{"id":87717,"date":"2026-07-30T19:24:29","date_gmt":"2026-07-30T11:24:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87717.html"},"modified":"2026-07-30T19:24:29","modified_gmt":"2026-07-30T11:24:29","slug":"%e3%80%9000002%e3%80%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87717.html","title":{"rendered":"\u301000002\u3011"},"content":{"rendered":"

\u4e8c\u3001C\u8bed\u8a00<\/h2>\n

2.1\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/h2>\n

1.C\u8bed\u8a00\u5f00\u53d1\u6b65\u9aa4<\/h3>\n

（1） vi\u7f16\u8f91\u5668<\/h4>\n

1.\u4f7f\u7528vi\u6253\u5f00\u8f6f\u4ef6<\/p>\n

\u00a0 \u00a0 vi filename.c<\/span><\/span><\/p>\n

vi\u7f16\u8f91\u5668\u4e09\u79cd\u6a21\u5f0f：
\n\u5e95\u884c\u6a21\u5f0f（\u9ed8\u8ba4，\u5176\u4f59\u6a21\u5f0f\u53ef\u4ee5ESC\u8fdb\u5165\u5e95\u884c\u6a21\u5f0f）
\n\u63d2\u5165\u6a21\u5f0f（\u5e95\u884c\u6a21\u5f0f\u8f93\u5165i\u3001a\u3001o\u5747\u53ef\u8fdb\u5165\u63d2\u5165\u6a21\u5f0f）
\n\u547d\u4ee4\u6a21\u5f0f（\u5e95\u884c\u6a21\u5f0f\u8f93\u5165: \u8fdb\u5165\u547d\u4ee4\u6a21\u5f0f）<\/p>\n

:wq<\/span> \u4fdd\u5b58\u5e76\u4e14\u9000\u51fa
\n:w<\/span> \u53ea\u4fdd\u5b58\u4e0d\u9000\u51fa
\n:q<\/span> \u76f4\u63a5\u9000\u51fa
\n:q!<\/span> \u4e0d\u4fdd\u5b58\u5f3a\u5236\u9000\u51fa
\n:wq! <\/span>\u5f3a\u5236\u4fdd\u5b58\u5e76\u4e14\u9000\u51fa<\/p>\n

2. \u70b9\u51fb i<\/span> \u952e\u8fdb\u5165\u63d2\u5165\u6a21\u5f0f
\n3. \u7f16\u5199\u4ee3\u7801<\/p>\n

\u00a0 \u00a0 #include <stdio.h><\/span><\/span>
\n\u00a0 \u00a0 int main(void)<\/span>
\n\u00a0 \u00a0 {<\/span>
\n\u00a0 \u00a0 \u00a0 printf("Hello World!\\\\n");<\/span>
\n\u00a0 \u00a0 \u00a0 return 0;<\/span><\/span><\/p>\n

\u00a0 \u00a0 }<\/span><\/span>
\n4. \u70b9\u51fbESC<\/span>
\n5. \u8f93\u5165:wq<\/span>\u4fdd\u5b58\u5e76\u4e14\u9000\u51fa<\/p>\n

（2）gcc\u7f16\u8bd1\u5668<\/h4>\n

1.\u7f16\u8bd1C\u8bed\u8a00\u4ee3\u7801<\/h5>\n

\u00a0 \u00a0 <\/span>gcc filename.c<\/span><\/span>
\n\u00a0 \u00a0 <\/span><\/span>gcc filename.c -o filename<\/span><\/span><\/p>\n

\u6ce8\u610f：
\n\u5982\u679c\u4e0d\u6307\u5b9a\u751f\u6210\u4e8c\u8fdb\u5236\u7684\u7a0b\u5e8f\u540d，\u9ed8\u8ba4\u4f1a\u751f\u6210a.out
\n\u5982\u679c\u7f16\u8bd1\u62a5\u9519\u9700\u8981\u91cd\u65b0\u6253\u5f00\u4ee3\u7801\u4fee\u6539\u8bed\u6cd5\u95ee\u9898
\n\u5982\u679c\u7f16\u8bd1\u62a5\u8b66\u544a，\u6700\u597d\u6253\u5f00\u4ee3\u7801\u4fee\u6539\u544a\u8b66\u95ee\u9898<\/p>\n

2.gcc\u7f16\u8bd1\u6d41\u7a0b<\/h5>\n
\u9884\u5904\u7406<\/h6>\n

\u5904\u7406\u548c#\u53f7\u76f8\u5173\u7684\u4ee3\u7801
\n#include<\/span> \u5934\u6587\u4ef6\u5305\u542b
\n\u5c06\u5934\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u5c55\u5f00
\n#define <\/span>\u5b8f\u5b9a\u4e49
\n\u5c06\u5b8f\u5b9a\u4e49\u5b8c\u6210\u66ff\u6362
\n#if\u00a0 #endif\u00a0 #else\u00a0 #elif\u00a0 #ifndef\u00a0 #ifdef<\/span> \u6761\u4ef6\u7f16\u8bd1<\/p>\n

\u00a0 \u00a0 gcc -E filename.c -o filename.i<\/span><\/p>\n

\u7f16\u8bd1<\/span><\/h6>\n

\u5c06C\u8bed\u8a00\u4ee3\u7801\u7f16\u8bd1\u6210\u6c47\u7f16\u4ee3\u7801<\/span><\/p>\n

\u00a0 \u00a0 gcc -S filename.c -o filename.s<\/span><\/p>\n

\u6c47\u7f16<\/span><\/h6>\n

\u5c06\u6c47\u7f16\u4ee3\u7801\u7f16\u8bd1\u6210\u4e8c\u8fdb\u5236\u4ee3\u7801<\/span><\/p>\n

\u00a0 \u00a0 gcc -c filename.c -o filename.o<\/span><\/p>\n

\u94fe\u63a5<\/span><\/h6>\n

\u5c06\u591a\u4e2a\u4e8c\u8fdb\u5236\u4ee3\u7801\u94fe\u63a5\u4e3a\u4e00\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f<\/span><\/p>\n

\u00a0 \u00a0 gcc filename.c -o filename<\/span><\/p>\n

（3）\u8fd0\u884c\u4ee3\u7801<\/h4>\n

\u00a0 \u00a0 .\/\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u540d<\/span><\/span><\/p>\n

2.\u57fa\u7840\u77e5\u8bc6<\/h3>\n

（1）\u7a0b\u5e8f\u5982\u4f55\u5728\u8ba1\u7b97\u673a\u4e2d\u8fd0\u884c<\/h4>\n

1. \u7f16\u5199C\u8bed\u8a00\u4ee3\u7801\u548c\u7f16\u8bd1\u597d\u7684\u4e8c\u8fdb\u5236\u53ef\u6267\u884c\u7a0b\u5e8f\u90fd\u5b58\u653e\u5728\u5916\u5b58\u4e2d
\n2. \u5f53\u6267\u884c\u4ee3\u7801\u65f6，\u4f1a\u5c06\u5916\u5b58\u4e2d\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\u653e\u5165\u5185\u5b58\u4e2d\u6267\u884c\u4e0eCPU\u4ea4\u4e92\u5b9e\u73b0\u5bf9\u5e94\u529f\u80fd
\n3. \u5f53\u4ee3\u7801\u6267\u884c\u7ed3\u675f\u540e，\u4f1a\u5c06\u5185\u5b58\u4e2d\u4e8c\u8fdb\u5236\u4ee3\u7801\u53ca\u5176\u6267\u884c\u7a7a\u95f4\u56de\u6536\u6389<\/p>\n

（2）\u8ba1\u7b97\u673a\u4e2d\u6570\u636e\u91cf\u7684\u5355\u4f4d<\/h4>\n

1. \u8ba1\u7b97\u673a\u4e2d\u53ea\u67090\u30011\u4e8c\u8fdb\u5236\u6570\u636e
\n2. 1bit（\u4f4d）
\n3. 1byte（\u5b57\u8282）\u00a0== 8bit
\n4. 1kb == 1024 bytes
\n5. 1mb == 1024 kb
\n6. 1gb == 1024 mb
\n7. 1tb == 1024 gb<\/p>\n

（3）\u8fdb\u5236\u8f6c\u6362<\/h4>\n

1. \u4e8c\u8fdb\u5236（0b）：\u9022\u4e8c\u8fdb\u4e00 0 1
\n2. \u516b\u8fdb\u5236（0\/0o）：\u9022\u516b\u8fdb\u4e00 0 1 2 3 4 5 6 7
\n3. \u5341\u8fdb\u5236：\u9022\u5341\u8fdb\u4e00 0 1 2 3 4 5 6 7 8 9
\n4. \u5341\u516d\u8fdb\u5236（0x）：\u9022\u5341\u516d\u8fdb\u4e00 0 1 2 3 4 5 6 7 8 9 a b c d e f
\n5. \u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u3001\u5341\u516d\u8fdb\u5236\u8f6c\u5341\u8fdb\u5236
\n\u00a0 \u5bf9\u5e94\u4f4d * \u5bf9\u5e94\u4f4d\u7684\u6743\u503c\u518d\u6c42\u548c
\n6. \u5341\u8fdb\u5236\u8f6c\u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u3001\u5341\u516d\u8fdb\u5236
\n\u00a0 \u5341\u8fdb\u5236\u6570\u9664\u4ee5\u8fdb\u5236\u6570\u5f97\u5230\u7684\u4f59\u6570\u9006\u5e8f\u6392\u5217
\n7. \u4e8c\u8fdb\u5236\u8f6c\u6362\u4e3a\u516b\u8fdb\u5236
\n\u00a0 \u4e8c\u8fdb\u5236\u4e09\u4f4d\u5bf9\u5e94\u516b\u8fdb\u52361\u4f4d
\n8. \u4e8c\u8fdb\u5236\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236
\n\u00a0 \u4e8c\u8fdb\u5236\u56db\u4f4d\u5bf9\u5e94\u5341\u516d\u8fdb\u52361\u4f4d\"\"<\/p>\n

3.\u57fa\u672c\u6570\u636e\u7c7b\u578b<\/h3>\n

\u6570\u636e\u7c7b\u578b：\u6570\u636e\u5bf9\u8c61\u7684\u7279\u6027
\n\u57fa\u672c\u6570\u636e\u7c7b\u578b：C\u8bed\u8a00\u4e2d\u5df2\u7ecf\u5b9a\u4e49\u597d\u7684\u6570\u636e\u7c7b\u578b
\n\u6574\u6570\u7c7b\u578b：123
\n\u6d6e\u70b9\u6570\u7c7b\u578b：（\u5c0f\u6570\u7c7b\u578b\/\u5b9e\u6570\u7c7b\u578b） 3.14
\n\u5b57\u7b26\u578b：'A' '!'
\n\u903b\u8f91\u7c7b\u578b：true false
\n\u7f3a\u7701\u7c7b\u578b：void
\n\u6784\u9020\u6570\u636e\u7c7b\u578b：\u9700\u8981\u7528\u6237\u81ea\u5df1\u5b9a\u4e49\u7684\u6570\u636e\u7c7b\u578b<\/p>\n

（1）\u6574\u6570\u7c7b\u578b<\/h4>\n

1.short（\u77ed\u6574\u578b）<\/h5>\n

\u53602\u4e2a\u5b57\u8282<\/p>\n

singed short（\u9ed8\u8ba4）：<\/h6>\n

signed short\u7c7b\u578b\u6700\u5de6\u8fb9\u76841bit\u8868\u793a\u7b26\u53f7\u4f4d（0\u4e3a\u6b63\u30011\u4e3a\u8d1f），\u5176\u4f59\u4f4d\u8868\u793a\u6570\u636e\u4f4d（\u6570\u636e
\n\u4f4d\u6309\u7167\u8865\u7801\u5b58\u653e）<\/p>\n

\u8d1f\u6570\u8865\u7801=\u539f\u7801->\u53cd\u7801+1<\/span><\/p>\n

signed short\u7c7b\u578b\u8868\u793a\u8303\u56f4：-32768 — 32767<\/p>\n

unsigned short：<\/h6>\n

unsigned short\u7c7b\u578b\u6240\u6709\u5b57\u8282\u7a7a\u95f4\u5747\u5b58\u50a8\u6570\u636e\u4f4d<\/p>\n

unsiged short\u7c7b\u578b\u8868\u793a\u8303\u56f4： 0 — 65535<\/p>\n

2.int（\u6574\u578b）<\/h5>\n

\u53604\u4e2a\u5b57\u8282<\/p>\n

singed int（\u9ed8\u8ba4）：<\/h6>\n

signed int\u7c7b\u578b\u6700\u5de6\u8fb9\u76841bit\u8868\u793a\u7b26\u53f7\u4f4d（0\u4e3a\u6b63\u30011\u4e3a\u8d1f），\u5176\u4f59\u4f4d\u8868\u793a\u6570\u636e\u4f4d（\u6570\u636e
\n\u4f4d\u6309\u7167\u8865\u7801\u5b58\u653e）<\/p>\n

signed int\u7c7b\u578b\u8868\u793a\u8303\u56f4：-21\u4ebf — 21\u4ebf<\/p>\n

unsigned int：<\/h6>\n

unsigned int\u7c7b\u578b\u6240\u6709\u5b57\u8282\u7a7a\u95f4\u5747\u5b58\u50a8\u6570\u636e\u4f4d<\/p>\n

unsiged int\u7c7b\u578b\u8868\u793a\u8303\u56f4： 0 — 42\u4ebf<\/p>\n

3.long（\u957f\u6574\u578b）<\/h5>\n

\u53608\u4e2a\u5b57\u8282<\/p>\n

singed long（\u9ed8\u8ba4）：<\/h6>\n

signed long\u7c7b\u578b\u6700\u5de6\u8fb9\u76841bit\u8868\u793a\u7b26\u53f7\u4f4d（0\u4e3a\u6b63\u30011\u4e3a\u8d1f），\u5176\u4f59\u4f4d\u8868\u793a\u6570\u636e\u4f4d（\u6570\u636e
\n\u4f4d\u6309\u7167\u8865\u7801\u5b58\u653e）<\/p>\n

signed long\u7c7b\u578b\u8868\u793a\u8303\u56f4：-2^32 — 2^32 -1<\/p>\n

unsigned long：<\/h6>\n

unsigned long\u7c7b\u578b\u6240\u6709\u5b57\u8282\u7a7a\u95f4\u5747\u5b58\u50a8\u6570\u636e\u4f4d<\/p>\n

unsiged long\u7c7b\u578b\u8868\u793a\u8303\u56f4： 0 — 2^64 -1<\/p>\n

（2）\u6d6e\u70b9\u6570\u7c7b\u578b<\/h4>\n

1.float（\u5355\u7cbe\u5ea6\u6d6e\u70b9\u6570\u7c7b\u578b）<\/h5>\n

\u53604\u4e2a\u5b57\u8282
\n\u6240\u6709\u7684float\u7c7b\u578b\u5747\u4e3a\u6709\u7b26\u53f7
\n1\u4f4d\u7b26\u53f7\u4f4d + 8\u6307\u6570\u4f4d + 23\u5c3e\u6570\u4f4d
\nfloat\u7c7b\u578b 6-8\u4f4d\u6709\u6548\u6570\u5b57<\/p>\n

2.double（\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u7c7b\u578b）<\/h5>\n

\u53608\u4e2a\u5b57\u8282<\/p>\n

\u6240\u6709\u7684double\u7c7b\u578b\u5747\u4e3a\u6709\u7b26\u53f7
\n1\u4f4d\u7b26\u53f7\u4f4d + 11\u6307\u6570\u4f4d + 52\u5c3e\u6570\u4f4d
\ndouble\u7c7b\u578b12-16\u4f4d\u6709\u6548\u6570\u5b57<\/p>\n

（3）\u5b57\u7b26\u578b<\/h4>\n

char：\u8be5\u7c7b\u578b\u4e3b\u8981\u7528\u4e8e\u8868\u793a\u5b58\u50a8\u5b57\u7b26\u7c7b\u578b<\/h5>\n

\u53601\u4e2a\u5b57\u8282<\/p>\n

singed char（\u9ed8\u8ba4）：<\/h6>\n

signed char\u7c7b\u578b\u6700\u5de6\u8fb9\u76841bit\u8868\u793a\u7b26\u53f7\u4f4d（0\u4e3a\u6b63\u30011\u4e3a\u8d1f），\u5176\u4f59\u4f4d\u8868\u793a\u6570\u636e\u4f4d（\u6570\u636e
\n\u4f4d\u6309\u7167\u8865\u7801\u5b58\u653e）<\/p>\n

signed char\u7c7b\u578b\u8868\u793a\u8303\u56f4：-128 — 127<\/p>\n

unsigned char：<\/h6>\n

unsigned char\u7c7b\u578b\u6240\u6709\u5b57\u8282\u7a7a\u95f4\u5747\u5b58\u50a8\u6570\u636e\u4f4d<\/p>\n

unsiged char\u7c7b\u578b\u8868\u793a\u8303\u56f4： 0 — 255
\nASCII\u7801\u8868：\u89c4\u5b9a\u5b57\u7b26\u548c\u6570\u5b57\u4e4b\u95f4\u8f6c\u6362\u5173\u7cfb<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u8868\u793a\u6240\u6709\u80fd\u591f\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u6216\u8005\u952e\u76d8\u8f93\u5165\u7684\u5b57\u7b26<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 32\u53f7\u4e4b\u524d\u4e3b\u8981\u7528\u4e8e\u901a\u4fe1\u63a7\u5236<\/p>\n

（4）\u6ce2\u5c14（bool）\u7c7b\u578b\/\u903b\u8f91\u7c7b\u578b<\/h4>\n

bool\u7c7b\u578b\u7684\u503c\u57df\u8303\u56f4：true（1）\u3001false（0）
\nC\u8bed\u8a00\u4e2d\u975e0\u503c\u5373\u4e3a\u903b\u8f91\u771f\u503c，0\u503c\u4e3a\u903b\u8f91\u5047\u503c<\/p>\n

（5）\u7f3a\u7701（void）\u7c7b\u578b<\/h4>\n

\u4e3b\u8981\u7528\u4e8e\u642d\u914d\u51fd\u6570\u4f20\u53c2\u3001\u6307\u9488\u6765\u4f7f\u7528<\/p>\n

4.\u5e38\u91cf\u548c\u53d8\u91cf<\/h3>\n

（1）\u5e38\u91cf<\/h4>\n

1.\u6574\u578b\u5e38\u91cf<\/h5>\n

\u9ed8\u8ba4\u4e3asigned int\u7c7b\u578b<\/p>\n

\u00a0 \u00a0\u00a0-123<\/span>
\n\u00a0 \u00a0 100<\/span>
\n\u00a0 \u00a0 123U<\/span>
\n\u00a0 \u00a0 123u<\/span>
\n\u00a0 \u00a0 123UL<\/span>
\n\u00a0 \u00a0 123ul<\/span>
\n\u00a0 \u00a0 123l<\/span>
\n\u00a0 \u00a0 123L<\/span>
\n\u00a0 \u00a0 0123<\/span>
\n\u00a0 \u00a0 0x1a<\/span>
\n\u00a0 \u00a0 0X1F<\/span><\/p>\n

2.\u6d6e\u70b9\u578b\u5e38\u91cf<\/h5>\n

\u9ed8\u8ba4\u4e3adouble\u7c7b\u578b<\/p>\n

\u00a0 \u00a0\u00a05.12<\/span>
\n\u00a0 \u00a0 12.34<\/span>
\n\u00a0 \u00a0 3.14f<\/span>
\n\u00a0 \u00a0 5.34F<\/span>
\n\u00a0 \u00a0 12.56e5<\/span>
\n\u00a0 \u00a0 -13.98e-10<\/span>
\n\u00a0 \u00a0 99.34E8<\/span><\/p>\n

3.\u5b57\u7b26\u5e38\u91cf<\/h5>\n

\u5b57\u7b26\u578b\u5e38\u91cf\u5fc5\u987b\u52a0' '，\u53ea\u80fd\u51991\u4e2a\u5b57\u7b26
\n\u00a0 \u00a0 'a';<\/span>
\n\u00a0 \u00a0 'A';<\/span>
\n\u00a0 \u00a0 'Z';<\/span>
\n\u00a0 \u00a0 '!';<\/span>
\n\u00a0 \u00a0 '~';<\/span>
\n\u00a0 \u00a0 ''';<\/span>
\n\u00a0 \u00a0 '"';<\/span>
\n\u00a0 \u00a0 ' ';<\/span>
\n\u00a0 \u00a0 '0';<\/span>
\n\u00a0 \u00a0 '1';<\/span>
\n\u00a0 \u00a0 '9';<\/span>
\n\u00a0 \u00a0 '\\\\n';<\/span>\u6362\u884c\u7b26，\u5149\u6807\u79fb\u5230\u4e0b\u4e00\u884c\u5f00\u5934<\/span>
\n\u00a0 \u00a0 '\\\\a';<\/span>\u54cd\u94c3\u8b66\u62a5，\u8f93\u51fa\u65f6\u7ec8\u7aef\u8702\u9e23<\/span>
\n\u00a0 \u00a0 '\\\\b';<\/span>\u9000\u683c\u7b26，\u5149\u6807\u5411\u5de6\u56de\u9000\u4e00\u683c<\/span>
\n\u00a0 \u00a0 '\\\\r';<\/span>\u56de\u8f66\u7b26，\u5149\u6807\u56de\u5230\u672c\u884c\u6700\u5de6\u4fa7<\/span>
\n\u00a0 \u00a0 '\\\\t';<\/span>\u6c34\u5e73\u5236\u8868\u7b26，\u6a2a\u5411\u8df3\u683c（\u901a\u5e38\u5360 4\/8 \u7a7a\u683c\u5bbd\u5ea6）<\/span>
\n\u00a0 \u00a0 '\\\\v';<\/span>\u5782\u76f4\u5236\u8868\u7b26，\u7eb5\u5411\u6362\u884c\u8df3\u884c<\/span>
\n\u00a0 \u00a0 '\\\\\\\\';<\/span>\u53cd\u659c\u6760\u672c\u8eab，\u7528\u6765\u8f93\u51fa\u4e00\u4e2a<\/span>\\\\<\/span>
\n\u00a0 \u00a0 '\\\\0';<\/span>\u7a7a\u7ec8\u6b62\u7b26，ASCII 0，C \u8bed\u8a00\u5b57\u7b26\u4e32\u7ed3\u675f\u6807\u8bb0<\/span>
\n\u00a0 \u00a0 '\\\\065';<\/span>
\n\u00a0 \u00a0 '\\\\x41';<\/span><\/p>\n

4.\u5b57\u7b26\u4e32\u5e38\u91cf<\/h5>\n

\u5b57\u7b26\u4e32\u6700\u672b\u5c3e\u4f1a\u6709\u4e00\u4e2a\u7528\u6765\u6807\u8bc6\u7ed3\u5c3e\u7684\\\\0\u5b57\u7b26<\/p>\n

\u201ca\u201d\u662f\u7531'a'<\/span>\u548c'\\\\0'<\/span>\u7ec4\u6210，\u4e0e'a'\u4e0d\u7b49\u4ef7<\/p>\n

5.\u6807\u8bc6\u5e38\u91cf<\/h5>\n

#define \u5b8f\u5b9a\u4e49<\/p>\n

\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027，\u907f\u514d\u9b54\u9b3c\u6570\u5b57<\/p>\n

\u5b8f\u5b9a\u4e49\u53ea\u662f\u4ee3\u7801\u7684\u66ff\u6362，\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u6570\u636e\u8ba1\u7b97\u7684\u64cd\u4f5c
\n\u5b8f\u5b9a\u4e49\u4e2d\u80fd\u52a0\u62ec\u53f7\u5c31\u52a0\u62ec\u53f7<\/p>\n

\u00a0 \u00a0\u00a0#define M （50）<\/span><\/p>\n

\u00a0 \u00a0 #define N\u00a0（（M）+（M））<\/span><\/p>\n

（2）\u53d8\u91cf<\/h4>\n

\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d，\u503c\u53ef\u4ee5\u53d1\u751f\u6539\u53d8\u7684\u91cf<\/p>\n

\u53d8\u91cf\u56e0\u4e3a\u5728\u5185\u5b58\u4e2d\u6709\u5b58\u50a8\u7a7a\u95f4，\u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7\u5411\u5b58\u50a8\u7a7a\u95f4\u8d4b\u503c\u6765\u4fee\u6539\u53d8\u91cf\u7684\u503c
\n\u53d8\u91cf\u5fc5\u987b\u5148\u5b9a\u4e49\u518d\u4f7f\u7528
\n\u5f00\u8f9f\u5bf9\u5e94\u7c7b\u578b\u7684\u53d8\u91cf\u7a7a\u95f4，\u7a7a\u95f4\u540d\u79f0\u4e3a\u53d8\u91cf\u540d，\u901a\u8fc7\u53d8\u91cf\u540d\u53ef\u4ee5\u8bbf\u95ee\u8be5\u7a7a\u95f4，\u5b58\u53d6
\n\u53d8\u91cf\u4e2d\u7684\u6570\u636e\u65f6\u5fc5\u987b\u6309\u7167\u53d8\u91cf\u7c7b\u578b\u5b8c\u6210\u5bf9\u6570\u636e\u7684\u64cd\u4f5c<\/p>\n

1.\u53d8\u91cf\u7684\u5b9a\u4e49<\/h5>\n

\u00a0 \u00a0 \u6570\u636e\u7c7b\u578b \u53d8\u91cf\u540d;<\/span><\/p>\n

\u6570\u636e\u7c7b\u578b：\u57fa\u672c\u6570\u636e\u7c7b\u578b
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6784\u9020\u6570\u636e\u7c7b\u578b<\/p>\n

\u53d8\u91cf\u540d：\u53ea\u80fd\u7531\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u4e0b\u5212\u7ebf\u6784\u6210，\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u4e0d\u80fd\u4e0eC\u8bed\u8a00\u5173\u952e\u5b57\u91cd\u540d
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6700\u597d\u4e0d\u8981\u4e0eC\u8bed\u8a00\u5e93\u51fd\u6570\u91cd\u540d
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u53d8\u91cf\u540d\u6700\u597d\u505a\u5230\u89c1\u540d\u77e5\u610f（\u9a7c\u5cf0\u6cd5\u3001Linux\u5185\u6838 GNU）<\/p>\n

\u6574\u5f62\u53d8\u91cf\u5b9a\u4e49:<\/h6>\n

\u00a0 \u00a0 short var;<\/span>
\n\u00a0 \u00a0 unsigned short var;<\/span>
\n\u00a0 \u00a0 int var;<\/span>
\n\u00a0 \u00a0 unsigned int var;<\/span>
\n\u00a0 \u00a0 long var;<\/span>
\n\u00a0 \u00a0 unsigned long var;<\/span><\/p>\n

\u6d6e\u70b9\u578b\u53d8\u91cf\u5b9a\u4e49<\/h6>\n

\u00a0 \u00a0 float var;<\/span>
\n\u00a0 \u00a0 double var;<\/span><\/p>\n

\u5b57\u7b26\u578b\u53d8\u91cf\u5b9a\u4e49<\/h6>\n

\u00a0 \u00a0 char var;<\/span><\/p>\n

\u00a0 \u00a0 unsigned var；<\/span><\/p>\n

\u6cca\u5c14\u7c7b\u578b\u53d8\u91cf\u5b9a\u4e49<\/h6>\n

\u00a0 \u00a0 #include <stdbool.h><\/span>
\n\u00a0 \u00a0 bool var;<\/span><\/p>\n

2.\u53d8\u91cf\u7684\u521d\u59cb\u5316<\/h5>\n

\u521d\u59cb\u5316：\u5b9a\u4e49\u53d8\u91cf\u65f6\u4e3a\u53d8\u91cf\u8d4b\u521d\u503c，\u79f0\u4e3a\u521d\u59cb\u5316
\n\u8d4b\u503c：\u53d8\u91cf\u5b9a\u4e49\u5b8c\u6bd5\u540e，\u901a\u8fc7\u201c=\u201d\u5bf9\u53d8\u91cf\u7a7a\u95f4\u8d4b\u503c，\u5c06\u201c=\u201d\u53f3\u8fb9\u7684\u503c\u62f7\u8d1d\u5230\u201c=\u201d\u5de6\u8fb9\u7684
\n\u7a7a\u95f4
\n\u6ce8\u610f：\u5982\u679c\u53d8\u91cf\u4e0d\u521d\u59cb\u5316，\u53d8\u91cf\u4e3a\u968f\u673a\u503c，\u6240\u4ee5\u53d8\u91cf\u4e00\u5b9a\u8981\u521d\u59cb\u5316，\u4e0d\u8981\u4f7f\u7528\u672a\u7ecf
\n\u521d\u59cb\u5316\u7684\u53d8\u91cf<\/p>\n

（3）\u8868\u8fbe\u5f0f<\/h4>\n

\u6982\u5ff5：\u7531\u8fd0\u7b97\u7b26\u8fde\u63a5\u7684\u5e38\u91cf\u6216\u53d8\u91cf\u7ec4\u6210\u7684\u5f0f\u5b50
\n\u7279\u70b9：\u8868\u8fbe\u5f0f\u4e00\u5b9a\u6709\u7c7b\u578b
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u8868\u8fbe\u5f0f\u4e00\u5b9a\u6709\u503c<\/p>\n

1.\u6df7\u5408\u6570\u636e\u6570\u636e\u7c7b\u578b\u8fd0\u7b97<\/h5>\n

\u5982\u679c\u8fd0\u7b97\u7b26\u5de6\u53f3\u4e24\u7aef\u7c7b\u578b\u4e0d\u4e00\u81f4，\u9700\u8981\u8f6c\u6362\u4e3a\u540c\u4e00\u7c7b\u578b\u8fdb\u884c\u8fd0\u7b97<\/p>\n

\u8f6c\u6362\u89c4\u5219<\/h6>\n

\u4f4e\u7cbe\u5ea6\u7c7b\u578b\u8f6c\u6362\u4e3a\u9ad8\u7cbe\u5ea6\u7c7b\u578b<\/p>\n

\u6d6e\u70b9\u6570\u7c7b\u578b\u7cbe\u5ea6 > \u6574\u6570\u7c7b\u578b\u7cbe\u5ea6，\u540c\u4e00\u7c7b\u578b\u6240\u5360\u7a7a\u95f4\u8d8a\u5927\u7cbe\u5ea6\u8d8a\u9ad8
\n\u65e0\u7b26\u53f7\u7c7b\u578b\u7cbe\u5ea6 > \u6709\u7b26\u53f7\u7c7b\u578b\u7cbe\u5ea6
\nchar\u3001short\u5728\u6570\u636e\u8fd0\u7b97\u65f6\u4f1a\u5f3a\u5236\u6362\u8f6c\u4e3aint\u8fdb\u884c\u6570\u636e\u8fd0\u7b97\u548c\u6570\u636e\u5904\u7406
\nfloat\u5728\u6570\u636e\u8fd0\u7b97\u65f6\u4f1a\u5f3a\u5236\u6362\u6362\u4f4ddouble\u8fdb\u884c\u6570\u636e\u8fd0\u7b97\u548c\u6570\u636e\u5904\u7406<\/p>\n

\u7c7b\u578b\u8f6c\u6362<\/h6>\n

1. \u5f3a\u5236\u7c7b\u578b\u8f6c\u6362（\u663e\u793a\u7c7b\u578b\u8f6c\u6362）
\n\u00a0 \u00a0（\u7c7b\u578b）\u8868\u8fbe\u5f0f\/\u53d8\u91cf<\/span>
\n2. \u9690\u5f0f\u7c7b\u578b\u8f6c\u6362
\n\u4e3b\u8981\u53d1\u751f\u5728\u6df7\u5408\u6570\u636e\u7c7b\u578b\u8fd0\u7b97\u548c\u5904\u7406\u65f6，\u4f4e\u7cbe\u5ea6\u8f6c\u6362\u4e3a\u9ad8\u7cbe\u5ea6<\/p>\n

（4）\u8fd0\u7b97\u7b26<\/h4>\n

1.\u7b97\u6570\u8fd0\u7b97\u7b26<\/h5>\n

+（\u52a0\u6cd5）\u3001-（\u51cf\u6cd5）\u3001*（\u4e58\u6cd5）\u3001\/（\u9664\u6cd5）\u3001%（\u53d6\u4f59）\u3001+（\u81ea\u589e）\u3001–（\u81ea\u51cf）
\n%：\u552f\u4e00\u4e0d\u80fd\u5bf9\u6d6e\u70b9\u6570\u64cd\u4f5c\u7684\u7b97\u6570\u8fd0\u7b97\u7b26
\n++\/–：\u53ea\u80fd\u5bf9\u53d8\u91cf\u64cd\u4f5c<\/p>\n

2.\u8d4b\u503c\u8fd0\u7b97\u7b26<\/h5>\n

=\u3001+=\u3001-=\u3001*=\u3001\/=\u3001%=<\/p>\n

\u5de6\u503c：\u53d8\u91cf\u53ef\u4ee5\u4f5c\u4e3a\u5de6\u503c
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u5e38\u91cf\/\u8868\u8fbe\u5f0f\u4e0d\u80fd\u4f5c\u4e3a\u5de6\u503c<\/p>\n

\u53f3\u503c：\u53d8\u91cf\/\u5e38\u91cf\/\u8868\u8fbe\u5f0f\u90fd\u53ef\u4ee5\u4f5c\u4e3a\u53f3\u503c<\/p>\n

\u6df7\u5408\u7c7b\u578b\u8d4b\u503c\u5904\u7406\u65b9\u5f0f：<\/h6>\n

1. \u6574\u5f62\u8d4b\u503c\u7ed9\u6d6e\u70b9\u6570\u7c7b\u578b，\u6269\u5c55\u7cbe\u5ea6
\n2. \u6d6e\u70b9\u6570\u7c7b\u578b\u8d4b\u503c\u7ed9\u6574\u5f62，\u820d\u5f03\u5c0f\u6570\u70b9\u540e\u7684\u7cbe\u5ea6\u6570\u636e
\n3. \u5982\u679c\u6709\u7b26\u53f7\u548c\u65e0\u7b26\u53f7\u6574\u5f62\u4e92\u76f8\u8d4b\u503c，\u4f1a\u76f4\u63a5\u5b8c\u6210\u5185\u5b58\u7a7a\u95f4\u7684\u62f7\u8d1d
\n4. \u5c0f\u6570\u636e\u653e\u5165\u5927\u7a7a\u95f4，\u6709\u7b26\u53f7\u6570\u6269\u7b26\u53f7\u4f4d，\u65e0\u7b26\u53f7\u6570\u62690
\n5. \u5927\u6570\u636e\u653e\u5165\u5c0f\u7a7a\u95f4，\u76f4\u63a5\u622a\u53d6\u6570\u636e\u4f4e\u4f4d<\/p>\n

3. \u9017\u53f7\u8fd0\u7b97\u7b26<\/h5>\n

\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u6267\u884c\u9017\u53f7\u8868\u8fbe\u5f0f，\u5e76\u5c06\u6700\u540e\u4e00\u4e2a\u9017\u53f7\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u4f5c\u4e3a\u6574\u4f53\u7684\u7ed3\u679c<\/p>\n

4. sizeof\u8fd0\u7b97\u7b26<\/h5>\n

sizeof\u53ef\u4ee5\u83b7\u5f97\u6570\u636e\u7c7b\u578b\u6216\u8005\u53d8\u91cf\u6240\u5360\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f（\u5355\u4f4d：\u5b57\u8282）<\/p>\n

5. \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<\/h5>\n

\u62ec\u53f7 > \u5355\u76ee > \u53cc\u76ee（\u7b97\u6570 > \u79fb\u4f4d > \u5173\u7cfb > \u4f4d > \u903b\u8f91） > \u4e09\u76ee > \u8d4b\u503c > \u9017\u53f7<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e8c\u3001C\u8bed\u8a002.1\u57fa\u672c\u6570\u636e\u7c7b\u578b1.C\u8bed\u8a00\u5f00\u53d1\u6b65\u9aa4（1） vi\u7f16\u8f91\u56681.\u4f7f\u7528vi\u6253\u5f00\u8f6f\u4ef6vi filename.cvi\u7f16\u8f91\u5668\u4e09\u79cd\u6a21\u5f0f：
\n\u5e95\u884c\u6a21\u5f0f（\u9ed8\u8ba4，\u5176\u4f59\u6a21\u5f0f\u53ef\u4ee5ESC\u8fdb\u5165\u5e95\u884c\u6a21\u5f0f）
\n\u63d2\u5165\u6a21\u5f0f（\u5e95\u884c\u6a21\u5f0f\u8f93\u5165i\u3001a\u3001o\u5747\u53ef\u8fdb\u5165\u63d2\u5165\u6a21\u5f0f）
\n\u547d\u4ee4\u6a21\u5f0f（\u5e95\u884c\u6a21\u5f0f\u8f93\u5165: \u8fdb\u5165\u547d\u4ee4\u6a21\u5f0f）:wq \u4fdd\u5b58\u5e76\u4e14\u9000\u51fa
\n:w \u53ea\u4fdd\u5b58\u4e0d\u9000\u51fa
\n:q \u76f4\u63a5\u9000\u51fa
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