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(&5ͷྫ

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GET /hello.txt HTTP/1.1
User-Agent: curl/7.16.3 libcurl/7.16.3 OpenSSL/0.9.7l zlib/1.2.3
Host: www.example.com
Accept-Language: en, mi
HTTP/1.1 200 OK
Date: Mon, 27 Jul 2009 12:28:53 GMT
Server: Apache
Last-Modified: Wed, 22 Jul 2009 19:15:56 GMT
ETag: "34aa387-d-1568eb00"
Accept-Ranges: bytes
Content-Length: 51
Vary: Accept-Encoding
Content-Type: text/plain
Hello World! My payload includes a trailing CRLF.
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ͪΌΜͱ)551஌Γ͍ͨͳΒ
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ɹ٬ɿʮϏοάϚΫυηοτɺ͓ئ͍͠·͢ʯ
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ɹ٬ɿʮ͜Μʹͪ͸ʯ
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ɹ٬ɿʮϏοάϚΫυηοτʹϙςτͰʯ
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εςʔτϨεόʔΨʔγϣοϓ
ࢀߟɿࢁຊཅฏ

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εςʔτϨε
໘౗͍͘͞ͳ

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εςʔτϨε͔ͩΒ
εέʔϧ͢Δͷͩͱͨ͠Βʁ

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ɹɹ٬ɿʮ͜Μʹͪ͸ʯ
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ɹɹ٬ɿʮϏοάϚΫυηοτʹϙςτͱΞΠείʔώʔͰʯ
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ɹɹ٬ɿʮϏοάϚΫυηοτʹϙςτͱΞΠείʔώʔʢ̡ʣͰʯ 
ళһ̚ɿʮҎ্ͰΑΖ͍͠Ͱ͔͢ʁʯ 
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εςʔτϨεόʔΨʔ͸ 
ళһ͕ಉ͡Ͱͳͯ͘΋ྑ͍
ࢀߟɿࢁຊཅฏ

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εςʔτϨε͔ͩΒ
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ᐌ͘
εςʔτϨεͳ 

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ΞϓϦέʔγϣϯ૚
τϥϯεϙʔτ૚
Πϯλʔωοτ૚
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ΠʔαωοτͳͲ
ίί

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)551͸5$1*1ϕʔε

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5$1ʁ*1ʁ͓͍͍͠ʁ

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ߴ଎͞ΑΓਖ਼͕֬͞େࣄ

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Ͳ͏ͯ͠ਖ਼֬ͳͷ͔΋͏গ͠

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ਖ਼֬ͷՁ஋͸
ୈ࢛࿩

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5$1ίωΫγϣϯͷ
ཱ֬ͱऴྃʹ͍ͭͯ

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XBZIBOETIBLF

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ΫϥΠΞϯτ αʔόʔ
TPDLFU
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γʔέϯε൪߸ͷॳظ஋Λ4:/ηάϝϯτͰૹ৴͢Δ
αʔό͸4:/ʹର͢ΔԠ౴Λૹ৴͢ΔͨΊʹࣗ਎ͷ4:/ͱɺ 
ΫϥΠΞϯτͷ4:/ʹର͢ΔԠ౴ͱͳΔ"$,Λ୯Ұͷηάϝϯτͱͯ͠ૹ৴͢Δ
ΫϥΠΞϯτ͸αʔόͷ4:/ʹԠ౴͢Δ

BDL֬ೝԠ౴൪߸

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5$1ίωΫγϣϯͷཱ֬͸ 
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5$1ίωΫγϣϯͷղ์

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ΫϥΠΞϯτPSαʔόʔ αʔόʔPSΫϥΠΞϯτ
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ʢύογϒΫϩʔζʣ
SFBE͕Λฦ͢
'*// DMPTF

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جૅதͷجૅ

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Ͱ΋ҙ֎ͱ஌Βͳ͍͜ͱ
આ໌Ͱ͖ͳ͍͜ͱ

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ͳͥͳΒউखʹ
͏·͍͜ͱ΍ͬͯ͘ΕͯΔ͔Β

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஌Βͳ͍ͱ͜ΖͰؤு͍ͬͯΔ
ͦΕ͕̩̘̥

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ΫϥΠΞϯτ αʔόʔ
TPDLFU
DPOOFDUʢϒϩοΫʣ
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BDDFQUʢϒϩοΫʣ
4:/@3$7%
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BDDFQU͔Β໭ΔɺSFBEʢϒϩοΫʣ
XSJUFɺSFBEʢϒϩοΫʣ ˝σʔλʢཁٻʣ
ʻαʔό͕ཁٻΛॲཧʼ
XSJUFɺSFBEʢϒϩοΫʣ
˝σʔλʢԠ౴ʣ
ɹཁٻͷBDL
SFBE͔Β໭Δ
DMPTF
'*/@8"*[email protected]
SFBE͔Β໭Δ
BDL֬ೝԠ౴൪߸
Ԡ౴ͷBDL
$-04&@8"*5
DMPTF
5*.&@8"*5
$-04&%
ͱ
͋
Δ
̩
̘
̥
ί
ω
Ϋ
γ
ϣ
ϯ
-"[email protected]"$,
'*/@8"*[email protected]
SFBE͕Λฦ͢
4:/@4&/5
-*45&/
͔͜͜͠
ݟͯͳ͍

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͡Ό̞̥͸ʁ
*OUFSOFU
1SPUPDPM

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̞̥͸࠷΋جຊతͳ௨৴୯Ґ
ύέοτΛ૬खʹૹ৴͢Δ

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ൃ৴ऀɺड৴ऀ͸
̞̥ʹΑͬͯಛఆ͞ΕΔ

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̞̥͸ύέοτΛૹग़͢Δ͚ͩ 
૬खʹಧ͔͘͸อূ͠ͳ͍

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࣮֬ʹૹड৴͢Δ
ඞཁ͕͋ΔͳΒ͹
̩̘̥ͳͲΛ
࢖͏ඞཁ͕͋Δ

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5$1*1ͷ௨৴͸جຊॏ͍ɻ
.Z42-1SPUPDPMͳͲ͸
4PDLFU௨৴͕ͩɺ
ͦ΋ͦ΋ωοτϫʔΫϦιʔεΛ
සൟʹ࢖͏ͱ͍͏͜ͱ͕ॏ͍
ͱ͍͏ೝࣝΛ࣋ͭ͜ͱɻ

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ఀ
ࢭ
͠
ͨࡸͷ
Ͱ
த
ୈ
ޒ࿩

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͍Α͍Α8FCαʔόͷ͓࿩

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̝̩̩̥ΛͲ͏ޮ཰ྑ͘
ॲཧ͢Δ͔ʁ

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αʔό͸ԿΛͲ͏ؤுͬͯ
͍Δͷ͔ʁɹ

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ΫϥΠΞϯτ αʔό
5$1ϙʔτΛCJOEͯ͠
MJTUFO͢Δ
(&5)551
)5510,
5$1XBZIBOETIBLF
BDDFQUͯ͠
৽͍͠઀ଓΛड͚ೖΕΔ
SFBE SFDW
Ͱ
)551ϦΫΤετΛड͚औΔ
ϦΫΤετΛॲཧ͢Δ
XSJUF TFOE
Ͱ
)551ϨεϙϯεΛฦ͢
DMPTFͯ͠5$1઀ଓΛ੾Δ
ج
ຊ
త
ͳ
ϓ
ϩ
η
ε
ॲ
ཧ

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͜ͷ··Ͱ͸εέʔϧͰ͖ͳ͍

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*0ϨϕϧͰ͸ϒϩοΫ͞ΕΔͷͰ
SFBEXSJUFத͸ଞͷ͜ͱ͕Ͱ͖ͳ͍͔Β

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ฒߦॲཧͷํ๏͸ओʹ̏ͭ

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Ϛϧνϓϩηε
ϚϧνεϨου
Πϕϯτۦಈ

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Ϛϧνϓϩηε
ϦΫΤετΛฒߦͰॲཧ͢ΔͨΊɺGPSLͰࢠϓϩηεΛੜ੒
ॲཧΛࢠϓϩηεʹ೚ͤΔɻ
GPSL͸ϝϞϦ্ͷΞυϨεۭؒΛ·Δ͝ͱผͷΞυϨεۭؒʹ
ίϐʔ͢ΔͨΊҰൠతʹ஗͍ͱݴΘΕΔɻ
͕ɺ࣮ࡍʹ͸$P8 $PQZ0O8SJUF
ͱ͍͏࢓૊ΈͰ
ϝϞϦίϐʔͷෛՙΛ཈͑Δɻ
$P8͸GPSL࣌ʹࢠϓϩηεͷԾ૝ΞυϨεۭؒʹ
਌ϓϩηεͷΞυϨεΛϚοϐϯά͠਌ࢠͰΞυϨεڞ༗͢Δɻ

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Ϛϧνϓϩηε
SP
PC hoge::i 
foo::tmp
main()
hoge()
foo()
globalHoges;
ελοΫ
ςΩετ
σʔλ
new bar[]; ώʔϓ
SP
PC hoge::i 
foo::tmp
main()
hoge()
foo()
globalHoges;
new bar[];
GPSL
ϓϩηεͷίϐʔ
Ծ૝ΞυϨεۭؒ Ծ૝ΞυϨεۭؒ
Ϩδελ Ϩδελ
1$ϓϩάϥϜΧ΢ϯλ
41ελοΫϙΠϯλ

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਌ϓϩηε
ࢠϓϩηε
ࢠϓϩηε
ࢠϓϩηε
ࢠϓϩηε
ΫϥΠΞϯτ
ΫϥΠΞϯτ
ΫϥΠΞϯτ
ΫϥΠΞϯτ
˛
GPSLͯ͠
ࢠϓϩηεΛ૿΍͢
ͦΕͧΕ͕ɺ਌ͱ
ಉ͡Α͏ʹड͚෇͚Δ
Ϛϧνϓϩηεͷ࢓૊Έ

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ϚϧνϓϩηεͷϝϦοτ
࢓૊Έ͕୯७
ϓϩάϥϚ͕ҙࣝ͠ͳ͚Ε͹ͳΒͳ͍͜ͱ͕΄΅ͳ͍ɻ
$P8ͷ࢓૊Έͷ͓͔͛ͰΞυϨεڞ༗Ͱ͖ΔͨΊɺ
ίϐʔͷෛՙ͸ࢥͬͨΑΓ΋େ͖͘ͳ͍ɻ
ॻ͖ࠐΈ࣌ʹ਌ͷϝϞϦۭؒΛࢠͷϝϞϦۭؒʹίϐʔ͢Δɻ 
౎౓GPSL͢Δ͜ͱͳ͘ɺࣄલʹGPSLͯ͠ʢQSFGPSLʣ࢖͍ճ͢͜
ͱ΋Ͱ͖Δɻ

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ϚϧνϓϩηεͷσϝϦοτ
ϝϞϦফඅྔ͕ଟ͍
$P8Ͱڞ༗͸Ͱ͖Δ͕ɺॻ͖ࠐΈઌ͸ڞ༗Ͱ͖ͳ͍ͨΊɺ 
ঃʑʹϝϞϦΛফඅ͍ͯ͘͜͠ͱʹͳΔɻ
·ͨɺࢠϓϩηεҎ্ͷΫϥΠΞϯτ਺Λಉ࣌ʹ͞͹͚ͳ͍ɻ
ݶք͕͘ΔͱXBZIBOETIBLFࡁΈͷ઀ଓ͸Ωϡʔʹͨ·Δɻ
͔͠͠ɺ୭΋BDDFQU͠ͳ͍ͨΊɺ٧·ͬͯ͠·͏ɻ

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ϚϧνεϨου
SP
PC
foo::i 
foo::j
main()
hoge()
foo()
globalHoges;
ελοΫ
ςΩετ
σʔλ
new bar[]; ώʔϓ
hoge::x 
hoge::y
εϨου̍
SP
PC
ελοΫ
εϨου̎
Ϩδελ
Ϩδελ
1$ϓϩάϥϜΧ΢ϯλ
41ελοΫϙΠϯλ
Ծ૝ΞυϨεۭؒ

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ϚϧνεϨουͷϝϦοτ
ϝϞϦফඅ͕গͳ͍ʢϓϩηεΑΓʣ
ϓϩηεͱಉ༷ʹ౎౓εϨουΛੜ੒͢Δํ๏ͱɺ 
ࣄલʹεϨουΛ͓͖ͭͬͯ͘࢖͍ճ͢ʢεϨουϓʔϧʣํ๏ 
͕͋Δɻ 
εϨου͸ϝϞϦΛ࠷ॳ͔Βڞ༗͢ΔͨΊɺ
ϓϩηεΑΓϝϞϦফඅྔ͕গͳ͍ͱݴΘΕΔɻ

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ϚϧνεϨουͷσϝϦοτ
Ϧιʔεڝ߹͕ى͖΍͍͢
ϚϧνεϨου͸ෳ਺ͷεϨου͕ϝϞϦۭؒΛڞ༗͢Δɻ
ͦͷͨΊɺϦιʔε͕ڝ߹͠ͳ͍Α͏ʹؾΛ͚ͭͯ 
ϓϩάϥϜ͠ͳ͚Ε͹ͳΒͳ͍ɻ
͖ͪΜͱཧղ͍ͯ͠ͳ͚Ε͹ɺෆՄղͳόάΛੜΈग़͢ɻ

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Πϕϯτۦಈ
ωοτϫʔΫ*0ΛଟॏԽͯ͠
ϓϩηεεϨουͰ
ෳ਺ͷωοτϫʔΫ઀ଓΛಉ࣌ʹࡹ͘
ʢOPOCMPDLJOH*0Λ༻͍Δʣ
Πϕϯτొ࿥
Πϕϯτ଴ػ
Πϕϯτॲཧ
ޙॲཧ

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ඇϒϩοΩϯά*0 OPOCMPDLJOH*0

ιέοτ͸σϑΥϧτͰϒϩοΩϯάɻ 
͜Ε͸ιέοτʹରͯ͠ଈ࠲ʹ׬ྃ͠ͳ͍γεςϜίʔϧΛ
ݺͼग़ͨ࣌͠ɺݺͼग़ͨ͠ϓϩηε͸৚݅ͷ੒ཱΛ଴ͬͯ
εϦʔϓ͢Δ͜ͱΛҙຯ͢Δɻ
ඇϒϩοΩϯά*0Ͱ͸γεςϜίʔϧΛݺͼग़ͯ͠΋*0͕
४උͰ͖͍ͯͳ͚Ε͹ϒϩοΫͤͣଈ࠲ʹΤϥʔΛฦ͢ɻ
ʢඇϒϩοΩϯά*0ͱඇಉظ*0͸ಉ͡Ͱͳ͍͜ͱʹ஫ҙʣ

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୅දతͳछྨͷ*0
w ϒϩοΩϯά*0
w ඇϒϩοΩϯά*0
w *0ͷଟॏԽ
w γάφϧۦಈ*0
w ඇಉظ*0

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ϒϩοΩϯά*0
ΞϓϦ Χʔωϧ
γεςϜίʔϧΛݺͿͱ
ΧʔωϧʹεΠον͢Δ JOJUJBUF
SFBE*0
SFBE
SFTQPOTF
σʔλΛ
Χʔωϧۭ͔ؒΒ
Ϣʔβʔۭؒ΁
3FBE

ϓϩηε͸γεςϜίʔϧͷ
ฦ౴଴ͪʹͳΓுΓ෇͘ɻ
ͦͷؒɺϓϩάϥϜͷॲཧ͕
ਐΉ͜ͱ͸Ͱ͖ͳ͍ɻ
CMPDLFE

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ඇϒϩοΩϯά*0
ΞϓϦ Χʔωϧ
ΧʔωϧʹεΠον͢Δ
JOJUJBUF
SFBE*0
SFBE
SFTQPOTF
3FBE

ϑΝΠϧσΟεΫϦϓλͷ
४උ͕׬͍ྃͯ͠ͳ͚Ε͹
ଈ࠲ʹΤϥʔΛฦ͢ɻ
ϓϩηε͸ϒϩοΫ͞Εͣɺ
ͦͷؒʹଞͷॲཧΛ͢Δ͜ͱ͕
Ͱ͖Δɻ
ଈ࠲ʹΤϥʔΛฦ͢
σʔλΛ
Χʔωϧۭ͔ؒΒ
Ϣʔβʔۭؒ΁

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*0ͷଟॏԽ
QPMM
ɺTFMFDU
ɺFQPMM

γεςϜίʔϧΛར༻͠ɺ
ෳ਺ͷσΟεΫϦϓλΛ
̍ͭͷϓϩηεͰ؅ཧ͢Δ͜ͱɻ
ೖग़ྗՄೳʹͳͬͨ৔߹ɺ
Χʔωϧ͔Β௨஌͞ΕΔɻ
ΞϓϦ Χʔωϧ
JOJUJBUF
SFBE*0
SFBE
SFTQPOTF
4FMFDU

σʔλΛ
Χʔωϧۭ͔ؒΒ
Ϣʔβʔۭؒ΁
SFBE

4FMFDUͰ
σʔλ͕ಡΊΔΑ͏ʹͳΔ
SFBE

CMPDLFE

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γάφϧۦಈ*0
σΟεΫϦϓλͷ༻ҙ͕Ͱ͖ͨ࣌ʹɺ
4*(*0γάφϧΛ༻͍ͯ௨஌͢Δɻ
γάφϧۦಈ*0Ͱ͸ɺ
*0ૢ࡞ͷىಈ͕Մೳʹͳͬͨ͜ͱΛ௨஌͢Δɻ
ඇಉظ*0Ͱ͸ɺ
*0ૢ࡞͕׬ྃͨ͜͠ͱΛ௨஌͢Δɻ
ਅͷඇಉظ*0Ͱ͸ͳ͍ɻʢ*0ૢ࡞தʹଞͷ͜ͱ͕Ͱ͖ͳ͍ʣ

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ඇಉظ*0
ΞϓϦ Χʔωϧ
ΧʔωϧʹεΠον͢Δ JOJUJBUF
SFBE*0
SFBE
SFTQPOTF
σʔλΛ
Χʔωϧۭ͔ؒΒ
Ϣʔβʔۭؒ΁
ଞ
ͷ
ॲ
ཧ
͕
Մ
ೳ
*0ॲཧ͕׬ྃͨ͠λΠϛϯάͰ
௨஌Λߦ͏ɻ
௨஌͸γάφϧ͔ίʔϧόοΫʹ
ΑͬͯߦΘΕɺ௨஌͕͘Δ·Ͱ͸
ଞͷॲཧΛ͢Δ͜ͱ͕Ͱ͖Δɻ
[email protected]

*0
QSPDFTTJOH

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ϝΠϯεϨου
ΫϥΠΞϯτ
ΫϥΠΞϯτ
ΫϥΠΞϯτ
ΫϥΠΞϯτ ετϨʔδ
ඇϒϩοΩϯά*0
*0ͷଟॏԽ
Πϕϯτۦಈͷ࢓૊Έ

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εϨουϓϩηεͳͷʹ
ͳͥฒߦॲཧͰ͖Δͷ͔ʁ
*0ΛଟॏԽ͢Δ͜ͱͰɺ
ෳ਺ͷσΟεΫϦϓλΛ؂ࢹ͠
ඇϒϩοΩϯά*0ʹΑͬͯ
౎౓ͷ΍ΓͱΓ͕Ͱ͖ΔͨΊ

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ΠϕϯτۦಈͷϝϦοτ
ʮ$,໰୊ʯʹରԠ
$,໰୊ʢΫϥΠΞϯτສ୆໰୊ʣͱ͸ϋʔυ΢ΣΞͷੑೳ
͕͕͋ͬͯ΋ɺΫϥΠΞϯτͷ਺͕ສ୆ۙ͘ʹͳΔͱɺ
ϓϩηε΍εϨουͷ਺͕૿͑͗͢Δ͜ͱʹΑΓɺ
ίϯςΩετεΠονͷΦʔόʔϔου͕େ͖͘ͳΓ͗ͯ͢
͞͹͚ͳ͘ͳΔ͜ͱɻΠϕϯτۦಈ͸͜ΕΛղܾ͢Δɻ

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ΠϕϯτۦಈͷσϝϦοτ
ϚϧνίΞ͕׆͖ͳ͍
Πϕϯτۦಈ͸جຊ̍ϓϩηε̍εϨουͷͨΊ
ϚϧνίΞͷ$16Λ׆͔͢͜ͱ͕Ͱ͖ͳ͍ɻ
·ͨɺ̍ϓϩηε̍εϨουͳͷͰɺ 
ϓϩηε͕ࢮ͵ͱ͖͸͢΂ͯר͖ࠐΜͰࢮ͵ɻ

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Α͠ϋΠϒϦουʹ͠Α͏

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w "QBDIF.1.QSFGPSLʢϚϧνϓϩηεʣ
w "QBDIF.1.XPSLFSʢϚϧνϓϩηεʴϚϧνεϨουʣ
w "QBDIF.1.FWFOUʢϚϧνϓϩηεʴΠϕϯτۦಈʣ
w **4ʢϚϧνϓϩηεʴϚϧνεϨουʣ
w OHJOYʢϚϧνϓϩηεʴΠϕϯτۦಈʣ
࣮ࡍͷ)551αʔόͰ͸ɺεέʔϧ͢ΔͨΊʹ
ඇৗʹߴ౓ͳ͜ͱ͕ߦΘΕ͍ͯ·͢ɻ
૊Έ߹ΘͤʹΑΔ࢓૊Έ
NQNNVMUJQSPDFTTJOHNPEVMF

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ࡸ
બ୒
ͷ
Λ
ୈ࿡
ɹ࿩

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ݸʑͷḉੑೳ͸
ঢ়گͱઃఆʹґΔ 
ͷͰ߇͑·͢

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·ͱΊ

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)551ͱ͸Կ͔Λ஌Δ
ωοτϫʔΫͷίετ͸ 
ඇৗʹߴ͍͜ͱʹؾΛ͚ͭΔ
8FCαʔόʹ͓͚Δ 
ฒߦԽͷ୅දతͳख๏ͱɺ 
*0ʹର͢ΔରࡦΛ஌Δ

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͍Ζ͍Ζ΍͖ͬͯͨ݁࿦ɿ 
ো֐ൃੜ࣌͸ɺ
Ͳ͜ͰϘτϧωοΫ͕ൃੜ͍ͯ͠Δ͔
໰୊ͷ੾Γ෼͚Λ·ͣߟ͑Δ͜ͱ

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠

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知っているようで知らないWebサーバアーキテクチャ

知っているようで知らないWebサーバアーキテクチャ

Yuki Tamura

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