锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久精品麻豆日日躁夜夜躁,亚洲精品无码久久毛片,久久久免费精品re6http://www.shnenglu.com/C-Student/archive/2008/07/10/55810.htmlC_StudentC_StudentThu, 10 Jul 2008 08:28:00 GMThttp://www.shnenglu.com/C-Student/archive/2008/07/10/55810.htmlhttp://www.shnenglu.com/C-Student/comments/55810.htmlhttp://www.shnenglu.com/C-Student/archive/2008/07/10/55810.html#Feedback0http://www.shnenglu.com/C-Student/comments/commentRss/55810.htmlhttp://www.shnenglu.com/C-Student/services/trackbacks/55810.html 

銆銆絎?锝?2鍙峰強絎?27鍙?鍏?4涓?鏄帶鍒跺瓧絎︽垨閫氳涓撶敤瀛楃錛屽鎺у埗絎︼細LF錛堟崲琛岋級銆丆R錛堝洖杞︼級銆丗F錛堟崲欏碉級銆丏EL錛堝垹闄わ級銆丅EL錛堟尟閾冿級絳夛紱閫氳涓撶敤瀛楃錛歋OH錛堟枃澶達級銆丒OT錛堟枃灝撅級銆丄CK錛堢‘璁わ級絳夛紱

銆銆絎?3锝?26鍙?鍏?4涓?鏄瓧絎︼紝鍏朵腑絎?8锝?7鍙蜂負0锝?鍗佷釜闃挎媺浼暟瀛楋紱65锝?0鍙蜂負26涓ぇ鍐欒嫳鏂囧瓧姣嶏紝97锝?22鍙蜂負26涓皬鍐欒嫳鏂囧瓧姣嶏紝鍏朵綑涓轟竴浜涙爣鐐圭鍙楓佽繍綆楃鍙風瓑銆?

銆銆娉ㄦ剰錛氬湪璁$畻鏈虹殑瀛樺偍鍗曞厓涓紝涓涓狝SCII鐮佸煎崰涓涓瓧鑺?8涓簩榪涘埗浣?錛屽叾鏈楂樹綅(b7)鐢ㄤ綔濂囧伓鏍¢獙浣嶃傛墍璋撳鍋舵牎楠岋紝鏄寚鍦ㄤ唬鐮佷紶閫佽繃紼嬩腑鐢ㄦ潵媯楠屾槸鍚﹀嚭鐜伴敊璇殑涓縐嶆柟娉曪紝涓鑸垎濂囨牎楠屽拰鍋舵牎楠屼袱縐嶃傚鏍¢獙瑙勫畾錛氭紜殑浠g爜涓涓瓧鑺備腑1鐨勪釜鏁板繀欏繪槸濂囨暟錛岃嫢闈炲鏁幫紝鍒欏湪鏈楂樹綅b7娣?錛涘伓鏍¢獙瑙勫畾錛氭紜殑浠g爜涓涓瓧鑺備腑1鐨勪釜鏁板繀欏繪槸鍋舵暟錛岃嫢闈炲伓鏁幫紝鍒欏湪鏈楂樹綅b7娣?銆?

銆銆涓轟簡渚夸簬鏌ヨ錛屼互涓嬪垪鍑篈SCII鐮佽〃錛?

銆銆絎?28锝?55鍙蜂負鎵╁睍瀛楃錛堜笉甯哥敤錛?/p>
Dec Hx Oct Char Dec Hx Oct Char Dec Hx Oct Char Dec Hx Oct Char
0 0 000 NUL (null) 32 20 040 SPACE 64 40 100 @ 96 60 140 `
1 1 001 SOH (start of heading) 33 21 041 ! 65 41 101 A 97 61 141 a
2 2 002 STX (start of text) 34 22 042 " 66 42 102 B 98 62 142 b
3 3 003 ETX (end of text) 35 23 043 # 67 43 103 C 99 63 143 c
4 4 004 EOT (end of transmission) 36 24 044 $ 68 44 104 D 100 64 144 d
5 5 005 ENQ (enquiry) 37 25 045 % 69 45 105 E 101 65 145 e
6 6 006 ACK (acknowledge) 38 26 046 & 70 46 106 F 102 66 146 f
7 7 007 BEL (bell) 39 27 047 ' 71 47 107 G 103 67 147 g
8 8 010 BS (backspace) 40 28 050 ( 72 48 110 H 104 68 150 h
9 9 011 TAB (horizontal tab) 41 29 051 ) 73 49 111 I 105 69 151 i
10 A 012 LF (NL line feed, new_line) 42 2A 052 * 74 4A 112 J 106 6A 152 j
11 B 013 VT (vertical tab) 43 2B 053 + 75 4B 113 K 107 6B 153 k
12 C 014 FF (NP form feed, new page) 44 2C 054 , 76 4C 114 L 108 6C 154 l
13 D 015 CR (carriage return) 45 2D 055 - 77 4D 115 M 109 6D 155 m
14 E 016 SO (shift out) 46 2E 056 . 78 4E 116 N 110 6E 156 n
15 F 017 SI (shift in) 47 2F 057 / 79 4F 117 O 111 6F 157 o
16 10 020 DLE (data link escape) 48 30 060 0 80 50 120 P 112 70 160 p
17 11 021 DC1 (device control 1) 49 31 061 1 81 51 121 Q 113 71 161 q
18 12 022 DC2 (device control 2) 50 32 062 2 82 52 122 R 114 72 162 r
19 13 023 DC3 (device control 3) 51 33 063 3 83 53 123 S 115 73 163 s
20 14 024 DC4 (device control 4) 52 34 064 4 84 54 124 T 116 74 164 t
21 15 025 NAK (negative acknowledge) 53 35 065 5 85 55 125 U 117 75 165 u
22 16 026 SYN (synchronous idle) 54 36 066 6 86 56 126 V 118 76 166 v
23 17 027 ETB (end of trans. block) 55 37 067 7 87 57 127 W 119 77 167 w
24 18 030 CAN (cancel) 56 38 070 8 88 58 130 X 120 78 170 x
25 19 031 EM (end of medium) 57 39 071 9 89 59 131 Y 121 79 171 y
26 1A 032 SUB (substitute) 58 3A 072 : 90 5A 132 Z 122 7A 172 z
27 1B 033 ESC (escape) 59 3B 073 ; 91 5B 133 [ 123 7B 173 {
28 1C 034 FS (file separator) 60 3C 074 < 92 5C 134 \ 124 7C 174
29 1D 035 GS (group separator) 61 3D 075 = 93 5D 135 ] 125 7D 175 }
30 1E 036 RS (record separator) 62 3E 076 > 94 5E 136 ^ 126 7E 176 ~
31 1F 037 US (unit separator) 63 3F 077 ? 95 5F 137 _ 127 7F 177 DEL

鎵╁厖瀛楃闆?Extended Character Set)

image:鏌SC鐮?ascii.gif

ISO Latin-1瀛楃闆?緙栫爜160-255)

緙栫爜 瀛楃 緙栫爜 瀛楃 緙栫爜 瀛楃 緙栫爜 瀛楃
160 172 ¬ 184 ¸ 196 Ä
161 ¡ 173 185 ¹ 197 Å
162 ¢ 174 ® 186 º 198 Æ
163 £ 175 ÷ 187 » 199 Ç
164 ¤ 176 188 ¼ 200 È
165 ¥ 177 ± 189 ½ 201 É
166 ¦ 178 ² 190 ¾ 202 Ê
167 179 ³ 191 ¿ 203 Ë
168 ¨ 180 ´ 192 À 204 Ì
169 © 181 µ 193 Á 205 Í
170 ª 182 194 Â 206 Î
171 « 183 · 195 Ã 207 Ï
緙栫爜 瀛楃 緙栫爜 瀛楃 緙栫爜 瀛楃 緙栫爜 瀛楃
208 Ð 220 Ü 232 è 244 ô
209 Ñ 221 Ý 233 é 245 õ
210 Ò 222 Þ 234 ê 246 ö
211 Ó 223 ß 235 ë 247 ÷
212 Ô 224 à 236 ì 248 ø
213 Õ 225 á 237 í 249 ù
214 Ö 226 â 238 î 250 ú
215 鈯?/td> 227 ã 239 ï 251 û
216 Ø 228 ä 240 ð 252 ü
217 Ù 229 å 241 ñ 253 ý
218 Ú 230 æ 242 ò 254 þ
219 Û 231 ç 243 ó 255 ÿ


C_Student 2008-07-10 16:28 鍙戣〃璇勮
]]>
C璇█extern (extern鍏抽敭瀛楀熀鏈В閲?http://www.shnenglu.com/C-Student/archive/2008/07/10/55787.htmlC_StudentC_StudentThu, 10 Jul 2008 03:34:00 GMThttp://www.shnenglu.com/C-Student/archive/2008/07/10/55787.htmlhttp://www.shnenglu.com/C-Student/comments/55787.htmlhttp://www.shnenglu.com/C-Student/archive/2008/07/10/55787.html#Feedback0http://www.shnenglu.com/C-Student/comments/commentRss/55787.htmlhttp://www.shnenglu.com/C-Student/services/trackbacks/55787.html1 鍩烘湰瑙i噴

銆銆extern鍙互緗簬鍙橀噺鎴栬?a target=_blank>鍑芥暟鍓嶏紝浠ユ爣紺哄彉閲忔垨鑰?a target=_blank>鍑芥暟鐨勫畾涔夊湪鍒殑鏂囦歡涓紝鎻愮ず緙栬瘧鍣ㄩ亣鍒版鍙橀噺鍜?a target=_blank>鍑芥暟鏃跺湪鍏朵粬妯″潡涓鎵懼叾瀹氫箟銆?br>
銆銆鍙﹀錛宔xtern涔熷彲鐢ㄦ潵榪涜閾炬帴鎸囧畾銆?/span>

2 闂錛歟xtern 鍙橀噺

銆銆鍦ㄤ竴涓簮鏂囦歡閲屽畾涔変簡涓涓暟緇勶細char a[6];
銆銆鍦ㄥ彟澶栦竴涓枃浠墮噷鐢ㄤ笅鍒楄鍙ヨ繘琛屼簡澹版槑錛歟xtern char *a錛?br>銆銆璇烽棶錛岃繖鏍峰彲浠ュ悧錛?


銆銆絳旀涓庡垎鏋愶細
銆銆1)銆佷笉鍙互錛岀▼搴忚繍琛屾椂浼氬憡璇変綘闈炴硶璁塊棶銆傚師鍥犲湪浜庯紝鎸囧悜綾誨瀷T鐨?a target=_blank>鎸囬拡騫朵笉絳変環浜庣被鍨婽鐨勬暟緇勩俥xtern char *a澹版槑鐨勬槸涓涓?a target=_blank>鎸囬拡鍙橀噺鑰屼笉鏄瓧絎︽暟緇勶紝鍥犳涓庡疄闄呯殑瀹氫箟涓嶅悓錛屼粠鑰岄犳垚榪愯鏃墮潪娉曡闂傚簲璇ュ皢澹版槑鏀逛負extern char a[ ]銆?br>
銆銆2)銆佷緥瀛愬垎鏋愬涓嬶紝濡傛灉a[] = "abcd",鍒欏閮ㄥ彉閲廰=0x61626364 (abcd鐨凙SCII鐮佸?錛?a鏄劇劧娌℃湁鎰忎箟

銆銆鏄劇劧a鎸囧悜鐨勭┖闂達紙0x61626364錛夋病鏈夋剰涔夛紝鏄撳嚭鐜伴潪娉曞唴瀛樿闂?br>
銆銆3)銆佽繖鎻愮ず鎴戜滑錛屽湪浣跨敤extern鏃跺欒涓ユ牸瀵瑰簲澹版槑鏃剁殑鏍煎紡錛屽湪瀹為檯緙栫▼涓紝榪欐牱鐨勯敊璇薄瑙佷笉椴溿?br>
銆銆4)銆乪xtern鐢ㄥ湪鍙橀噺澹版槑涓父甯告湁榪欐牱涓涓綔鐢紝浣犲湪*.c鏂囦歡涓0鏄庝簡涓涓叏灞鐨勫彉閲忥紝榪欎釜鍏ㄥ眬鐨勫彉閲忓鏋滆琚紩鐢紝灝辨斁鍦?.h涓茍鐢╡xtern鏉ュ0鏄庛?br>

4 闂錛歟xtern 鍑芥暟2

銆銆褰?a target=_blank>鍑芥暟鎻愪緵鏂瑰崟鏂歸潰淇敼鍑芥暟鍘熷瀷鏃訛紝濡傛灉浣跨敤鏂逛笉鐭ユ儏緇х畫娌跨敤鍘熸潵鐨別xtern鐢蟲槑錛岃繖鏍風紪璇戞椂緙栬瘧鍣ㄤ笉浼氭姤閿欍備絾鏄湪榪愯榪囩▼涓紝鍥犱負灝戜簡鎴栬呭浜嗚緭鍏ュ弬鏁幫紝寰寰浼氱収鎴愮郴緇熼敊璇紝榪欑鎯呭喌搴旇濡備綍瑙e喅錛?br>
銆銆絳旀涓庡垎鏋愶細

銆銆鐩墠涓氱晫閽堝榪欑鎯呭喌鐨勫鐞嗘病鏈変竴涓緢瀹岀編鐨勬柟妗堬紝閫氬父鐨勫仛娉曟槸鎻愪緵鏂瑰湪鑷繁鐨剎xx_pub.h涓彁渚涘澶栭儴鎺ュ彛鐨勫0鏄庯紝鐒跺悗璋冪敤鏂筰nclude璇ュご鏂囦歡錛屼粠鑰岀渷鍘籩xtern榪欎竴姝ャ備互閬垮厤榪欑閿欒銆?br>
銆銆瀹濆墤鏈夊弻閿嬶紝瀵筫xtern鐨勫簲鐢紝涓嶅悓鐨勫満鍚堝簲璇ラ夋嫨涓嶅悓鐨勫仛娉曘?/span>

5 闂錛歟xtern “C”

銆銆鍦?a target=_blank>C++鐜涓嬩嬌鐢–鍑芥暟鐨勬椂鍊欙紝甯稿父浼氬嚭鐜扮紪璇戝櫒鏃犳硶鎵懼埌obj妯″潡涓殑C鍑芥暟瀹氫箟錛屼粠鑰屽鑷撮摼鎺ュけ璐ョ殑鎯呭喌錛屽簲璇ュ浣曡В鍐寵繖縐嶆儏鍐靛憿錛?br>
銆銆絳旀涓庡垎鏋愶細

銆銆C++璇█鍦ㄧ紪璇戠殑鏃跺欎負浜嗚В鍐?a target=_blank>鍑芥暟鐨勫鎬侀棶棰橈紝浼氬皢鍑芥暟鍚嶅拰鍙傛暟鑱斿悎璧鋒潵鐢熸垚涓涓腑闂寸殑鍑芥暟鍚嶇О錛岃?a target=_blank>C璇█鍒欎笉浼氾紝鍥犳浼氶犳垚閾炬帴鏃舵壘涓嶅埌瀵瑰簲鍑芥暟鐨勬儏鍐碉紝姝ゆ椂C鍑芥暟灝遍渶瑕佺敤extern “C”榪涜閾炬帴鎸囧畾錛岃繖鍛婅瘔緙栬瘧鍣紝璇蜂繚鎸佹垜鐨勫悕縐幫紝涓嶈緇欐垜鐢熸垚鐢ㄤ簬閾炬帴鐨勪腑闂?a target=_blank>鍑芥暟鍚嶃?br>
銆銆涓嬮潰鏄竴涓爣鍑嗙殑鍐欐硶錛?br>
//鍦?h鏂囦歡鐨勫ご涓?br>#ifdef __cplusplus
#if __cplusplus
extern "C"{
銆#endif
銆#endif /* __cplusplus */
銆…
銆…
銆//.h鏂囦歡緇撴潫鐨勫湴鏂?br>銆#ifdef __cplusplus
銆#if __cplusplus
}
#endif
#endif /* __cplusplus */
 

3 闂錛歟xtern 鍑芥暟1

銆銆甯稿父瑙乪xtern鏀懼湪鍑芥暟鐨勫墠闈㈡垚涓?a target=_blank>鍑芥暟澹版槑鐨勪竴閮ㄥ垎錛岄偅涔堬紝C璇█鐨勫叧閿瓧extern鍦?a target=_blank>鍑芥暟鐨勫0鏄庝腑璧蜂粈涔堜綔鐢紵

銆銆絳旀涓庡垎鏋愶細

銆銆濡傛灉鍑芥暟鐨勫0鏄庝腑甯︽湁鍏抽敭瀛梕xtern錛屼粎浠呮槸鏆楃ず榪欎釜鍑芥暟鍙兘鍦ㄥ埆鐨勬簮鏂囦歡閲屽畾涔夛紝娌℃湁鍏跺畠浣滅敤銆傚嵆涓嬭堪涓や釜鍑芥暟澹版槑娌℃湁鏄庢樉鐨勫尯鍒細

extern int f(); 鍜宨nt f();
銆銆褰撶劧錛岃繖鏍風殑鐢ㄥ榪樻槸鏈夌殑錛屽氨鏄湪紼嬪簭涓彇浠nclude “*.h”鏉ュ0鏄?a target=_blank>鍑芥暟錛屽湪涓浜涘鏉傜殑欏圭洰涓紝鎴戞瘮杈冧範鎯湪鎵鏈夌殑鍑芥暟澹版槑鍓嶆坊鍔爀xtern淇グ銆?/span>

C_Student 2008-07-10 11:34 鍙戣〃璇勮
]]>
extern "C"璇存槑 鍙?鐢ㄦ硶http://www.shnenglu.com/C-Student/archive/2008/07/10/55774.htmlC_StudentC_StudentThu, 10 Jul 2008 01:07:00 GMThttp://www.shnenglu.com/C-Student/archive/2008/07/10/55774.htmlhttp://www.shnenglu.com/C-Student/comments/55774.htmlhttp://www.shnenglu.com/C-Student/archive/2008/07/10/55774.html#Feedback0http://www.shnenglu.com/C-Student/comments/commentRss/55774.htmlhttp://www.shnenglu.com/C-Student/services/trackbacks/55774.htmlextern "C"{}鐨勪綔鐢ㄥ氨鏄鏄庤繖鍦▄}鑼冨洿涔嬪唴璇存槑鐨勫嚱鏁版槸鎸塩錛屾垨鑰呴渶瑕佹寜c鏍囧噯鏉ョ紪璇戙傚彲浠ヤ粠澹版槑璋冪敤浜屼釜鏂歸潰鏉ユ弿榪板畠鐨勪綔鐢細
1.澹版槑
  浠ヤ笅c++浠g爜錛?
  extern "C" { void test() }
  void test()
  {
    // do test
  }
琛ㄧず甯屾湜緙栬瘧鍣ㄤ嬌鐢╟鏍囧噯鏉ョ紪璇憈est鍑芥暟銆傝屽湪c璇█涓笉鏀寔extern "C"銆?
2.c++浠g爜璋冪敤c浠g爜
  extern "C" { void test() //test()鏄痗浠g爜鎴栬呮垨鑰呰鏄庢槸鎸塩鏍囧噯緙栬瘧鐨勪唬鐮?}
  int main()
  {
     test();
  }
 鏃犺test鍑芥暟鏄痗鍐欑殑榪樻槸c++鍐欑殑錛屽彧瑕佸畠鏄寜c鏍囧噯緙栬瘧鐨勶紝灝遍渶瑕佸姞涓奺xtern "C" 澹版槑
3.c璋冪敤c++浠g爜
  c瑕佽皟鐢╟++浠g爜錛屽湪c++浠g爜涓繀欏諱互extern "C" 鏉ュ0鏄庡嚱鏁幫紝濡備笂鏂?鎵紺恒備互涓嬫槸c浠g爜
  void test();
  int main()
  {
     test();
  }

渚嬪錛?br>#ifdef   __cplusplus     /*   __cplusplus  琛ㄧず鏄疌++紼嬪簭 */ 
  extern   "C"   {       //榪欐槸浠涔堟剰鎬?  錛燂紵錛燂紵錛燂紵錛燂紵錛燂紵錛燂紵錛? 
  #endif   /*   __cplusplus   */

琛ㄧず濡傛灉鐜板湪鐨勭紪璇戠幆澧冩槸C++鐨勮瘽錛岃緙栬瘧鍣ㄧ敓鎴怌鏍峰紡鐨勫嚱鏁板悕錛屼篃灝辨槸闃繪緙栬瘧鍣ㄤ嬌鐢–++鐨勬柟娉曡繘琛屽嚱鏁板悕瑙f瀽銆?br>
C++涓洜涓哄嚱鏁板彲浠ラ噸杞?  
  int   a(char)  
  int   a(int)  
  int   a(double)...  
  鎵浠?鍦ㄧ紪璇戝悗鐨勪唬鐮侀噷,涓変釜a()鏄笉鍚岀殑鍑芥暟鍚嶅a_char_xxx,a_in_xxx,a_double_xxx絳夌瓑.

瑕佸幓鎺夊悗闈㈢殑涓澶т覆絎﹀彿鍙鍦╝()鍓嶉潰鍔犱笂exter   "C"鍗沖彲

鍦―LL鐨勫澶栨帴鍙e嚱鏁頒腑,蹇呴』鐢╡xter   "C"   闄愬埗,鍚﹀垯,澶栭儴璋冪敤鑰呮牴鏈笉鐭ラ亾浣犵殑鐪熸鍑芥暟鍚?

1   VC6.0緙栬瘧鍣ㄥ彲浠ユ寜C++鎴朇鐢熸垚鐩爣鍑芥暟.   涓よ呯敓鎴愮殑鐩爣絎﹀彿琛? 
      騫朵笉涓鏍?   C鏂瑰紡鏄笌鍘熸潵鏍囧噯C鐩稿吋瀹?   
2   鍦―LL涓殑鎺ュ彛鍑芥暟涓鑸簲鎸塁鏂瑰紡緙栬瘧鑰屾垚.   extern   "C"   灝辨槸寮? 
      鍒舵寚瀹?   濡傛灉涓嶆寜榪欑鏂瑰紡鎸囧畾.GetProcAddress(...)鍙栧嚭鏉ョ殑   
      灝變笉瀵?   鍙兘闅愬紡榪炴帴.

  extern   "c"   鐨勪綔鐢ㄥ氨鏄嬌寰楀嚱鏁扮殑瀹氫箟鍚嶇О鍜屽鍑哄悕縐頒竴鑷?/p>

C_Student 2008-07-10 09:07 鍙戣〃璇勮
]]>
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