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|00000000| 46 72 6f 6d 20 6a 73 71 | 40 74 69 63 2e 63 6f 6d |From jsq|@tic.com|
|00000010| 20 20 57 65 64 20 4a 75 | 6c 20 20 34 20 31 33 3a |  Wed Ju|l  4 13:|
|00000020| 35 37 3a 35 39 20 31 39 | 39 30 0a 52 65 63 65 69 |57:59 19|90.Recei|
|00000030| 76 65 64 3a 20 66 72 6f | 6d 20 63 73 2e 75 74 65 |ved: fro|m cs.ute|
|00000040| 78 61 73 2e 65 64 75 20 | 62 79 20 75 75 6e 65 74 |xas.edu |by uunet|
|00000050| 2e 75 75 2e 6e 65 74 20 | 28 35 2e 36 31 2f 31 2e |.uu.net |(5.61/1.|
|00000060| 31 34 29 20 77 69 74 68 | 20 53 4d 54 50 20 0a 09 |14) with| SMTP ..|
|00000070| 69 64 20 41 41 31 38 36 | 36 38 3b 20 57 65 64 2c |id AA186|68; Wed,|
|00000080| 20 34 20 4a 75 6c 20 39 | 30 20 31 33 3a 35 37 3a | 4 Jul 9|0 13:57:|
|00000090| 35 39 20 2d 30 34 30 30 | 0a 50 6f 73 74 65 64 2d |59 -0400|.Posted-|
|000000a0| 44 61 74 65 3a 20 33 20 | 4a 75 6c 20 39 30 20 31 |Date: 3 |Jul 90 1|
|000000b0| 38 3a 31 32 3a 30 30 20 | 47 4d 54 0a 52 65 63 65 |8:12:00 |GMT.Rece|
|000000c0| 69 76 65 64 3a 20 62 79 | 20 63 73 2e 75 74 65 78 |ived: by| cs.utex|
|000000d0| 61 73 2e 65 64 75 20 28 | 35 2e 36 34 2f 31 2e 36 |as.edu (|5.64/1.6|
|000000e0| 38 29 0a 09 69 64 20 41 | 41 31 36 34 39 33 3b 20 |8)..id A|A16493; |
|000000f0| 57 65 64 2c 20 34 20 4a | 75 6c 20 39 30 20 31 32 |Wed, 4 J|ul 90 12|
|00000100| 3a 35 37 3a 35 34 20 2d | 30 35 30 30 0a 52 65 63 |:57:54 -|0500.Rec|
|00000110| 65 69 76 65 64 3a 20 62 | 79 20 6c 6f 6e 67 77 61 |eived: b|y longwa|
|00000120| 79 2e 74 69 63 2e 63 6f | 6d 20 28 34 2e 32 32 2f |y.tic.co|m (4.22/|
|00000130| 74 69 63 2e 31 2e 32 29 | 0a 09 69 64 20 41 41 30 |tic.1.2)|..id AA0|
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|00000160| 0a 46 72 6f 6d 3a 20 47 | 75 79 20 48 61 72 72 69 |.From: G|uy Harri|
|00000170| 73 20 3c 61 75 73 70 65 | 78 21 67 75 79 40 63 73 |s <auspe|x!guy@cs|
|00000180| 2e 75 74 65 78 61 73 2e | 65 64 75 3e 0a 4e 65 77 |.utexas.|edu>.New|
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|000001f0| 38 32 40 6c 6f 6e 67 77 | 61 79 2e 54 49 43 2e 43 |82@longw|ay.TIC.C|
|00000200| 4f 4d 3e 0a 52 65 66 65 | 72 65 6e 63 65 73 3a 20 |OM>.Refe|rences: |
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|00000250| 78 40 75 75 6e 65 74 2e | 75 75 2e 6e 65 74 0a 4f |x@uunet.|uu.net.O|
|00000260| 72 67 61 6e 69 7a 61 74 | 69 6f 6e 3a 20 41 75 73 |rganizat|ion: Aus|
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|00000340| 64 65 73 63 72 69 70 74 | 6f 72 73 20 61 72 65 20 |descript|ors are |
|00000350| 61 20 70 6f 6f 72 20 6d | 61 74 63 68 20 66 6f 72 |a poor m|atch for|
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|000003d0| 50 30 2f 32 2f 34 0a 3e | 6d 61 70 73 20 6d 75 63 |P0/2/4.>|maps muc|
|000003e0| 68 20 6d 6f 72 65 20 63 | 6c 6f 73 65 6c 79 20 74 |h more c|losely t|
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|00000400| 73 28 29 2f 66 70 75 74 | 73 28 29 20 69 6e 20 74 |s()/fput|s() in t|
|00000410| 68 61 74 20 69 74 20 69 | 73 0a 3e 72 65 63 6f 72 |hat it i|s.>recor|
|00000420| 64 2d 6f 72 69 65 6e 74 | 65 64 2e 0a 0a 53 74 61 |d-orient|ed...Sta|
|00000430| 6e 64 61 72 64 20 49 2f | 4f 2c 20 61 6e 64 20 22 |ndard I/|O, and "|
|00000440| 66 67 65 74 73 28 29 22 | 2f 22 66 70 75 74 73 28 |fgets()"|/"fputs(|
|00000450| 29 22 20 69 6e 20 70 61 | 72 74 69 63 75 6c 61 72 |)" in pa|rticular|
|00000460| 2c 20 61 72 65 0a 72 65 | 63 6f 72 64 2d 6f 72 69 |, are.re|cord-ori|
|00000470| 65 6e 74 65 64 3f 20 20 | 4e 65 77 73 20 74 6f 20 |ented?  |News to |
|00000480| 6d 65 3b 20 49 20 74 68 | 6f 75 67 68 74 20 73 74 |me; I th|ought st|
|00000490| 61 6e 64 61 72 64 20 49 | 2f 4f 20 6f 66 66 65 72 |andard I|/O offer|
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|000004b0| 20 61 6e 64 20 22 66 67 | 65 74 73 28 29 22 20 72 | and "fg|ets()" r|
|000004c0| 65 61 64 20 73 74 75 66 | 66 20 66 72 6f 6d 20 74 |ead stuf|f from t|
|000004d0| 68 61 74 20 73 74 72 65 | 61 6d 20 75 6e 74 69 6c |hat stre|am until|
|000004e0| 20 69 74 20 68 69 74 20 | 61 0a 6e 65 77 6c 69 6e | it hit |a.newlin|
|000004f0| 65 20 6f 72 20 45 4f 46 | 2c 20 61 6e 64 20 22 66 |e or EOF|, and "f|
|00000500| 70 75 74 73 22 20 70 75 | 74 20 62 79 74 65 73 20 |puts" pu|t bytes |
|00000510| 66 72 6f 6d 20 61 20 73 | 74 72 69 6e 67 20 6f 75 |from a s|tring ou|
|00000520| 74 20 6f 6e 74 6f 20 74 | 68 61 74 0a 73 74 72 65 |t onto t|hat.stre|
|00000530| 61 6d 2e 0a 0a 46 6f 72 | 20 74 68 61 74 20 6d 61 |am...For| that ma|
|00000540| 74 74 65 72 2c 20 72 61 | 77 20 6d 61 67 74 61 70 |tter, ra|w magtap|
|00000550| 65 73 20 61 72 65 20 61 | 6c 73 6f 20 72 65 63 6f |es are a|lso reco|
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|00000580| 72 69 74 65 28 29 22 20 | 77 6f 72 6b 20 66 69 6e |rite()" |work fin|
|00000590| 65 20 6f 6e 20 74 68 65 | 6d 2e 20 20 49 20 64 6f |e on the|m.  I do|
|000005a0| 6e 27 74 20 73 65 65 20 | 74 68 65 20 70 72 6f 62 |n't see |the prob|
|000005b0| 6c 65 6d 20 77 69 74 68 | 20 54 50 6e 3b 20 61 20 |lem with| TPn; a |
|000005c0| 73 69 6e 67 6c 65 0a 22 | 77 72 69 74 65 28 29 22 |single."|write()"|
|000005d0| 20 63 6f 75 6c 64 20 65 | 69 74 68 65 72 20 62 65 | could e|ither be|
|000005e0| 20 74 75 72 6e 65 64 20 | 69 6e 74 6f 20 6f 6e 65 | turned |into one|
|000005f0| 20 70 61 63 6b 65 74 2c | 20 6f 72 20 62 72 6f 6b | packet,| or brok|
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|00000610| 79 20 69 6e 74 6f 20 4e | 20 70 61 63 6b 65 74 73 |y into N| packets|
|00000620| 20 69 66 20 74 68 65 72 | 65 27 73 20 61 20 6d 61 | if ther|e's a ma|
|00000630| 78 69 6d 75 6d 20 70 61 | 63 6b 65 74 20 73 69 7a |ximum pa|cket siz|
|00000640| 65 2e 20 20 49 66 20 79 | 6f 75 0a 2a 77 61 6e 74 |e.  If y|ou.*want|
|00000650| 2a 20 74 6f 20 68 61 76 | 65 20 61 20 63 6f 72 72 |* to hav|e a corr|
|00000660| 65 73 70 6f 6e 64 65 6e | 63 65 20 62 65 74 77 65 |esponden|ce betwe|
|00000670| 65 6e 20 22 73 65 6e 64 | 20 69 74 22 20 63 61 6c |en "send| it" cal|
|00000680| 6c 73 20 61 6e 64 20 72 | 65 63 6f 72 64 73 2c 20 |ls and r|ecords, |
|00000690| 49 0a 73 65 65 20 6e 6f | 20 70 72 6f 62 6c 65 6d |I.see no| problem|
|000006a0| 20 77 69 74 68 20 70 72 | 6f 76 69 64 69 6e 67 20 | with pr|oviding |
|000006b0| 61 64 64 69 74 69 6f 6e | 61 6c 20 63 61 6c 6c 73 |addition|al calls|
|000006c0| 20 74 6f 20 64 6f 20 74 | 68 61 74 2c 20 62 75 74 | to do t|hat, but|
|000006d0| 20 49 20 61 6c 73 6f 0a | 64 6f 6e 27 74 20 73 65 | I also.|don't se|
|000006e0| 65 20 61 6e 79 20 70 72 | 6f 62 6c 65 6d 20 77 69 |e any pr|oblem wi|
|000006f0| 74 68 20 68 69 64 69 6e | 67 20 72 65 63 6f 72 64 |th hidin|g record|
|00000700| 20 62 6f 75 6e 64 61 72 | 69 65 73 2c 20 69 66 20 | boundar|ies, if |
|00000710| 6e 65 63 65 73 73 61 72 | 79 2c 20 66 72 6f 6d 0a |necessar|y, from.|
|00000720| 61 70 70 6c 69 63 61 74 | 69 6f 6e 73 20 74 68 61 |applicat|ions tha|
|00000730| 74 20 2a 77 61 6e 74 2a | 20 74 6f 20 6a 75 73 74 |t *want*| to just|
|00000740| 20 73 65 6e 64 20 62 79 | 74 65 20 73 74 72 65 61 | send by|te strea|
|00000750| 6d 73 20 6f 76 65 72 20 | 54 50 6e 2e 0a 0a 3e 57 |ms over |TPn...>W|
|00000760| 68 61 74 20 64 6f 65 73 | 20 69 74 20 6d 65 61 6e |hat does| it mean|
|00000770| 20 74 6f 20 73 65 65 6b | 28 29 20 6f 6e 20 61 20 | to seek|() on a |
|00000780| 6e 65 74 77 6f 72 6b 20 | 65 6e 64 70 6f 69 6e 74 |network |endpoint|
|00000790| 3f 0a 0a 57 68 61 74 20 | 64 6f 65 73 20 69 74 20 |?..What |does it |
|000007a0| 6d 65 61 6e 20 74 6f 20 | 22 73 65 65 6b 28 29 22 |mean to |"seek()"|
|000007b0| 20 6f 6e 20 61 20 74 74 | 79 3f 0a 0a 56 6f 6c 75 | on a tt|y?..Volu|
|000007c0| 6d 65 2d 4e 75 6d 62 65 | 72 3a 20 56 6f 6c 75 6d |me-Numbe|r: Volum|
|000007d0| 65 20 32 30 2c 20 4e 75 | 6d 62 65 72 20 39 36 0a |e 20, Nu|mber 96.|
|000007e0| 0a                      |                         |.       |        |
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