{"id":51472,"date":"2025-08-10T23:24:03","date_gmt":"2025-08-10T15:24:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/51472.html"},"modified":"2025-08-10T23:24:03","modified_gmt":"2025-08-10T15:24:03","slug":"%e5%b5%8c%e5%85%a5%e5%bc%8f%e7%ac%ac%e4%ba%8c%e5%8d%81%e5%9b%9b%e8%af%be%ef%bc%81%ef%bc%81linux%e5%ba%94%e7%94%a8%e8%bd%af%e4%bb%b6%e7%bc%96%e7%a8%8b%e4%b8%8e%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/51472.html","title":{"rendered":"\u5d4c\u5165\u5f0f\u7b2c\u4e8c\u5341\u56db\u8bfe\uff01\uff01linux\u5e94\u7528\u8f6f\u4ef6\u7f16\u7a0b\u4e0e\u6587\u4ef6\u64cd\u4f5c\uff01\uff01\uff01"},"content":{"rendered":"<p>\u5728\u7ed3\u675fC\u8bed\u8a00\u4e0e\u6570\u636e\u7ed3\u6784\u7684\u5b66\u4e60\u540e&#xff0c;\u6211\u4eec\u4ece\u672c\u8282\u8bfe\u5f00\u59cb\u5b66\u4e60linux\u5e94\u7528\u8f6f\u4ef6\u7f16\u7a0b&#xff1a;<\/p>\n<h2>linux\u5e94\u7528\u8f6f\u4ef6\u7f16\u7a0b<\/h2>\n<p>\u5b83\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u677f\u5757&#xff1a;<\/p>\n<p>\u00a0 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\/>\nc \u00a0 \u00a0\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6 \u2014\u2014&gt;\u5982\u8f93\u5165\u8f93\u51fa\u8bbe\u5907&#xff08;\u9f20\u6807\u3001\u952e\u76d8\u3001\u663e\u793a\u5668&#8230;&#xff09;<br \/>\nd \u00a0 \u00a0\u76ee\u5f55\u6587\u4ef6 \u00a0 \u00a0\u2014\u2014&gt;\u6587\u4ef6\u5939<br \/>\n&#8211; \u00a0 \u00a0 \u666e\u901a\u6587\u4ef6 \u00a0 \u2014\u2014&gt;xxx.c \u00a0xxx.h \u00a0 xxx.txt \u00a0 xxx.jpg \u00a0xxx.mp4 \u00a0a.out<br \/>\nl \u00a0 \u00a0 \u8f6f\u94fe\u63a5\u6587\u4ef6 \u2014\u2014&gt;\u5feb\u6377\u65b9\u5f0f&#xff08;windows&#xff09;<br \/>\ns \u00a0 \u00a0 \u5957\u63a5\u5b57\u6587\u4ef6 \u2014\u2014&gt;\u7f51\u7edc\u901a\u4fe1<br \/>\np \u00a0 \u00a0 \u7ba1\u9053\u6587\u4ef6 \u00a0 \u2014\u2014&gt;\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50&#xff1a;&#xff08;\u5728\u7ec8\u7aef\u4f7f\u7528\u547d\u4ee4ls -l\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u76ee\u5f55\u6587\u4ef6\u7684\u8be6\u7ec6\u4fe1\u606f&#xff09;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"35\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810152402-6898b992a54fc.png\" width=\"763\" \/><\/p>\n<p>1.\u6700\u524d\u9762\u7684 \u201c d \u201d\u5c31\u662f\u4ee3\u8868\u4e86\u6587\u4ef6\u7c7b\u578b&#xff1b;<\/p>\n<p>2.\u201c d \u201d\u540e\u7684\u201crwxrwxrwx\u201d\u4ee3\u8868\u4e86\u6587\u4ef6\u7684\u64cd\u4f5c\u6743\u9650&#xff1a;<\/p>\n<p>r&#xff1a;read<br \/>\nw&#xff1a;write<br \/>\nx&#xff1a;\u53ef\u6267\u884c\u6743\u9650<br 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2020&#xff09;\u4ee3\u8868\u8be5\u6587\u4ef6\u6700\u540e\u88ab\u4fee\u6539\u7684\u65f6\u95f4&#xff1b;<\/p>\n<p>7.\u6700\u540e\u7684\u201cvim\u201d\u662f\u8be5\u6587\u4ef6\u7684\u6587\u4ef6\u540d&#xff1b;<\/p>\n<h3>\u6587\u4ef6\u64cd\u4f5c\u7684\u601d\u60f3<\/h3>\n<p>\u00a0 \u00a0\u6211\u4eec\u56f4\u7ed5\u6587\u4ef6\u8fdb\u884c\u64cd\u4f5c\u4e3b\u8981\u662f\u8fd9\u4e09\u6b65&#xff1a;<\/p>\n<p>1. \u6253\u5f00\u6587\u4ef6<br \/>\n2. \u8bfb\u5199\u6587\u4ef6<br \/>\n3. \u5173\u95ed\u6587\u4ef6<\/p>\n<h3>\u6587\u4ef6\u64cd\u4f5c\u7684\u65b9\u6cd5<\/h3>\n<p>\u5728Linux\u4e0b\u6709\u8fd92\u79cd\u6587\u4ef6\u64cd\u4f5c\u65b9\u6cd5&#xff08;I&#xff1a;input &#xff1b; O&#xff1a;output&#xff09;&#xff1a;<br \/>\n1. \u6807\u51c6IO&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u662fC\u6807\u51c6\u5e93\u63d0\u4f9b\u7684\u4e00\u5957\u5bf9\u6587\u4ef6\u64cd\u4f5c\u7684\u64cd\u4f5c\u65b9\u6cd5&#xff0c;\u5373\u5e93\u51fd\u6570&#xff1b;<br \/>\n2. \u6587\u4ef6IO&#xff1a;<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Linux\u5185\u6838\u63d0\u4f9b\u7684\u4e00\u5957\u5bf9\u6587\u4ef6\u64cd\u4f5c\u7684\u64cd\u4f5c\u65b9\u6cd5&#xff0c;\u5373\u5728\u7cfb\u7edf\u8c03\u7528&#xff1b;<\/p>\n<h3>\u6807\u51c6IO<\/h3>\n<p>\u5728\u5e93\u6587\u4ef6\u91cc\u8981\u8c03\u7528\u7684\u5bf9\u6587\u4ef6\u64cd\u4f5c\u7684\u51fd\u6570\u5982\u4e0b&#xff1a;\u00a0 \u00a0<\/p>\n<p>1. \u6253\u5f00\u6587\u4ef6 \u00a0 \u00a0fopen<br \/>\n2. \u8bfb\/\u5199\u6587\u4ef6 \u00a0\u00a0<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 fgetc\/fputc &#xff1a;\u4e00\u4e2a\u5b57\u7b26\u4e00\u4e2a\u5b57\u7b26\u7684\u8bfb\u5199\u6570\u636e<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 fgets\/fputs&#xff1a; \u4e00\u884c\u4e00\u884c\u7684\u8bfb\u5199\u6570\u636e<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 fread\/fwrite&#xff1a;<br \/>\n3\u00a0. \u5173\u95ed\u6587\u4ef6 \u00a0 \u00a0fclose<\/p>\n<p>\u5728\u8c03\u7528\u51fd\u6570\u7684\u65f6\u5019&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7man&#043;\u51fd\u6570\u6765\u67e5\u627e\u51fd\u6570\u7684\u4f7f\u7528\u65b9\u5f0f&#xff1a;<\/p>\n<h4>1.\u6253\u5f00\u6587\u4ef6 fopen<\/h4>\n<p>fopen\u51fd\u6570\u662f\u5728\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>FILE *fopen(const char *pathname, const char *mode);<br \/>\n\u529f\u80fd&#xff1a;\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u5e76\u83b7\u5f97\u4e00\u4e2a\u6587\u4ef6\u6d41\u6307\u9488<br \/>\n\u53c2\u6570&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0pathname&#xff1a;\u6253\u5f00\u5f97\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u5730\u5740<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0mode&#xff1a;\u6253\u5f00\u7684\u65b9\u5f0f<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;r&#034; \u00a0 \u00a0 \u00a0 \u00a0 \u4ee5\u53ea\u8bfb\u7684\u65b9\u5f0f\u6253\u5f00, \u6587\u4ef6\u5fc5\u987b\u5b58\u5728<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;r&#043;&#034; \u00a0 \u00a0 \u00a0 \u4ee5\u8bfb\u5199\u7684\u65b9\u5f0f\u6253\u5f00&#xff0c;\u6587\u4ef6\u5fc5\u987b\u5b58\u5728<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;w&#034; \u00a0 \u00a0 \u00a0 \u4ee5\u53ea\u5199\u7684\u65b9\u5f0f\u6253\u5f00&#xff0c;\u6587\u4ef6\u5b58\u5728\u5219\u6e05\u7a7a&#xff0c;\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;w&#043;&#034; \u00a0 \u00a0 \u4ee5\u8bfb\u5199\u7684\u65b9\u5f0f\u6253\u5f00&#xff0c;\u6587\u4ef6\u5b58\u5728\u5219\u6e05\u7a7a&#xff0c;\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;a&#034; \u00a0 \u00a0 \u00a0 \u00a0 \u4ee5\u8ffd\u52a0\u5199\u7684\u65b9\u5f0f\u6253\u5f00&#xff0c;\u6587\u4ef6\u4e0d\u5b58\u5728\u521b\u5efa<br \/>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0&#034;a&#043;&#034; \u00a0 \u00a0 \u00a0 \u4ee5\u8bfb\u5199\u7684\u65b9\u5f0f\u6253\u5f00&#xff0c;\u6587\u4ef6\u4e0d\u5b58\u5728\u521b\u5efa,&#xff0c;\u6587\u4ef6\u5b58\u5728\u8ffd\u52a0\u5199<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6253\u5f00\u6210\u529f&#xff1a;\u6587\u4ef6\u6d41\u6307\u9488&#xff1a;FILE *<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u6253\u5f00\u5931\u8d25&#xff1a;NULL<\/p>\n<p>\u5728\u6587\u4ef6\u64cd\u4f5c\u91cc&#xff0c;\u6d41\u6307\u7684\u5c31\u662f\u5b57\u8282\u6d41&#xff1b;\u800c\u6587\u4ef6\u6d41&#xff0c;\u5c31\u662f\u6570\u636e\u4ece\u6587\u4ef6\u6d41\u5165\u6d41\u51fa&#xff0c;\u4f53\u73b0\u51fa\u6765\u7684\u5b57\u8282\u6d41&#xff1b;\u5728\u6807\u51c6IO\u91cc&#xff0c;FILE \u5c31\u662f\u6587\u4ef6\u6d41&#xff0c;FILE * \u5c31\u662f\u6587\u4ef6\u6d41\u6307\u9488&#xff0c;\u6307\u5411\u5df2\u6253\u5f00\u6587\u4ef6&#xff1b;<\/p>\n<h4>2.\u5173\u95ed\u6587\u4ef6fclose<\/h4>\n<p>fclose\u51fd\u6570\u662f\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>int fclose (FILE *stream)<\/p>\n<p>\u5b83\u7528\u6765\u5173\u95ed\u6587\u4ef6&#xff1b;<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50&#xff1a;<\/p>\n<p>include &lt;stdio.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;.\/1.txt&#034;, &#034;a&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>printf(&#034;fopen file ok\\\\n&#034;);<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<h4>3.\u4e3a\u6587\u4ef6\u5199\u5165\u5b57\u7b26fputc<\/h4>\n<p>fputc\u662f\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>int fputc(int c, FILE *stream);<br \/>\n\u529f\u80fd&#xff1a;\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u4e00\u4e2a\u5b57\u7b26<br \/>\n\u53c2\u6570&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0c&#xff1a;\u8981\u5199\u5165\u7684\u5b57\u7b26<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0stream&#xff1a;\u8981\u5199\u5165\u7684\u6587\u4ef6\u7684\u6587\u4ef6\u6d41\u6307\u9488<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0\u6210\u529f&#xff1a;\u5199\u5165\u7684\u5b57\u7b26\u7684ASCII\u503c<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0\u5931\u8d25&#xff1a;EOF &#xff08;-1&#xff09;<\/p>\n<p>\u6211\u4eec\u5728\u7ec8\u7aef\u8fd0\u884c\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4od &#8211; c &#043;\u6587\u4ef6\u540d&#xff0c;\u53ef\u4ee5\u4ee5\u5b57\u7b26\u5f62\u5f0f\u5728\u7ec8\u7aef\u8f93\u51fa\u6587\u4ef6\u5185\u5bb9&#xff1b;<\/p>\n<p>#include &lt;stdio.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;.\/1.txt&#034;, &#034;w&#043;&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>printf(&#034;fopen file ok\\\\n&#034;);<\/p>\n<p>fputc(&#039;a&#039;, fp);<br \/>\nfputc(97, fp);<br \/>\nfputc(98, fp);<br \/>\nfputc(ch1, fp);<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<p>\u800c\u4e14&#xff0c;\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af&#xff0c;\u8f93\u5165\u5b57\u7b26\u4e32&#xff1a;<\/p>\n<p>#include &lt;stdio.h&gt;<br \/>\n#include &lt;string.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;.\/1.txt&#034;, &#034;w&#043;&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>printf(&#034;fopen file ok\\\\n&#034;);<\/p>\n<p>char str[32] &#061; {&#034;hello world&#034;};<br \/>\nchar *pstr &#061; &#034;hello world&#034;;<\/p>\n<p>for (int i &#061; 0; i &lt; strlen(pstr); &#043;&#043;i)<br \/>\n{<br \/>\nfputc(str[i], fp);<br \/>\n}<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<h4>4.\u4ece\u6587\u4ef6\u8bfb\u51fa\u5b57\u7b26fgetc<\/h4>\n<p>fgetc\u662f\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>int fgetc(FILE *stream);<br \/>\n\u529f\u80fd&#xff1a;\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e00\u4e2a\u5b57\u7b26<br \/>\n\u53c2\u6570&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0stream&#xff1a;\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\u7684\u6587\u4ef6\u6d41\u6307\u9488<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0\u6210\u529f&#xff1a;\u8bfb\u5230\u7684\u5b57\u7b26\u7684ASCII\u503c<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0\u5931\u8d25&#xff1a;EOF<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0\u8bfb\u5230\u6587\u4ef6\u672b\u5c3e&#xff1a;EOF<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50&#xff1a;<\/p>\n<p>#include &lt;stdio.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;.\/01_fopen.c&#034;, &#034;r&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>while (1)<br \/>\n{<br \/>\nint ret &#061; fgetc(fp);<br \/>\nif (EOF &#061;&#061; ret)<br \/>\n{<br \/>\n\/\/printf(&#034;end of file or error\\\\n&#034;);<br \/>\nbreak;<br \/>\n}<br \/>\nprintf(&#034;%c&#034;, ret);<br \/>\n}<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<h4>5.\u4f7f\u7528fgetc\u548cfputc\u8fdb\u884c\u5e94\u7528<\/h4>\n<h5>\u4f7f\u7528fgetc\u5b9e\u73b0cat\u51fd\u6570&#xff08;\u8f93\u51fa\u8be5\u6587\u4ef6\u7684\u6240\u6709\u5185\u5bb9&#xff09;\u7684\u529f\u80fd<\/h5>\n<p>#include&lt;stdio.h&gt;<\/p>\n<p>int main(void)<br \/>\n{<br \/>\n    FILE *fs &#061; fopen(&#034;.\/2.txt &#034;, &#034;r&#034;);<br \/>\n    if(fs &#061;&#061; NULL)<br \/>\n    {<br \/>\n        printf(&#034;open error\\\\n&#034;);<br \/>\n        return 0;<br \/>\n    }<br \/>\n    else<br \/>\n    {<br \/>\n        printf(&#034;open file\\\\n&#034;);<br \/>\n    }<br \/>\n    int ret &#061; fgetc(fs);<br \/>\n    while(EOF !&#061; ret)<br \/>\n    {<br \/>\n        printf(&#034;%c&#034;,ret);<br \/>\n        ret &#061; fgetc(fs);<br \/>\n    }<br \/>\n    fclose(fs);<br \/>\n    return 0;<br \/>\n}<\/p>\n<h5>\u4f7f\u7528fgetc\u548cfputc\u6765\u5b9e\u73b0\u6587\u4ef6\u7684\u62f7\u8d1d\u529f\u80fd<\/h5>\n<p>#include&lt;stdio.h&gt;<br \/>\n#include&lt;string.h&gt;<\/p>\n<p>int main(int argc , const char* argv[])<br \/>\n{<br \/>\n    printf(&#034;Usage : .\/a.out &lt;stc&gt; &lt;des&gt;&#034;);<br \/>\n    if (argc !&#061; 3)<br \/>\n    {<br \/>\n        printf(&#034;error&#034;);<br \/>\n        return 0;<br \/>\n    }<br \/>\n    FILE *fp &#061; fopen(argv[1],&#034;r&#034;);<br \/>\n    FILE *fs &#061; fopen(argv[2], &#034;w&#034;);<br \/>\n    if(fp &#061;&#061; NULL)<br \/>\n    {<br \/>\n        printf(&#034;open error\\\\n&#034;);<br \/>\n        return 0;<br \/>\n    }<br \/>\n    else<br \/>\n    {<br \/>\n        printf(&#034;open file\\\\n&#034;);<br \/>\n    }<br \/>\n    if(fs &#061;&#061; NULL)<br \/>\n    {<br \/>\n        printf(&#034;open error\\\\n&#034;);<br \/>\n        return 0;<br \/>\n    }<br \/>\n    else<br \/>\n    {<br \/>\n        printf(&#034;open file\\\\n&#034;);<br \/>\n    }<br \/>\n    int ret &#061; fgetc(fp);<br \/>\n    while(EOF !&#061; ret)<br \/>\n    {<br \/>\n        fputc(ret,fs);<br \/>\n        ret &#061; fgetc(fp);<br \/>\n    }<br \/>\n    fclose(fp);<br \/>\n    fclose(fs);<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4>6.\u7528\u4e3b\u51fd\u6570\u4f20\u53c2\u6765\u5b9e\u73b0\u4e0d\u540c\u6587\u4ef6\u7684\u62f7\u8d1d<\/h4>\n<p>\u901a\u8fc7\u4e3b\u51fd\u6570\u8fdb\u884c\u4f20\u53c2&#xff0c;\u5728\u7f16\u8bd1\u540e&#xff0c;\u6267\u884c\u6587\u4ef6&#043;\u53c2\u6570&#xff1b;<br \/>\n.\/a.out aaa bbb \u00a0 \u2014\u2014&gt;\u5b9e\u53c2<br \/>\n\u4e3b\u51fd\u6570\u4e2d\u7684\u53c2\u6570 \u2014\u2014&gt;\u5f62\u53c2<\/p>\n<p>.\/a.out aaa bbb<\/p>\n<p>\u00a0argc : \u7a0b\u5e8f\u8fd0\u884c\u65f6&#xff0c;\u7ed9\u4e3b\u51fd\u6570\u4f20\u9012\u7684\u53c2\u6570\u4e2a\u6570 \u00a03<br \/>\n\u00a0argv : \u6307\u9488\u6570\u7ec4:\u4e00\u5171\u6709argc\u4e2a\u6307\u9488&#xff0c;\u5206\u522b\u6307\u5411\u4e86\u7ed9\u4e3b\u51fd\u6570\u4f20\u9012\u7684\u5b9e\u53c2<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 argv[0] &#8212;-&gt;&#034;.\/a.out&#034;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 argv[1] &#8212;-&gt;&#034;aaa&#034;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 argc[2] &#8212;-&gt;&#034;bbb&#034;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nif (argc !&#061; 3)<br \/>\n{<br \/>\nprintf(&#034;Usage : .\/a.out &lt;srcfile&gt; &lt;dstfile&gt;\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>FILE *srcfp &#061; fopen(argv[1], &#034;r&#034;);<br \/>\nFILE *dstfp &#061; fopen(argv[2], &#034;w&#034;);<br \/>\nif (NULL &#061;&#061; srcfp || NULL &#061;&#061; dstfp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>while (1)<br \/>\n{<br \/>\nint ret &#061; fgetc(srcfp);<br \/>\nif (EOF &#061;&#061; ret)<br \/>\n{<br \/>\nbreak;<br \/>\n}<br \/>\nfputc(ret, dstfp);<br \/>\n}<\/p>\n<p>fclose(srcfp);<br \/>\nfclose(dstfp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<h4>7.\u4e3a\u6587\u4ef6\u5199\u5165\u5b57\u7b26\u4e32fputs<\/h4>\n<p>fputs\u662f\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>int fputs(const char *s, FILE *stream);<br \/>\n\u529f\u80fd&#xff1a;\u5411\u6587\u4ef6\u4e2d\u5199\u5165\u5b57\u7b26\u4e32&#xff08;\u4e0d\u4f1a\u5199\u5165&#039;\\\\0&#039;\u5b57\u7b26&#xff09;<br \/>\n\u53c2\u6570&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 s&#xff1a;\u5b57\u7b26\u4e32\u9996\u5730\u5740<br \/>\n\u00a0 \u00a0 \u00a0 \u00a0 stream&#xff1a;\u8981\u5199\u5165\u7684\u6587\u4ef6\u6d41\u6307\u9488<\/p>\n<p>\u8fd4\u56de\u503c&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u6210\u529f&#xff1a;\u975e\u8d1f\u7684\u6574\u5f62\u6570\u636e<br \/>\n\u00a0 \u00a0 \u00a0 \u5931\u8d25:EOF&#xff08;-1&#xff09;<\/p>\n<p>#include &lt;stdio.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;1.txt&#034;, &#034;w&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>fputs(&#034;hello world&#034;, fp);<\/p>\n<p>char str[32] &#061; {&#034;how are you&#034;};<br \/>\nfputs(str, fp);<\/p>\n<p>char *pstr &#061; &#034;hello world&#034;;<br \/>\nfputs(pstr, fp);<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<h4>8.\u6587\u4ef6\u8bfb\u51fa\u5b57\u7b26\u4e32fgets<\/h4>\n<p>fgets\u51fd\u6570\u662f\u8fd9\u6837\u4f7f\u7528\u7684&#xff1a;<\/p>\n<p>char *fgets(char *s, int size, FILE *stream);<br \/>\n\u529f\u80fd&#xff1a; \u00a0 \u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e00\u884c\u6570\u636e<br \/>\n\u53c2\u6570&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 s &#xff1a; \u7528\u6765\u5b58\u653e\u8bfb\u53d6\u5230\u6570\u636e\u7684\u5185\u5b58\u7a7a\u95f4\u9996\u5730\u5740<br \/>\n\u00a0 \u00a0 \u00a0 size&#xff1a;\u5e0c\u671b\u4ece\u6587\u4ef6\u4e2d\u8bfb\u5230\u7684\u5b57\u8282\u6570<br \/>\n\u00a0 \u00a0 \u00a0 stream&#xff1a;\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\u6d41\u6307\u9488<br \/>\n\u8fd4\u56de\u503c&#xff1a;<br \/>\n\u00a0 \u00a0 \u00a0 \u6210\u529f&#xff1a;\u8fd4\u56des\u7a7a\u95f4\u7684\u9996\u5730\u5740<br \/>\n\u00a0 \u00a0 \u00a0 \u5931\u8d25&#xff1a;NULL<br \/>\n\u00a0 \u00a0 \u00a0 \u8bfb\u5230\u6587\u4ef6\u672b\u5c3e&#xff1a;NULL<\/p>\n<p>#include &lt;stdio.h&gt;<\/p>\n<p>int main(int argc, const char *argv[])<br \/>\n{<br \/>\nFILE *fp &#061; fopen(&#034;1.txt&#034;, &#034;r&#034;);<br \/>\nif (NULL &#061;&#061; fp)<br \/>\n{<br \/>\nprintf(&#034;fopen error\\\\n&#034;);<br \/>\nreturn -1;<br \/>\n}<\/p>\n<p>char s[100] &#061; {0};<\/p>\n<p>char *p &#061; fgets(s, sizeof(s), fp);<br \/>\nif (NULL &#061;&#061; p)<br \/>\n{<br \/>\nprintf(&#034;error or end of file\\\\n&#034;);<br \/>\n}<br \/>\nprintf(&#034;s &#061; %s\\\\n&#034;, s);<\/p>\n<p>fclose(fp);<\/p>\n<p>return 0;<br \/>\n}<\/p>\n<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4eca\u5929\u548c\u5927\u5bb6\u5206\u4eab\u7684\u5185\u5bb9&#xff01;&#xff01;&#xff01;\u611f\u8c22\u4f60\u7684\u9605\u8bfb&#xff01;&#xff01;&#xff01;\u5982\u679c\u6709\u7591\u95ee\u548c\u9519\u8bef\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u8bc4\u8bba&#xff01;&#xff01;&#xff01;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb158\u6b21\u3002\u5728\u6807\u51c6IO\u91cc\uff0cFILE \u5c31\u662f\u6587\u4ef6\u6d41\uff0cFILE * \u5c31\u662f\u6587\u4ef6\u6d41\u6307\u9488\uff0c\u6307\u5411\u5df2\u6253\u5f00\u6587\u4ef6\uff1b&quot;a+&quot;       \u4ee5\u8bfb\u5199\u7684\u65b9\u5f0f\u6253\u5f00\uff0c\u6587\u4ef6\u4e0d\u5b58\u5728\u521b\u5efa,\uff0c\u6587\u4ef6\u5b58\u5728\u8ffd\u52a0\u5199\u3002&quot;w&quot;       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