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This file was processed as: Mailbox/MIME Entity
(archive/mbox).
Confidence | Program | Detection | Match Type | Support
|
---|
100%
| dexvert
| Newsgroup Content (archive/news)
| magic
| Supported |
100%
| dexvert
| Mailbox/MIME Entity (archive/mbox)
| magic
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| news text
| default
| |
99%
| file
| C source, ASCII text
| default
| |
100%
| checkBytes
| Printable ASCII
| default
| |
100%
| dexmagic
| PrintFox/Pagefox WEAK
| default
| |
100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
100%
| siegfried
| fmt/950 MIME Email (1.0)
| default
| |
100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
| |
100%
| xdgMime
| message/news
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 50 61 74 68 3a 20 6e 77 | 6c 69 6e 6b 2e 63 6f 6d |Path: nw|link.com|
|00000010| 21 75 73 65 6e 65 74 0a | 46 72 6f 6d 3a 20 54 65 |!usenet.|From: Te|
|00000020| 72 65 73 61 20 52 65 69 | 6b 6f 20 3c 74 6a 72 31 |resa Rei|ko <tjr1|
|00000030| 39 40 6d 61 69 6c 2e 6e | 77 6c 69 6e 6b 2e 63 6f |9@mail.n|wlink.co|
|00000040| 6d 3e 0a 4e 65 77 73 67 | 72 6f 75 70 73 3a 20 63 |m>.Newsg|roups: c|
|00000050| 6f 6d 70 2e 6c 61 6e 67 | 2e 63 0a 53 75 62 6a 65 |omp.lang|.c.Subje|
|00000060| 63 74 3a 20 52 65 3a 20 | 44 61 6e 67 6c 69 6e 67 |ct: Re: |Dangling|
|00000070| 20 70 6f 69 6e 74 65 72 | 3f 0a 44 61 74 65 3a 20 | pointer|?.Date: |
|00000080| 31 38 20 41 70 72 20 31 | 39 39 36 20 30 32 3a 31 |18 Apr 1|996 02:1|
|00000090| 37 3a 31 30 20 47 4d 54 | 0a 4f 72 67 61 6e 69 7a |7:10 GMT|.Organiz|
|000000a0| 61 74 69 6f 6e 3a 20 4e | 6f 72 74 68 77 65 73 74 |ation: N|orthwest|
|000000b0| 20 4c 69 6e 6b 0a 4d 65 | 73 73 61 67 65 2d 49 44 | Link.Me|ssage-ID|
|000000c0| 3a 20 3c 34 6c 34 38 6e | 36 24 6c 6a 38 40 74 65 |: <4l48n|6$lj8@te|
|000000d0| 78 61 73 2e 6e 77 6c 69 | 6e 6b 2e 63 6f 6d 3e 0a |xas.nwli|nk.com>.|
|000000e0| 52 65 66 65 72 65 6e 63 | 65 73 3a 20 3c 34 6c 30 |Referenc|es: <4l0|
|000000f0| 72 34 62 24 6a 74 65 40 | 64 65 77 65 79 2e 63 73 |r4b$jte@|dewey.cs|
|00000100| 75 6e 2e 65 64 75 3e 0a | 4e 4e 54 50 2d 50 6f 73 |un.edu>.|NNTP-Pos|
|00000110| 74 69 6e 67 2d 48 6f 73 | 74 3a 20 70 6f 72 74 31 |ting-Hos|t: port1|
|00000120| 2e 61 6e 6e 65 78 34 2e | 6e 77 6c 69 6e 6b 2e 63 |.annex4.|nwlink.c|
|00000130| 6f 6d 0a 4d 69 6d 65 2d | 56 65 72 73 69 6f 6e 3a |om.Mime-|Version:|
|00000140| 20 31 2e 30 0a 43 6f 6e | 74 65 6e 74 2d 54 79 70 | 1.0.Con|tent-Typ|
|00000150| 65 3a 20 74 65 78 74 2f | 70 6c 61 69 6e 3b 20 63 |e: text/|plain; c|
|00000160| 68 61 72 73 65 74 3d 75 | 73 2d 61 73 63 69 69 0a |harset=u|s-ascii.|
|00000170| 43 6f 6e 74 65 6e 74 2d | 54 72 61 6e 73 66 65 72 |Content-|Transfer|
|00000180| 2d 45 6e 63 6f 64 69 6e | 67 3a 20 37 62 69 74 0a |-Encodin|g: 7bit.|
|00000190| 58 2d 4d 61 69 6c 65 72 | 3a 20 4d 6f 7a 69 6c 6c |X-Mailer|: Mozill|
|000001a0| 61 20 31 2e 32 20 28 57 | 69 6e 64 6f 77 73 3b 20 |a 1.2 (W|indows; |
|000001b0| 55 3b 20 31 36 62 69 74 | 29 0a 54 6f 3a 20 6b 63 |U; 16bit|).To: kc|
|000001c0| 34 34 30 39 37 40 63 73 | 75 6e 2e 65 64 75 0a 0a |44097@cs|un.edu..|
|000001d0| 6b 63 34 34 30 39 37 40 | 63 73 75 6e 2e 65 64 75 |kc44097@|csun.edu|
|000001e0| 20 28 63 68 65 6e 29 20 | 77 72 6f 74 65 3a 0a 3e | (chen) |wrote:.>|
|000001f0| 0a 3e 20 20 20 20 57 68 | 61 74 20 69 73 20 22 64 |.> Wh|at is "d|
|00000200| 61 6e 67 6c 69 6e 67 20 | 70 6f 69 6e 74 65 72 22 |angling |pointer"|
|00000210| 2c 63 61 6e 20 73 6f 6d | 65 6f 6e 65 20 67 69 76 |,can som|eone giv|
|00000220| 65 20 6d 65 20 61 20 64 | 65 66 69 6e 61 74 69 6f |e me a d|efinatio|
|00000230| 6e 20 61 6e 64 20 65 78 | 61 6d 70 6c 65 3f 0a 3e |n and ex|ample?.>|
|00000240| 50 6c 65 61 73 65 20 65 | 2d 6d 61 69 6c 20 6d 65 |Please e|-mail me|
|00000250| 20 6b 63 34 34 30 39 37 | 40 68 75 65 79 2e 63 73 | kc44097|@huey.cs|
|00000260| 75 6e 2e 65 64 75 0a 0a | 41 20 64 61 6e 67 6c 69 |un.edu..|A dangli|
|00000270| 6e 67 20 70 6f 69 6e 74 | 65 72 20 69 73 2c 20 75 |ng point|er is, u|
|00000280| 73 75 61 6c 6c 79 2c 20 | 61 20 70 6f 69 6e 74 65 |sually, |a pointe|
|00000290| 72 20 74 68 61 74 20 70 | 6f 69 6e 74 65 64 20 74 |r that p|ointed t|
|000002a0| 6f 20 73 6f 6d 65 0a 6d | 65 6d 6f 72 79 20 61 6c |o some.m|emory al|
|000002b0| 6c 6f 63 61 74 65 64 20 | 77 69 74 68 20 6d 61 6c |located |with mal|
|000002c0| 6c 6f 63 28 29 20 6f 72 | 20 63 61 6c 6c 6f 63 28 |loc() or| calloc(|
|000002d0| 29 20 74 68 61 74 20 77 | 61 73 20 74 68 65 6e 20 |) that w|as then |
|000002e0| 66 72 65 65 64 2e 0a 0a | 44 61 6e 67 6c 69 6e 67 |freed...|Dangling|
|000002f0| 20 70 6f 69 6e 74 65 72 | 73 20 63 61 75 73 65 20 | pointer|s cause |
|00000300| 74 72 6f 75 62 6c 65 20 | 69 66 20 74 68 65 20 6d |trouble |if the m|
|00000310| 65 6d 6f 72 79 20 74 68 | 65 79 20 70 6f 69 6e 74 |emory th|ey point|
|00000320| 65 64 0a 74 6f 20 69 73 | 20 61 63 63 65 73 73 65 |ed.to is| accesse|
|00000330| 64 2c 20 73 69 6e 63 65 | 20 69 74 20 75 73 75 61 |d, since| it usua|
|00000340| 6c 6c 79 20 67 65 74 73 | 20 72 65 2d 75 73 65 64 |lly gets| re-used|
|00000350| 2e 0a 0a 45 78 61 6d 70 | 6c 65 3a 0a 0a 63 68 61 |...Examp|le:..cha|
|00000360| 72 20 2a 70 3b 0a 0a 70 | 20 3d 20 6d 61 6c 6c 6f |r *p;..p| = mallo|
|00000370| 63 28 31 30 30 29 3b 0a | 0a 2e 2e 0a 0a 66 72 65 |c(100);.|.....fre|
|00000380| 65 28 70 29 3b 0a 0a 2f | 2a 20 6e 6f 77 20 70 20 |e(p);../|* now p |
|00000390| 69 73 20 61 20 64 61 6e | 67 6c 69 6e 67 20 70 6f |is a dan|gling po|
|000003a0| 69 6e 74 65 72 20 2a 2f | 0a 0a 2a 70 20 3d 20 30 |inter */|..*p = 0|
|000003b0| 3b 20 2f 2a 20 79 6f 75 | 20 63 61 6e 27 74 20 64 |; /* you| can't d|
|000003c0| 6f 20 74 68 69 73 20 2a | 2f 0a 0a 0a 2d 2d 2d 2d |o this *|/...----|
|000003d0| 2d 20 66 6f 72 20 65 76 | 65 72 79 20 76 69 73 69 |- for ev|ery visi|
|000003e0| 6f 6e 20 74 68 65 72 65 | 20 69 73 20 61 6e 20 65 |on there| is an e|
|000003f0| 71 75 61 6c 20 61 6e 64 | 20 6f 70 70 6f 73 69 74 |qual and| opposit|
|00000400| 65 20 72 65 76 69 73 69 | 6f 6e 20 2e 2e 2e 20 2d |e revisi|on ... -|
|00000410| 2d 2d 2d 2d 0a 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |----.---|--------|
|00000420| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000430| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000440| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000450| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 0a 20 54 |--------|-----. T|
|00000460| 65 72 65 73 61 20 52 65 | 69 6b 6f 20 20 20 20 43 |eresa Re|iko C|
|00000470| 68 69 65 66 20 50 72 6f | 67 72 61 6d 6d 65 72 2c |hief Pro|grammer,|
|00000480| 20 54 65 6e 62 79 74 65 | 20 53 6f 66 74 77 61 72 | Tenbyte| Softwar|
|00000490| 65 20 20 20 20 74 6a 72 | 31 39 40 6e 77 6c 69 6e |e tjr|19@nwlin|
|000004a0| 6b 2e 63 6f 6d 0a 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |k.com.--|--------|
|000004b0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000004c0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000004d0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000004e0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 0a 0a |--------|------..|
+--------+-------------------------+-------------------------+--------+--------+