 20 6c 61 70 62 5f 73 74 |ive */.}| lapb_st|
|00002630| 61 74 65 3b 0a 0a 2f 2a | 0a 20 2a 20 4c 41 50 42 |ate;../*|. * LAPB|
|00002640| 20 43 6f 6e 6e 65 63 74 | 69 6f 6e 20 42 6c 6f 63 | Connect|ion Bloc|
|00002650| 6b 20 28 53 74 61 74 65 | 20 56 61 72 69 61 62 6c |k (State| Variabl|
|00002660| 65 73 29 2e 0a 20 2a 2f | 0a 74 79 70 65 64 65 66 |es).. */|.typedef|
|00002670| 20 73 74 72 75 63 74 20 | 6c 61 70 62 5f 63 62 20 | struct |lapb_cb |
|00002680| 7b 0a 09 6c 61 70 62 5f | 73 74 61 74 65 20 6c 63 |{..lapb_|state lc|
|00002690| 5f 73 74 61 74 65 3b 09 | 2f 2a 20 43 6f 6e 6e 65 |_state;.|/* Conne|
|000026a0| 63 74 69 6f 6e 20 53 74 | 61 74 65 20 2a 2f 0a 09 |ction St|ate */..|
|000026b0| 69 6e 74 20 6c 63 5f 4e | 53 3b 09 09 2f 2a 20 4e |int lc_N|S;../* N|
|000026c0| 65 78 74 20 53 65 6e 64 | 20 53 74 61 74 65 20 56 |ext Send| State V|
|000026d0| 61 72 69 61 62 6c 65 20 | 2a 2f 0a 09 69 6e 74 20 |ariable |*/..int |
|000026e0| 6c 63 5f 4e 52 3b 09 09 | 2f 2a 20 4e 65 78 74 20 |lc_NR;..|/* Next |
|000026f0| 52 65 63 65 69 76 65 20 | 53 74 61 74 65 20 56 61 |Receive |State Va|
|00002700| 72 69 61 62 6c 65 20 2a | 2f 0a 09 54 61 73 6b 20 |riable *|/..Task |
|00002710| 6c 63 5f 77 61 69 74 65 | 72 3b 09 09 2f 2a 20 54 |lc_waite|r;../* T|
|00002720| 61 73 6b 20 77 61 69 74 | 69 6e 67 20 6f 6e 20 65 |ask wait|ing on e|
|00002730| 76 65 6e 74 20 2a 2f 0a | 09 63 68 61 72 20 6c 63 |vent */.|.char lc|
|00002740| 5f 68 64 6c 63 5f 61 64 | 64 72 3b 09 2f 2a 20 48 |_hdlc_ad|dr;./* H|
|00002750| 44 4c 43 20 63 6d 64 2e | 20 61 64 64 72 65 73 73 |DLC cmd.| address|
|00002760| 20 2d 20 42 20 3d 3e 20 | 44 54 45 2c 20 41 20 3d | - B => |DTE, A =|
|00002770| 3e 20 44 43 45 20 2a 2f | 0a 23 64 65 66 69 6e 65 |> DCE */|.#define|
|00002780| 20 4c 41 50 42 5f 41 44 | 44 52 5f 41 09 33 0a 23 | LAPB_AD|DR_A.3.#|
|00002790| 64 65 66 69 6e 65 20 4c | 41 50 42 5f 41 44 44 52 |define L|APB_ADDR|
|000027a0| 5f 42 09 31 0a 09 63 68 | 61 72 20 6c 63 5f 74 78 |_B.1..ch|ar lc_tx|
|000027b0| 5f 66 6c 61 67 73 3b 09 | 2f 2a 20 54 72 61 6e 73 |_flags;.|/* Trans|
|000027c0| 6d 69 74 20 66 6c 61 67 | 73 20 2a 2f 0a 23 64 65 |mit flag|s */.#de|
|000027d0| 66 69 6e 65 20 4c 41 50 | 42 5f 52 45 4d 5f 42 55 |fine LAP|B_REM_BU|
|000027e0| 53 59 09 31 09 2f 2a 20 | 52 65 6d 6f 74 65 20 65 |SY.1./* |Remote e|
|000027f0| 6e 64 20 73 65 6e 74 20 | 52 4e 52 20 2a 2f 0a 23 |nd sent |RNR */.#|
|00002800| 64 65 66 69 6e 65 20 4c | 41 50 42 5f 4f 41 43 54 |define L|APB_OACT|
|00002810| 49 56 45 09 32 09 2f 2a | 20 4f 75 74 70 75 74 20 |IVE.2./*| Output |
|00002820| 61 63 74 69 76 65 20 2a | 2f 0a 09 63 68 61 72 20 |active *|/..char |
|00002830| 6c 63 5f 72 78 5f 66 6c | 61 67 73 3b 09 2f 2a 20 |lc_rx_fl|ags;./* |
|00002840| 52 65 63 65 69 76 65 20 | 66 6c 61 67 73 20 2a 2f |Receive |flags */|
|00002850| 0a 23 64 65 66 69 6e 65 | 20 4c 41 50 42 5f 4c 4f |.#define| LAPB_LO|
|00002860| 43 5f 42 55 53 59 09 31 | 09 2f 2a 20 4c 6f 63 61 |C_BUSY.1|./* Loca|
|00002870| 6c 20 65 6e 64 20 73 65 | 6e 74 20 52 4e 52 20 2a |l end se|nt RNR *|
|00002880| 2f 0a 23 64 65 66 69 6e | 65 20 4c 41 50 42 5f 4c |/.#defin|e LAPB_L|
|00002890| 4f 43 5f 52 45 4a 09 31 | 09 2f 2a 20 4c 6f 63 61 |OC_REJ.1|./* Loca|
|000028a0| 6c 20 65 6e 64 20 73 65 | 6e 74 20 46 52 4d 52 20 |l end se|nt FRMR |
|000028b0| 2a 2f 0a 0a 09 2f 2a 0a | 09 20 2a 20 54 68 65 73 |*/.../*.|. * Thes|
|000028c0| 65 20 76 61 72 69 61 62 | 6c 65 73 20 69 6e 64 69 |e variab|les indi|
|000028d0| 63 61 74 65 20 74 79 70 | 65 20 6f 66 20 66 72 61 |cate typ|e of fra|
|000028e0| 6d 65 20 74 68 61 74 20 | 6e 65 65 64 73 20 74 6f |me that |needs to|
|000028f0| 20 62 65 20 73 65 6e 74 | 2e 0a 09 20 2a 2f 0a 09 | be sent|... */..|
|00002900| 69 6e 74 20 73 5f 63 6d | 64 3b 09 09 2f 2a 20 53 |int s_cm|d;../* S|
|00002910| 75 70 65 72 76 69 73 6f | 72 79 20 63 6f 6d 6d 61 |uperviso|ry comma|
|00002920| 6e 64 73 20 2a 2f 0a 09 | 69 6e 74 20 73 5f 72 65 |nds */..|int s_re|
|00002930| 73 70 3b 09 09 2f 2a 20 | 53 75 70 65 72 76 69 73 |sp;../* |Supervis|
|00002940| 6f 72 79 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |ory resp|onses */|
|00002950| 0a 09 69 6e 74 20 75 5f | 63 6d 64 3b 09 09 2f 2a |..int u_|cmd;../*|
|00002960| 20 55 6e 6e 75 6d 62 65 | 72 65 64 20 63 6f 6d 6d | Unnumbe|red comm|
|00002970| 61 6e 64 73 20 2a 2f 0a | 09 69 6e 74 20 75 5f 72 |ands */.|.int u_r|
|00002980| 65 73 70 3b 09 09 2f 2a | 20 55 6e 6e 75 6d 62 65 |esp;../*| Unnumbe|
|00002990| 72 65 64 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |red resp|onses */|
|000029a0| 0a 7d 20 6c 61 70 62 5f | 63 62 3b 0a 0a 2f 2a 0a |.} lapb_|cb;../*.|
|000029b0| 20 2a 20 4c 41 50 42 20 | 53 79 73 74 65 6d 20 50 | * LAPB |System P|
|000029c0| 61 72 61 6d 65 74 65 72 | 73 2e 0a 20 2a 2f 0a 65 |arameter|s.. */.e|
|000029d0| 78 74 65 72 6e 20 69 6e | 74 20 6c 61 70 62 5f 4b |xtern in|t lapb_K|
|000029e0| 3b 09 09 2f 2a 20 4d 61 | 78 69 6d 75 6d 20 4e 75 |;../* Ma|ximum Nu|
|000029f0| 6d 62 65 72 20 6f 66 20 | 49 2d 46 72 61 6d 65 73 |mber of |I-Frames|
|00002a00| 20 4f 75 74 73 74 61 6e | 64 69 6e 67 20 2a 2f 0a | Outstan|ding */.|
|00002a10| 65 78 74 65 72 6e 20 69 | 6e 74 20 6c 61 70 62 5f |extern i|nt lapb_|
|00002a20| 4e 31 3b 09 09 2f 2a 20 | 4d 61 78 69 6d 75 6d 20 |N1;../* |Maximum |
|00002a30| 4e 75 6d 62 65 72 20 6f | 66 20 42 69 74 73 20 69 |Number o|f Bits i|
|00002a40| 6e 20 61 6e 20 49 20 46 | 72 61 6d 65 20 2a 2f 0a |n an I F|rame */.|
|00002a50| 65 78 74 65 72 6e 20 69 | 6e 74 20 6c 61 70 62 5f |extern i|nt lapb_|
|00002a60| 4e 32 3b 09 09 2f 2a 20 | 4d 61 78 69 6d 75 6d 20 |N2;../* |Maximum |
|00002a70| 4e 75 6d 62 65 72 20 6f | 66 20 52 65 74 72 61 6e |Number o|f Retran|
|00002a80| 73 6d 69 73 73 69 6f 6e | 73 20 2a 2f 0a 65 78 74 |smission|s */.ext|
|00002a90| 65 72 6e 20 69 6e 74 20 | 6c 61 70 62 5f 54 31 3b |ern int |lapb_T1;|
|00002aa0| 09 09 2f 2a 20 48 44 4c | 43 20 50 61 63 6b 65 74 |../* HDL|C Packet|
|00002ab0| 20 54 69 6d 65 6f 75 74 | 20 2a 2f 0a 65 78 74 65 | Timeout| */.exte|
|00002ac0| 72 6e 20 69 6e 74 20 6c | 61 70 62 5f 54 32 3b 09 |rn int l|apb_T2;.|
|00002ad0| 09 2f 2a 20 49 6e 61 63 | 74 69 76 69 74 79 20 54 |./* Inac|tivity T|
|00002ae0| 69 6d 65 6f 75 74 20 2a | 2f 0a 65 78 74 65 72 6e |imeout *|/.extern|
|00002af0| 20 69 6e 74 20 6c 61 70 | 62 5f 54 33 3b 09 09 2f | int lap|b_T3;../|
|00002b00| 2a 20 44 69 73 63 6f 6e | 6e 65 63 74 69 6f 6e 20 |* Discon|nection |
|00002b10| 54 69 6d 65 6f 75 74 20 | 2a 2f 0a 0a 0a 2f 2a 0a |Timeout |*/.../*.|
|00002b20| 20 2a 20 4c 41 50 42 20 | 70 61 63 6b 65 74 20 74 | * LAPB |packet t|
|00002b30| 79 70 65 73 3a 20 6e 6f | 74 20 61 6c 6c 20 6f 66 |ypes: no|t all of|
|00002b40| 20 74 68 65 73 65 20 61 | 72 65 20 72 65 61 6c 6c | these a|re reall|
|00002b50| 79 20 75 73 65 64 2e 0a | 20 2a 09 54 68 65 73 65 |y used..| *.These|
|00002b60| 20 70 61 63 6b 65 74 20 | 74 79 70 65 73 20 61 72 | packet |types ar|
|00002b70| 65 20 41 4c 52 45 41 44 | 59 20 42 59 54 45 53 57 |e ALREAD|Y BYTESW|
|00002b80| 41 50 50 45 44 2e 0a 20 | 2a 2f 0a 23 64 65 66 69 |APPED.. |*/.#defi|
|00002b90| 6e 65 09 4c 41 50 42 5f | 49 50 09 09 30 78 30 31 |ne.LAPB_|IP..0x01|
|00002ba0| 30 30 09 2f 2a 20 72 65 | 61 6c 6c 79 20 30 78 30 |00./* re|ally 0x0|
|00002bb0| 30 30 31 20 2a 2f 0a 0a | 23 64 65 66 69 6e 65 20 |001 */..|#define |
|00002bc0| 4c 41 50 42 5f 42 52 4f | 41 44 43 41 53 54 09 30 |LAPB_BRO|ADCAST.0|
|00002bd0| 78 66 66 0a 0a 23 64 65 | 66 69 6e 65 09 4c 41 50 |xff..#de|fine.LAP|
|00002be0| 42 5f 4d 49 4e 4c 45 4e | 09 73 69 7a 65 6f 66 28 |B_MINLEN|.sizeof(|
|00002bf0| 73 74 72 75 63 74 20 6c | 61 70 62 5f 68 68 64 72 |struct l|apb_hhdr|
|00002c00| 29 0a 66 69 6e 65 20 4c | 41 50 42 5f 4f 41 43 54 |).fine L|APB_OACT|
|00002c10| 49 56 45 09 32 09 2f 2a | 20 4f 75 74 70 75 74 20 |IVE.2./*| Output |
|00002c20| 61 63 74 69 76 65 20 2a | 2f 0a 09 63 68 61 72 20 |active *|/..char |
|00002c30| 6c 63 5f 72 78 5f 66 6c | 61 67 73 3b 09 2f 2a 20 |lc_rx_fl|ags;./* |
|00002c40| 52 65 63 65 69 76 65 20 | 66 6c 61 67 73 20 2a 2f |Receive |flags */|
|00002c50| 0a 23 64 65 66 69 6e 65 | 20 4c 41 50 42 5f 4c 4f |.#define| LAPB_LO|
|00002c60| 43 5f 42 55 53 59 09 31 | 09 2f 2a 20 4c 6f 63 61 |C_BUSY.1|./* Loca|
|00002c70| 6c 20 65 6e 64 20 73 65 | 6e 74 20 52 4e 52 20 2a |l end se|nt RNR *|
|00002c80| 2f 0a 23 64 65 66 69 6e | 65 20 4c 41 50 42 5f 4c |/.#defin|e LAPB_L|
|00002c90| 4f 43 5f 52 45 4a 09 31 | 09 2f 2a 20 4c 6f 63 61 |OC_REJ.1|./* Loca|
|00002ca0| 6c 20 65 6e 64 20 73 65 | 6e 74 20 46 52 4d 52 20 |l end se|nt FRMR |
|00002cb0| 2a 2f 0a 0a 09 2f 2a 0a | 09 20 2a 20 54 68 65 73 |*/.../*.|. * Thes|
|00002cc0| 65 20 76 61 72 69 61 62 | 6c 65 73 20 69 6e 64 69 |e variab|les indi|
|00002cd0| 63 61 74 65 20 74 79 70 | 65 20 6f 66 20 66 72 61 |cate typ|e of fra|
|00002ce0| 6d 65 20 74 68 61 74 20 | 6e 65 65 64 73 20 74 6f |me that |needs to|
|00002cf0| 20 62 65 20 73 65 6e 74 | 2e 0a 09 20 2a 2f 0a 09 | be sent|... */..|
|00002d00| 69 6e 74 20 73 5f 63 6d | 64 3b 09 09 2f 2a 20 53 |int s_cm|d;../* S|
|00002d10| 75 70 65 72 76 69 73 6f | 72 79 20 63 6f 6d 6d 61 |uperviso|ry comma|
|00002d20| 6e 64 73 20 2a 2f 0a 09 | 69 6e 74 20 73 5f 72 65 |nds */..|int s_re|
|00002d30| 73 70 3b 09 09 2f 2a 20 | 53 75 70 65 72 76 69 73 |sp;../* |Supervis|
|00002d40| 6f 72 79 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |ory resp|onses */|
|00002d50| 0a 09 69 6e 74 20 75 5f | 63 6d 64 3b 09 09 2f 2a |..int u_|cmd;../*|
|00002d60| 20 55 6e 6e 75 6d 62 65 | 72 65 64 20 63 6f 6d 6d | Unnumbe|red comm|
|00002d70| 61 6e 64 73 20 2a 2f 0a | 09 69 6e 74 20 75 5f 72 |ands */.|.int u_r|
|00002d80| 65 73 70 3b 09 09 2f 2a | 20 55 6e 6e 75 6d 62 65 |esp;../*| Unnumbe|
|00002d90| 72 65 64 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |red resp|onses */|
|00002da0| 0a 7d 20 6c 61 70 62 5f | 63 62 3b 0a 0a 2f 2a 0a |.} lapb_|cb;../*.|
|00002db0| 20 2a 20 4c 41 50 42 20 | 53 79 73 74 65 6d 20 50 | * LAPB |System P|
|00002dc0| 61 72 61 6d 65 74 65 72 | 73 2e 0a 20 2a 2f 0a 65 |arameter|s.. */.e|
|00002dd0| 78 74 65 72 6e 20 69 6e | 74 20 6c 61 70 62 5f 4b |xtern in|t lapb_K|
|00002de0| 3b 09 09 2f 2a 20 4d 61 | 78 69 6d 75 6d 20 4e 75 |;../* Ma|ximum Nu|
|00002df0| 6d 62 65 72 20 6f 66 20 | 49 2d 46 72 61 6d 65 73 |mber of |I-Frames|
|00002e00| 69 6e 63 6c 75 64 65 2f | 6d 61 63 68 5f 74 79 70 |include/|mach_typ|
|00002e10| 2e 68 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.h......|........|
|00002e20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002e30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002e40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002e50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002e60| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 20 |....   6|44 .    |
|00002e70| 32 31 20 00 20 37 37 37 | 37 37 20 00 20 20 20 20 |21 . 777|77 .    |
|00002e80| 20 20 20 20 32 37 32 20 | 20 33 36 37 30 36 32 33 |    272 | 3670623|
|00002e90| 30 37 30 20 20 20 37 35 | 35 37 00 20 00 00 00 00 |070   75|57. ....|
|00002ea0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002eb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002ec0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002ed0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002ee0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002ef0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f00| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f80| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002f90| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002fa0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002fb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002fc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002fd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002fe0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002ff0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003000| 2f 2a 20 43 6f 70 79 72 | 69 67 68 74 20 31 39 38 |/* Copyr|ight 198|
|00003010| 36 20 62 79 20 43 61 72 | 6e 65 67 69 65 20 4d 65 |6 by Car|negie Me|
|00003020| 6c 6c 6f 6e 20 2a 2f 0a | 2f 2a 20 6d 61 63 68 69 |llon */.|/* machi|
|00003030| 6e 65 20 74 79 70 65 73 | 2c 20 72 65 74 75 72 6e |ne types|, return|
|00003040| 65 64 20 66 72 6f 6d 20 | 5f 6d 61 63 68 5f 74 79 |ed from |_mach_ty|
|00003050| 70 65 28 29 20 69 6e 20 | 6c 69 62 70 63 0a 2a 2f |pe() in |libpc.*/|
|00003060| 0a 0a 23 64 65 66 69 6e | 65 09 5f 49 42 4d 5f 50 |..#defin|e._IBM_P|
|00003070| 43 09 09 30 78 66 66 0a | 23 64 65 66 69 6e 65 09 |C..0xff.|#define.|
|00003080| 5f 49 42 4d 5f 58 54 09 | 09 30 78 66 65 0a 23 64 |_IBM_XT.|.0xfe.#d|
|00003090| 65 66 69 6e 65 09 5f 49 | 42 4d 5f 4a 52 09 09 30 |efine._I|BM_JR..0|
|000030a0| 78 66 64 0a 23 64 65 66 | 69 6e 65 09 5f 49 42 4d |xfd.#def|ine._IBM|
|000030b0| 5f 41 54 09 09 30 78 66 | 63 0a 2a 20 54 68 65 73 |_AT..0xf|c.* Thes|
|000030c0| 65 20 76 61 72 69 61 62 | 6c 65 73 20 69 6e 64 69 |e variab|les indi|
|000030d0| 63 61 74 65 20 74 79 70 | 65 20 6f 66 20 66 72 61 |cate typ|e of fra|
|000030e0| 6d 65 20 74 68 61 74 20 | 6e 65 65 64 73 20 74 6f |me that |needs to|
|000030f0| 20 62 65 20 73 65 6e 74 | 2e 0a 09 20 2a 2f 0a 09 | be sent|... */..|
|00003100| 69 6e 74 20 73 5f 63 6d | 64 3b 09 09 2f 2a 20 53 |int s_cm|d;../* S|
|00003110| 75 70 65 72 76 69 73 6f | 72 79 20 63 6f 6d 6d 61 |uperviso|ry comma|
|00003120| 6e 64 73 20 2a 2f 0a 09 | 69 6e 74 20 73 5f 72 65 |nds */..|int s_re|
|00003130| 73 70 3b 09 09 2f 2a 20 | 53 75 70 65 72 76 69 73 |sp;../* |Supervis|
|00003140| 6f 72 79 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |ory resp|onses */|
|00003150| 0a 09 69 6e 74 20 75 5f | 63 6d 64 3b 09 09 2f 2a |..int u_|cmd;../*|
|00003160| 20 55 6e 6e 75 6d 62 65 | 72 65 64 20 63 6f 6d 6d | Unnumbe|red comm|
|00003170| 61 6e 64 73 20 2a 2f 0a | 09 69 6e 74 20 75 5f 72 |ands */.|.int u_r|
|00003180| 65 73 70 3b 09 09 2f 2a | 20 55 6e 6e 75 6d 62 65 |esp;../*| Unnumbe|
|00003190| 72 65 64 20 72 65 73 70 | 6f 6e 73 65 73 20 2a 2f |red resp|onses */|
|000031a0| 0a 7d 20 6c 61 70 62 5f | 63 62 3b 0a 0a 2f 2a 0a |.} lapb_|cb;../*.|
|000031b0| 20 2a 20 4c 41 50 42 20 | 53 79 73 74 65 6d 20 50 | * LAPB |System P|
|000031c0| 61 72 61 6d 65 74 65 72 | 73 2e 0a 20 2a 2f 0a 65 |arameter|s.. */.e|
|000031d0| 78 74 65 72 6e 20 69 6e | 74 20 6c 61 70 62 5f 4b |xtern in|t lapb_K|
|000031e0| 3b 09 09 2f 2a 20 4d 61 | 78 69 6d 75 6d 20 4e 75 |;../* Ma|ximum Nu|
|000031f0| 6d 62 65 72 20 6f 66 20 | 49 2d 46 72 61 6d 65 73 |mber of |I-Frames|
|00003200| 69 6e 63 6c 75 64 65 2f | 65 33 32 37 38 2e 68 00 |include/|e3278.h.|
|00003210| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003220| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003230| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003240| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003260| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 20 |....   6|44 .    |
|00003270| 32 31 20 00 20 37 37 37 | 37 37 20 00 20 20 20 20 |21 . 777|77 .    |
|00003280| 20 20 31 31 37 36 31 20 | 20 33 36 37 30 36 32 33 |  11761 | 3670623|
|00003290| 30 37 32 20 20 20 36 35 | 37 32 00 20 00 00 00 00 |072   65|72. ....|
|000032a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000032b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000032c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000032d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000032e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000032f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003300| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003310| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003320| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003330| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003340| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003390| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000033f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003400| 2f 2a 20 43 6f 70 79 72 | 69 67 68 74 20 31 39 38 |/* Copyr|ight 198|
|00003410| 36 20 62 79 20 43 61 72 | 6e 65 67 69 65 20 4d 65 |6 by Car|negie Me|
|00003420| 6c 6c 6f 6e 20 2a 2f 0a | 2f 2a 20 73 63 72 65 65 |llon */.|/* scree|
|00003430| 6e 20 73 69 7a 65 20 61 | 6e 64 20 62 75 66 66 65 |n size a|nd buffe|
|00003440| 72 20 70 6f 73 69 74 69 | 6f 6e 73 20 2a 2f 0a 23 |r positi|ons */.#|
|00003450| 64 65 66 69 6e 65 20 42 | 55 46 46 53 49 5a 45 20 |define B|UFFSIZE |
|00003460| 20 31 39 32 30 0a 23 64 | 65 66 69 6e 65 20 4d 49 | 1920.#d|efine MI|
|00003470| 4e 50 4f 53 20 20 20 20 | 20 20 20 30 0a 23 64 65 |NPOS    |   0.#de|
|00003480| 66 69 6e 65 20 4d 41 58 | 50 4f 53 20 20 20 20 31 |fine MAX|POS    1|
|00003490| 39 31 39 0a 23 64 65 66 | 69 6e 65 20 41 54 54 52 |919.#def|ine ATTR|
|000034a0| 53 54 4f 50 20 20 31 39 | 32 30 0a 23 64 65 66 69 |STOP  19|20.#defi|
|000034b0| 6e 65 20 41 54 54 52 43 | 54 52 4c 20 20 31 39 32 |ne ATTRC|TRL  192|
|000034c0| 31 0a 23 64 65 66 69 6e | 65 20 46 49 52 53 54 49 |1.#defin|e FIRSTI|
|000034d0| 4e 46 4f 20 31 39 32 30 | 0a 23 64 65 66 69 6e 65 |NFO 1920|.#define|
|000034e0| 20 4b 45 59 49 4e 46 4f | 20 20 20 31 39 32 39 0a | KEYINFO|   1929.|
|000034f0| 23 64 65 66 69 6e 65 20 | 50 52 47 49 4e 46 4f 20 |#define |PRGINFO |
|00003500| 20 20 31 39 33 31 0a 23 | 64 65 66 69 6e 65 20 49 |  1931.#|define I|
|00003510| 4e 50 4f 53 20 20 20 20 | 20 31 39 38 30 0a 23 64 |NPOS    | 1980.#d|
|00003520| 65 66 69 6e 65 20 4c 41 | 53 54 49 4e 46 4f 20 20 |efine LA|STINFO  |
|00003530| 31 39 39 39 0a 20 0a 23 | 64 65 66 69 6e 65 20 77 |1999. .#|define w|
|00003540| 72 61 70 28 62 61 64 64 | 72 29 20 28 62 61 64 64 |rap(badd|r) (badd|
|00003550| 72 20 3d 3d 20 4d 41 58 | 50 4f 53 29 20 3f 20 4d |r == MAX|POS) ? M|
|00003560| 49 4e 50 4f 53 20 3a 20 | 62 61 64 64 72 20 2b 20 |INPOS : |baddr + |
|00003570| 31 0a 23 64 65 66 69 6e | 65 20 75 6e 77 72 61 70 |1.#defin|e unwrap|
|00003580| 28 62 61 64 64 72 29 20 | 28 62 61 64 64 72 20 3d |(baddr) |(baddr =|
|00003590| 3d 20 4d 49 4e 50 4f 53 | 29 20 3f 20 4d 41 58 50 |= MINPOS|) ? MAXP|
|000035a0| 4f 53 20 3a 20 62 61 64 | 64 72 20 2d 20 31 0a 20 |OS : bad|dr - 1. |
|000035b0| 0a 23 64 65 66 69 6e 65 | 20 4c 53 49 5a 45 20 20 |.#define| LSIZE  |
|000035c0| 38 30 0a 2f 2a 20 57 43 | 43 20 63 6f 64 65 73 20 |80./* WC|C codes |
|000035d0| 2a 2f 0a 23 64 65 66 69 | 6e 65 20 53 4e 44 5f 41 |*/.#defi|ne SND_A|
|000035e0| 4c 41 52 4d 20 30 34 0a | 23 64 65 66 69 6e 65 20 |LARM 04.|#define |
|000035f0| 4b 59 42 44 52 45 53 45 | 54 20 30 32 0a 23 64 65 |KYBDRESE|T 02.#de|
|00003600| 66 69 6e 65 20 52 45 53 | 45 54 4d 44 54 20 20 30 |fine RES|ETMDT  0|
|00003610| 31 0a 20 0a 20 0a 2f 2a | 20 46 69 65 6c 64 20 41 |1. . ./*| Field A|
|00003620| 74 74 72 69 62 75 74 65 | 20 43 68 61 72 61 63 74 |ttribute| Charact|
|00003630| 65 72 20 42 69 74 20 41 | 73 73 69 67 6e 6d 65 6e |er Bit A|ssignmen|
|00003640| 74 0a 20 0a 09 42 69 74 | 20 20 20 20 20 20 20 20 |t. ..Bit|        |
|00003650| 20 20 20 20 20 46 69 65 | 6c 64 20 44 65 73 63 72 |     Fie|ld Descr|
|00003660| 69 70 74 6f 72 0a 20 0a | 09 30 2c 31 20 20 20 20 |iptor. .|.0,1    |
|00003670| 20 20 20 20 20 20 20 20 | 20 56 61 6c 75 65 20 64 |        | Value d|
|00003680| 65 74 65 72 6d 69 6e 65 | 64 20 62 79 20 63 6f 6e |etermine|d by con|
|00003690| 74 65 6e 74 73 20 6f 66 | 20 62 69 74 73 20 32 2d |tents of| bits 2-|
|000036a0| 37 0a 20 0a 09 32 20 20 | 20 20 20 20 20 20 20 20 |7. ..2  |        |
|000036b0| 20 20 20 20 20 30 20 3d | 20 55 6e 70 72 6f 74 65 |     0 =| Unprote|
|000036c0| 63 74 65 64 0a 09 09 09 | 31 20 3d 20 50 72 6f 74 |cted....|1 = Prot|
|000036d0| 65 63 74 65 64 0a 20 0a | 09 33 20 20 20 20 20 20 |ected. .|.3      |
|000036e0| 20 20 20 20 20 20 20 20 | 20 30 20 3d 20 41 6c 70 |        | 0 = Alp|
|000036f0| 68 61 6e 75 6d 65 72 69 | 63 0a 09 09 09 31 20 3d |hanumeri|c....1 =|
|00003700| 20 4e 75 6d 65 72 69 63 | 0a 20 0a 09 09 09 4e 6f | Numeric|. ....No|
|00003710| 74 65 3a 20 42 69 74 73 | 20 32 20 61 6e 64 20 33 |te: Bits| 2 and 3|
|00003720| 20 65 71 75 61 6c 20 74 | 6f 20 31 31 20 63 61 75 | equal t|o 11 cau|
|00003730| 73 65 73 20 61 6e 0a 09 | 09 09 61 75 74 6f 6d 61 |ses an..|..automa|
|00003740| 74 69 63 20 73 6b 69 70 | 2e 0a 20 0a 09 34 2c 35 |tic skip|.. ..4,5|
|00003750| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 30 30 20 |        |     00 |
|00003760| 3d 20 44 69 73 70 6c 61 | 79 2f 6e 6f 74 20 73 65 |= Displa|y/not se|
|00003770| 6c 65 63 74 6f 72 2d 6c | 69 67 68 74 2d 70 65 6e |lector-l|ight-pen|
|00003780| 0a 09 09 09 20 20 20 20 | 20 64 65 74 65 63 74 61 |....    | detecta|
|00003790| 62 6c 65 2e 0a 09 09 09 | 30 31 20 3d 20 44 49 73 |ble.....|01 = DIs|
|000037a0| 70 6c 61 79 2f 73 65 6c | 65 63 74 6f 72 2d 6c 69 |play/sel|ector-li|
|000037b0| 67 68 74 2d 70 65 6e 20 | 64 65 74 65 63 74 61 62 |ght-pen |detectab|
|000037c0| 6c 65 2e 0a 09 09 09 31 | 30 20 3d 20 49 6e 74 65 |le.....1|0 = Inte|
|000037d0| 6e 73 69 66 69 65 64 20 | 64 69 73 70 6c 61 79 2f |nsified |display/|
|000037e0| 73 65 6c 65 63 74 6f 72 | 2d 6c 69 67 68 74 2d 70 |selector|-light-p|
|000037f0| 65 6e 0a 09 09 09 20 20 | 20 20 20 64 65 74 65 63 |en....  |   detec|
|00003800| 74 61 62 6c 65 2e 0a 09 | 09 09 31 31 20 3d 20 4e |table...|..11 = N|
|00003810| 6f 6e 64 69 73 70 6c 61 | 79 2c 20 6e 6f 6e 70 72 |ondispla|y, nonpr|
|00003820| 69 6e 74 2c 20 6e 6f 6e | 64 65 74 65 63 74 61 62 |int, non|detectab|
|00003830| 6c 65 2e 0a 20 0a 09 36 | 20 20 20 20 20 20 20 20 |le.. ..6|        |
|00003840| 20 20 20 20 20 20 20 52 | 65 73 65 72 76 65 64 2e |       R|eserved.|
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|00004a40| 65 20 4d 61 73 73 61 63 | 68 75 73 65 74 74 73 20 |e Massac|husetts |
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|00004a70| 44 65 66 69 6e 65 20 73 | 6f 6d 65 20 49 43 4d 50 |Define s|ome ICMP|
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|00004bf0| 75 73 65 72 20 68 69 74 | 20 45 53 43 41 50 45 20 |user hit| ESCAPE |
|00004c00| 69 6e 63 6c 75 64 65 2f | 75 64 70 2e 68 00 00 00 |include/|udp.h...|
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|00004e00| 2f 2a 20 43 6f 70 79 72 | 69 67 68 74 20 31 39 38 |/* Copyr|ight 198|
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|00004e70| 6e 64 65 66 20 55 44 50 | 5f 48 09 09 09 2f 2a 20 |ndef UDP|_H.../* |
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|00004f80| 2a 20 54 68 65 20 55 44 | 50 20 43 6f 6e 6e 65 63 |* The UD|P Connec|
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|000050f0| 4f 4e 4e 3b 0a 0a 2f 2a | 20 53 6f 6d 65 20 67 6f |ONN;../*| Some go|
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|00005140| 55 44 50 20 49 6e 74 65 | 72 6e 65 74 20 70 72 6f |UDP Inte|rnet pro|
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|00005160| 23 64 65 66 69 6e 65 09 | 55 44 50 4c 45 4e 09 73 |#define.|UDPLEN.s|
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|000051c0| 75 64 70 5f 64 61 74 61 | 28 70 75 70 29 09 28 28 |udp_data|(pup).((|
|000051d0| 63 68 61 72 20 2a 29 28 | 70 75 70 29 20 2b 20 73 |char *)(|pup) + s|
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|00005210| 65 28 28 70 6b 74 29 29 | 0a 0a 2f 2a 20 4e 61 6d |e((pkt))|../* Nam|
|00005220| 65 20 75 73 65 72 20 72 | 65 74 75 72 6e 20 63 6f |e user r|eturn co|
|00005230| 64 65 73 20 2a 2f 0a 23 | 64 65 66 69 6e 65 20 4e |des */.#|define N|
|00005240| 41 4d 45 54 52 4f 55 42 | 4c 45 09 32 4c 09 2f 2a |AMETROUB|LE.2L./*|
|00005250| 20 4e 61 6d 65 20 75 73 | 65 72 20 63 6f 75 6c 64 | Name us|er could|
|00005260| 6e 27 74 20 73 65 6e 64 | 20 72 65 71 75 65 73 74 |n't send| request|
|00005270| 20 2a 2f 0a 23 64 65 66 | 69 6e 65 09 4e 41 4d 45 | */.#def|ine.NAME|
|00005280| 54 4d 4f 09 09 31 4c 09 | 2f 2a 20 4e 61 6d 65 20 |TMO..1L.|/* Name |
|00005290| 75 73 65 72 20 74 69 6d | 65 64 20 6f 75 74 20 6f |user tim|ed out o|
|000052a0| 6e 20 61 6c 6c 20 72 65 | 71 75 65 73 74 73 20 2a |n all re|quests *|
|000052b0| 2f 0a 23 64 65 66 69 6e | 65 09 4e 41 4d 45 55 4e |/.#defin|e.NAMEUN|
|000052c0| 4b 4e 4f 57 4e 09 30 4c | 09 2f 2a 20 4e 61 6d 65 |KNOWN.0L|./* Name|
|000052d0| 20 6e 6f 74 20 6b 6e 6f | 77 6e 20 2a 2f 0a 0a 65 | not kno|wn */..e|
|000052e0| 78 74 65 72 6e 20 55 44 | 50 43 4f 4e 4e 09 75 64 |xtern UD|PCONN.ud|
|000052f0| 70 5f 6f 70 65 6e 28 29 | 3b 0a 65 78 74 65 72 6e |p_open()|;.extern|
|00005300| 20 75 6e 73 69 67 6e 65 | 64 20 75 64 70 5f 73 6f | unsigne|d udp_so|
|00005310| 63 6b 65 74 28 29 3b 0a | 65 78 74 65 72 6e 20 75 |cket();.|extern u|
|00005320| 6e 73 69 67 6e 65 64 20 | 75 64 70 78 73 75 6d 28 |nsigned |udpxsum(|
|00005330| 29 3b 0a 65 78 74 65 72 | 6e 20 50 41 43 4b 45 54 |);.exter|n PACKET|
|00005340| 20 75 64 70 5f 61 6c 6c | 6f 63 28 29 3b 0a 0a 65 | udp_all|oc();..e|
|00005350| 78 74 65 72 6e 20 55 44 | 50 43 4f 4e 4e 20 66 69 |xtern UD|PCONN fi|
|00005360| 72 73 74 75 64 70 3b 0a | 23 65 6e 64 69 66 09 09 |rstudp;.|#endif..|
|00005370| 09 09 2f 2a 20 44 44 50 | 20 2a 2f 0a 61 72 20 64 |../* DDP| */.ar d|
|00005380| 61 74 61 5b 34 30 39 30 | 5d 3b 2f 2a 20 33 32 37 |ata[4090|];/* 327|
|00005390| 78 20 63 6f 6d 6d 61 6e | 64 20 73 74 72 65 61 6d |x comman|d stream|
|000053a0| 20 64 61 74 61 20 20 20 | 20 20 20 20 20 2a 2f 0a | data   |     */.|
|000053b0| 20 20 20 7d 3b 0a 20 0a | 23 64 65 66 69 6e 65 20 |   };. .|#define |
|000053c0| 50 48 44 52 4c 20 31 20 | 20 20 20 2f 2a 20 6c 65 |PHDRL 1 |   /* le|
|000053d0| 6e 67 74 68 20 6f 66 20 | 70 74 79 70 65 20 69 6e |ngth of |ptype in|
|000053e0| 20 70 61 63 6b 65 74 20 | 20 20 20 20 20 20 2a 2f | packet |      */|
|000053f0| 0a 61 2e 63 74 6c 66 6c | 61 67 20 2a 2f 0a 23 64 |.a.ctlfl|ag */.#d|
|00005400| 69 6e 63 6c 75 64 65 2f | 6e 6f 74 69 63 65 2e 68 |include/|notice.h|
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|000062d0| 23 64 65 66 69 6e 65 09 | 42 4c 49 4e 4b 5f 4f 46 |#define.|BLINK_OF|
|000062e0| 46 20 30 78 37 66 09 2f | 2a 20 61 6e 64 20 69 6e |F 0x7f./|* and in|
|000062f0| 74 6f 20 61 74 74 72 69 | 62 20 74 6f 20 64 69 73 |to attri|b to dis|
|00006300| 61 62 6c 65 20 62 6c 69 | 6e 6b 69 6e 67 20 2a 2f |able bli|nking */|
|00006310| 0a 6b 65 74 28 29 3b 0a | 65 78 74 65 72 6e 20 75 |.ket();.|extern u|
|00006320| 6e 73 69 67 6e 65 64 20 | 75 64 70 78 73 75 6d 28 |nsigned |udpxsum(|
|00006330| 29 3b 0a 65 78 74 65 72 | 6e 20 50 41 43 4b 45 54 |);.exter|n PACKET|
|00006340| 20 75 64 70 5f 61 6c 6c | 6f 63 28 29 3b 0a 0a 65 | udp_all|oc();..e|
|00006350| 78 74 65 72 6e 20 55 44 | 50 43 4f 4e 4e 20 66 69 |xtern UD|PCONN fi|
|00006360| 72 73 74 75 64 70 3b 0a | 23 65 6e 64 69 66 09 09 |rstudp;.|#endif..|
|00006370| 09 09 2f 2a 20 44 44 50 | 20 2a 2f 0a 61 72 20 64 |../* DDP| */.ar d|
|00006380| 61 74 61 5b 34 30 39 30 | 5d 3b 2f 2a 20 33 32 37 |ata[4090|];/* 327|
|00006390| 78 20 63 6f 6d 6d 61 6e | 64 20 73 74 72 65 61 6d |x comman|d stream|
|000063a0| 20 64 61 74 61 20 20 20 | 20 20 20 20 20 2a 2f 0a | data   |     */.|
|000063b0| 20 20 20 7d 3b 0a 20 0a | 23 64 65 66 69 6e 65 20 |   };. .|#define |
|000063c0| 50 48 44 52 4c 20 31 20 | 20 20 20 2f 2a 20 6c 65 |PHDRL 1 |   /* le|
|000063d0| 6e 67 74 68 20 6f 66 20 | 70 74 79 70 65 20 69 6e |ngth of |ptype in|
|000063e0| 20 70 61 63 6b 65 74 20 | 20 20 20 20 20 20 2a 2f | packet |      */|
|000063f0| 0a 61 2e 63 74 6c 66 6c | 61 67 20 2a 2f 0a 23 64 |.a.ctlfl|ag */.#d|
+--------+-------------------------+-------------------------+--------+--------+