man 2 open<\/code>\uff08\u6309G\u8df3\u8f6c\u5230\u672b\u5c3e\uff0c\u4e00\u822c\u4f1a\u6709\u5c0fdemo\uff09<\/li>\n\n\n\n- vim\uff1a\u5149\u6807\u79fb\u5230\u51fd\u6570\u5904\uff0c\u547d\u4ee4\u6a21\u5f0f\u4e0b\u8f93\u51652K\uff082\u4ee3\u8868\u7cfb\u7edf\u8c03\u7528\uff09<\/li>\n<\/ul>\n\n\n\n
\u5934\u6587\u4ef6\u53ef\u7b80\u5316\u4e3a\uff1a#include<unistd.h><\/code>\u548c#include <fcntl.h><\/code><\/p>\n\n\n\n![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\nopen\u51fd\u6570\u8fd4\u56de\u503c\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u4e3a\uff1a\u6587\u4ef6\u8def\u5f84\u3001\u6253\u5f00\u6a21\u5f0f\uff08\u53ef\u4ee5\u901a\u8fc7\u201c|\u201d\u8fd0\u7b97\u7b26\u6765\u7ec4\u5408\u591a\u4e2aflag\uff09\u548c\u6743\u9650\uff08\u4ec5\u9002\u7528\u4e8e\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5e76\u4e14\u6743\u9650\u53d7umask\u5f71\u54cd\uff1a\u6587\u4ef6\u6743\u9650 = mode & ~umask\uff09<\/p>\n\n\n\n
\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u7b2c\u4e09\u4e2a\u4f8b\u5b50\u7684\u53c2\u6570\u542b\u4e49\uff1a\u5982\u679ca.cp\u6587\u4ef6\u5b58\u5728\uff0c\u5219\u6e05\u7a7a\u4e3a0\u4e14\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00\uff1b\u82e5\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efaa.cp\u6587\u4ef6\u4e14\u8d4b\u4e88644\u6743\u9650\uff0c\u5373rw-r–r–<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\nclose\u51fd\u6570\u8fd4\u56de\u503c\u4e3a0\u8868\u793a\u6210\u529f\uff0c-1 \u8868\u793a\u6709\u9519\u8bef\u53d1\u751f\uff0c\u53c2\u6570\u4e3a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n\n\n\n
errno<\/code><\/strong>\u5373error number\uff0c\u76f8\u5f53\u4e8e\u5185\u6838\u4e2d\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u4e0d\u7528\u81ea\u5df1\u5b9a\u4e49\uff0c\u53ea\u9700\u5f15\u5165\u5934\u6587\u4ef6#include<errno.h><\/code>\uff0c\u7528\u6765\u5e2e\u52a9\u6211\u4eec\u786e\u8ba4\u9519\u8bef\u4fe1\u606f\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\nopen\u51fd\u6570\u5e38\u89c1\u9519\u8bef\uff1a<\/h3>\n\n\n\n\n- \u6253\u5f00\u6587\u4ef6\u4e0d\u5b58\u5728\uff08\u5373\u4e0a\u8ff0\u4e3e\u4f8b\u60c5\u51b5\uff09<\/li>\n\n\n\n
- \u4ee5\u5199\u65b9\u5f0f\u6253\u5f00\u53ea\u8bfb\u6587\u4ef6<\/li>\n\n\n\n
- \u4ee5\u53ea\u5199\u65b9\u5f0f\u6253\u5f00\u76ee\u5f55<\/li>\n<\/ul>\n\n\n\n
\u7b14\u8bb0\uff1a<\/h3>\n\n\n\n<\/div><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n\u9519\u8bef\u5904\u7406\u51fd\u6570<\/h2>\n\n\n\n\n- \u76f4\u63a5\u8f93\u51faerrno\uff1a
printf(\"xxx error: %d\\n\", errno);<\/code><\/li>\n\n\n\n- strerror\u51fd\u6570\uff1a
char *strerror(int errnum)<\/code>\uff0c\u793a\u4f8b\uff1aprintf(\"xxx error: %s\\n\", strerror(errno));<\/code><\/li>\n\n\n\nperror<\/code>\u51fd\u6570<\/strong>\uff1avoid perror(const char *s)<\/code>\uff0c\u53c2\u6570\u662f\u81ea\u5b9a\u4e49\u7684\u9519\u8bef\u4fe1\u606f\u524d\u7f00\u3002\u793a\u4f8b\uff1aperror(\"open errorrrr!\");<\/code> \u6253\u5f00\u4e0d\u5b58\u5728\u7684\u6587\u4ef6\uff0c\u8f93\u51fa\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n\n\n\n<\/div><\/figure>\n<\/div>\n\n\nread\u51fd\u6570<\/h2>\n\n\n\n
ssize_t read(int fd, void *buf, size_t count);<\/code><\/p>\n\n\n\n\u53c2\u6570\uff1a<\/p>\n\n\n\n
\n- fd\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/li>\n\n\n\n
- buf\uff1a\u5b58\u6570\u636e\u7684\u7f13\u51b2\u533a<\/li>\n\n\n\n
- count\uff1a\u7f13\u51b2\u533a\u5927\u5c0f<\/li>\n<\/ul>\n\n\n\n
\u8fd4\u56de\u503c\uff1a\u5b9e\u9645\u8bfb\u5230\u7684\u5b57\u8282\u6570<\/p>\n\n\n\n
\n- 0\uff1a\u8bfb\u5230\u6587\u4ef6\u672b\u5c3e<\/li>\n\n\n\n
- >0\uff1a\u6210\u529f\uff0c\u8bfb\u5230\u7684\u5b57\u8282\u6570<\/li>\n\n\n\n
- -1\uff1a\u5931\u8d25\uff0c\u8bbe\u7f6e errno\uff08\u5982\u679cerrno = EAGIN \u6216 EWOULDBLOCK\uff0c\u8bf4\u660e\u4e0d\u662fread\u5931\u8d25\uff0c\u800c\u662fread\u5728\u4ee5\u975e\u963b\u585e\u65b9\u5f0f\u8bfb\u4e00\u4e2a\u8bbe\u5907\u6587\u4ef6\/\u7f51\u7edc\u6587\u4ef6\uff0c\u5e76\u4e14\u6587\u4ef6\u65e0\u6570\u636e\uff09<\/li>\n<\/ul>\n\n\n\n
ps\uff1a\u53ef\u4ee5\u7528perror<\/code>\u6765\u63d0\u793a\u9519\u8bef\ud83d\udc47<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\nwrite\u51fd\u6570<\/h2>\n\n\n\n
ssize_t write(int fd, const void *buf, size_t count);<\/code><\/p>\n\n\n\n\u53c2\u6570\uff1a<\/p>\n\n\n\n
\n- fd\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/li>\n\n\n\n
- buf\uff1a\u5f85\u5199\u51fa\u6570\u636e\u7684\u7f13\u51b2\u533a\uff08\u4e0eread\u51fd\u6570\u76f8\u6bd4\u591a\u4e86const\u5173\u952e\u5b57\uff0c\u76ee\u7684\u662f\u9632\u6b62\u5199\u51fd\u6570\u8fc7\u7a0b\u4e2d\u8bef\u64cd\u4f5c\u628a\u539f\u6587\u4ef6\u4fee\u6539\u4e86\uff09<\/li>\n\n\n\n
- count\uff1a\u6570\u636e\u5927\u5c0f<\/li>\n<\/ul>\n\n\n\n
\u8fd4\u56de\u503c\uff1a<\/p>\n\n\n\n
\n- \u6210\u529f\uff1a\u5199\u5165\u7684\u5b57\u8282\u6570 <\/li>\n\n\n\n
- \u5931\u8d25\uff1a -1\uff0c \u8bbe\u7f6e errno<\/li>\n<\/ul>\n\n\n\n
\u9884\u8bfb\u5165\u7f13\u8f93\u51fa\u673a\u5236<\/h2>\n\n\n\n<\/div><\/figure>\n\n\n\n\u50cfread\u3001write\u8fd9\u7c7b\u51fd\u6570\u901a\u5e38\u88ab\u79f0\u4e3aunbuffered I\/O\uff0c\u6307\u7684\u662f\u65e0\u7528\u6237\u7ea7\u7f13\u51b2\u533a\uff08\u56fe\u4e2d\u84dd\u8272\u7f13\u51b2\u533a\uff09\uff0c\u4f46\u4e0d\u4fdd\u8bc1\u4e0d\u4f7f\u7528\u5185\u6838\u7f13\u51b2\u533a\u3002read\u3001write\u7cfb\u7edf\u51fd\u6570\u4f7f\u7528\u7528\u6237\u7ea7\u7f13\u51b2\u533a\u8981\u81ea\u5df1\u5b9a\u4e49\uff0c\u800cfputc\u8fd9\u7c7b\u6807\u51c6\u5e93\u51fd\u6570\u81ea\u5e26\u7528\u6237\u7ea7\u7f13\u51b2\u533a\uff0c\u4e00\u822c\u9ed8\u8ba4\u5927\u5c0f\u4e3a4096\u5b57\u8282\u3002<\/p>\n\n\n\n
\u7f13\u51b2\u533a<\/h4>\n\n\n\n\n- unbuffered I\/O\uff08\u7cfb\u7edf\u8c03\u7528\uff09\u65e0\u7528\u6237\u7ea7\u7f13\u51b2\u533a<\/li>\n\n\n\n
- \u6807\u51c6\u5e93\u51fd\u6570\u81ea\u5e26\u7528\u6237\u7ea7\u7f13\u51b2\u533a<\/li>\n\n\n\n
- \u5185\u6838\u81ea\u5e26\u7f13\u51b2\u533a<\/li>\n\n\n\n
- \u7f13\u51b2\u533a\u9ed8\u8ba4\u90fd\u662f4kb\uff0c\u53734096\u5b57\u8282<\/li>\n<\/ul>\n\n\n\n
\u7cfb\u7edf\u8c03\u7528<\/h2>\n\n\n\n
\u662f\u4ec0\u4e48\uff1a\u7531\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u73b0\u5e76\u63d0\u4f9b\u7ed9\u5916\u90e8\u5e94\u7528\u7a0b\u5e8f\u7684\u7f16\u7a0b\u63a5\u53e3\uff0c\u662f\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u4e4b\u95f4\u6570\u636e\u4ea4\u4e92\u7684\u6865\u6881\u3002<\/p>\n\n\n\n
C\u6807\u51c6\u51fd\u6570\u548c\u7cfb\u7edf\u51fd\u6570\u8c03\u7528\u5173\u7cfb<\/strong>\uff0c\u4e00\u4e2ahelloworld\u5982\u4f55\u6253\u5370\u5230\u5c4f\u5e55\u4e0a\uff1a<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n\u5e93\u51fd\u6570\u548c\u7cfb\u7edf\u8c03\u7528<\/h2>\n\n\n\n<\/div><\/figure>\n\n\n\n\u4e24\u79cd\u51fd\u6570\u7684\u6267\u884c\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n
\n- \u6267\u884c\u5e93\u51fd\u6570–\u300b\u7cfb\u7edf\u8c03\u7528–\u300b\u8c03\u7528\u5185\u6838\u9a71\u52a8<\/li>\n\n\n\n
- \u6267\u884c\u7cfb\u7edf\u51fd\u6570–\u300b\u76f4\u63a5\u8c03\u7528\u5185\u6838\u9a71\u52a8<\/li>\n<\/ul>\n\n\n\n
\u770b\u4f3c\u597d\u50cf\u7cfb\u7edf\u51fd\u6570\u6bd4\u5e93\u51fd\u6570\u6267\u884c\u8d77\u6765\u5c11\u4e86\u4e00\u6b65\uff0c\u901f\u5ea6\u4f1a\u66f4\u5feb\uff0c\u4f46\u5e76\u4e0d\u4e00\u5b9a\u3002\u4e00\u662f\u56e0\u4e3a\u6807\u51c6\u5e93\u51fd\u6570\u6c89\u6dc0\u4e86\u6570\u5e74\uff0c\u76f8\u8f83\u4e8e\u81ea\u5df1\u5199\u7684\u51fd\u6570\uff0c\u4f18\u5316\u5de5\u4f5c\u5df2\u7ecf\u505a\u5f97\u5f88\u597d\uff1b\u4e8c\u662f\u5728\u4e0d\u6e05\u695a\u539f\u7406\u7684\u524d\u63d0\u4e0b\uff0c\u76f4\u63a5\u4f7f\u7528\u7cfb\u7edf\u51fd\u6570\uff0c\u53ef\u80fd\u53d1\u6325\u4e0d\u51fa\u539f\u672c\u7684\u6027\u80fd\u3002\u4f8b\u5982\u4e0a\u8ff0\u7684\u9884\u8bfb\u5165\u7f13\u8f93\u51fa\u673a\u5236\uff0cfputc\u51fd\u6570\u81ea\u5e26\u7528\u6237\u7ea7\u7f13\u51b2\u533a\uff0c\u800cwrite\u51fd\u6570\u8981\u81ea\u5df1\u5b9a\u4e49\uff0c\u5982\u679c\u5b9a\u4e49\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u4e0d\u5408\u9002\uff0c\u5199\u5165\u7684\u901f\u5ea6\u5728\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u5c31\u4e0d\u5982fputc\u51fd\u6570\u3002<\/p>\n\n\n\n
\u56e0\u6b64\uff0c\u5728\u7f16\u7a0b\u65f6\u5c3d\u91cf\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570<\/strong>\u3002<\/p>\n\n\n\n\u6587\u4ef6\u63cf\u8ff0\u7b26<\/h2>\n\n\n\n
\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4<\/strong>\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u4ee50-4G\u4e3e\u4f8b\uff1a0-3G\u662f\u7528\u6237\u533a\uff0c3G-4G\u662f\u5185\u6838\u533a\uff0cwrite\u8fd9\u79cd\u7cfb\u7edf\u8c03\u7528\u53ef\u4ee5\u5b8c\u6210\u7528\u6237\u533a\u5230\u5185\u6838\u533a\u7684\u5207\u6362\u3002<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\nPCB\u8fdb\u7a0b\u63a7\u5236\u5757<\/strong>\uff1a\u672c\u8d28\u662f\u7ed3\u6784\u4f53<\/strong>\uff0c\u6709\u5f88\u591a\u6210\u5458\uff0c\u5176\u4e2d\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u6210\u5458\u5c31\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u3002\u8868\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u5c31\u662f\u4e00\u4e2a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/strong>\uff0c\u8868\u9762\u662fint\u6574\u6570\uff08\u5373fd\uff0c\u56fe\u4e2d\u53f3\u4fa7\u7684\u4e0b\u6807\uff0c\u7279\u6027\u662f\u65b0\u6253\u5f00\u6587\u4ef6\u65f6\u4f18\u5148\u4f7f\u7528\u6570\u5b57\u6700\u5c0f\u7684\u7a7a\u95f2\u4e0b\u6807\uff09\uff0c\u4f46\u672c\u8d28\u662f\u6307\u5411\u4e00\u4e2a\u6587\u4ef6\u7ed3\u6784\u4f53\u7684\u6307\u9488<\/strong>\u3002\u6587\u4ef6\u7ed3\u6784\u4f53\u5373struct file1{\u00b7\u00b7\u00b7}<\/code>\uff0c\u91cc\u9762\u8bb0\u5f55\u4e86\u8be5\u6587\u4ef6\u7684\u4e00\u4e9b\u4fe1\u606f\uff0c\u6bd4\u5982\u6587\u4ef6\u7684\u504f\u79fb\u91cf\u3001\u8bbf\u95ee\u6743\u9650\u7b49\u7b49\u3002<\/p>\n\n\n\n\u5982\u4e0a\u56fe\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u6240\u793a\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u6700\u591a\u6253\u5f00\u7684\u6587\u4ef6\u6570\u91cf\u4e3a1024\uff0c\u5176\u4e2d\u524d\u4e09\u4e2a\u662f\u56fa\u5b9a\u7684\uff1a<\/p>\n\n\n\n
\n- 0 – STDIN_FILENO\uff08\u5bf9\u5e94\u7ec8\u7aef\u8f93\u5165\u8bbe\u5907\uff09<\/li>\n\n\n\n
- 1 – STDOUT_FILENO<\/li>\n\n\n\n
- 2 – STDERR_FILENO<\/li>\n<\/ul>\n\n\n\n
\u6587\u4ef6\u63cf\u8ff0\u7b26\uff1a0\/1\/2\/3\/4\u3002\u3002\u3002\u3002\/1023 \u8868\u4e2d\u53ef\u7528\u7684\u6700\u5c0f\u7684\u3002<\/p>\n\n\n\n
\u963b\u585e\/\u975e\u963b\u585e<\/h2>\n\n\n\n
\u4ea7\u751f\u963b\u585e\u7684\u573a\u666f\uff1a\u8bfb\u8bbe\u5907\u6587\u4ef6\u3001\u8bfb\u7f51\u7edc\u6587\u4ef6\uff08\u8bfb\u5e38\u89c4\u6587\u4ef6\u65e0\u963b\u585e\u6982\u5ff5\uff09<\/p>\n\n\n\n
\u963b\u585e\/\u975e\u963b\u585e\u662f\u8bbe\u5907\u3001\u7f51\u7edc\u6587\u4ef6\u7684\u5c5e\u6027\uff0c\u4e0d\u662f\u5bfc\u81f4\u963b\u585e\u7684\u51fd\u6570\uff08\u6bd4\u5982read\u7cfb\u7edf\u51fd\u6570\uff09\u7684\u5c5e\u6027<\/p>\n\n\n\n
\u793a\u4f8b\uff1a\u7ec8\u7aef\u8bbe\u5907\u6587\u4ef6\/dev\/tty\u9ed8\u8ba4\u4e3a\u963b\u585e\u72b6\u6001\uff0c\u8fd9\u610f\u5473\u7740\u5982\u679c\u6253\u5f00\u65f6\u6587\u4ef6\u65e0\u6570\u636e\u5c31\u4f1a\u4e00\u76f4\u963b\u585e\uff0c\u89e3\u51b3\u65b9\u6cd5\u4e3a\u4ee5\u975e\u963b\u585e\u65b9\u5f0f\u6253\u5f00\uff0c\u8fd9\u6837\u8bfb\u53d6\u65f6\u5982\u679c\u65e0\u6570\u636e\u4f1a\u76f4\u63a5\u8fd4\u56de-1 <\/p>\n\n\n\n
open(\"\/dev\/tty\", O_RDWR|O_NONBLOCK)<\/code><\/p>\n\n\n\nfcntl\u51fd\u6570<\/h2>\n\n\n\n
int fcntl(int fd, int cmd, ... \/* arg *\/ );<\/code><\/p>\n\n\n\n\u529f\u80fd\uff08\u4e4b\u4e00\uff09\uff1a\u6539\u53d8\u4e00\u4e2a\u5df2\u7ecf\u6253\u5f00<\/strong>\u7684\u6587\u4ef6\u7684\u8bbf\u95ee\u63a7\u5236\u5c5e\u6027<\/p>\n\n\n\n\n- \u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\uff1a F_GETFL<\/li>\n\n\n\n
- \u8bbe\u7f6e\u6587\u4ef6\u5c5e\u6027\uff1a F_SETFL<\/li>\n<\/ul>\n\n\n\n
\u793a\u4f8b\uff1a\u4e0a\u4e2a\u793a\u4f8b\u901a\u8fc7\u91cd\u65b0\u6253\u5f00\u7ec8\u7aef\u8bbe\u5907\u6587\u4ef6\/dev\/tty\u5229\u7528open\u51fd\u6570\u6765\u8bbe\u7f6e\u5176\u4e3a\u975e\u963b\u585e\u72b6\u6001\uff0c\u4f46\u4e5f\u53ef\u4ee5\u4e0d\u7528\u975e\u5f97\u91cd\u65b0\u6253\u5f00\u6587\u4ef6\u6765\u8bbe\u7f6e\u5176\u4e3a\u975e\u963b\u585e\u72b6\u6001\uff0c\u800c\u662f\u901a\u8fc7fcntl\u51fd\u6570<\/p>\n\n\n\n
int flgs = fcntl(fd, F_GETFL); \/\/\u83b7\u53d6\u6587\u4ef6\u72b6\u6001\nflgs |= O_NONBLOCK; \/\/\u5bf9\u975e\u963b\u585e\u6807\u5fd7\u8fdb\u884c\u6216\u7b49\u4e8e\u4f4d\u8fd0\u7b97\nfcntl(fd, F_SETFL, flgs); \/\/\u8bbe\u7f6e\u6587\u4ef6\u72b6\u6001\u4e3a\u975e\u963b\u585e<\/code><\/pre>\n\n\n\n\n<\/div><\/figure>\n<\/figure>\n\n\n\nlseek\u51fd\u6570<\/h2>\n\n\n\n
off_t lseek(int fd, off_t offset, int whence);<\/code><\/p>\n\n\n\n\u53c2\u6570\uff1a<\/p>\n\n\n\n
\n- fd\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/li>\n\n\n\n
- offset\uff1a\u504f\u79fb\u91cf<\/li>\n\n\n\n
- whence\uff1a\u8d77\u59cb\u504f\u79fb\u4f4d\u7f6e\uff1a SEEK_SET\u3001SEEK_CUR\u3001SEEK_END<\/li>\n<\/ul>\n\n\n\n
\u8fd4\u56de\u503c\uff1a<\/p>\n\n\n\n
\n- \u6210\u529f\uff1a\u8f83\u8d77\u59cb\u4f4d\u7f6e\u504f\u79fb\u91cf<\/li>\n\n\n\n
- \u5931\u8d25\uff1a-1 errno<\/li>\n<\/ul>\n\n\n\n
\u5e94\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n
\n- \u6587\u4ef6\u7684\u201c\u8bfb\u201d\u3001\u201c\u5199\u201d\u64cd\u4f5c\u5171\u540c\u4e00\u504f\u79fb\u4f4d\u7f6e<\/strong>\uff0c\u56e0\u6b64\u5982\u679c\u5199\u5b8c\u60f3\u518d\u8bfb\u51fa\u6765\u5c31\u9700\u8981\u5199\u5b8c\u628a\u504f\u79fb\u4f4d\u7f6e\u5f80\u524d\u79fb<\/li>\n\n\n\n
- \u4f7f\u7528lseek\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f
int length = lseek(fd, 0, SEEK_END);<\/code><\/li>\n\n\n\n- \u4f7f\u7528lseek\u62d3\u5c55\u6587\u4ef6\u5927\u5c0f\uff0c\u4f46\u662f\u8981\u60f3\u4f7f\u6587\u4ef6\u5927\u5c0f\u771f\u6b63\u62d3\u5c55\uff0c\u5fc5\u987b\u6709IO\u64cd\u4f5c <\/li>\n<\/ul>\n\n\n\n
ps\uff1a\u4f7f\u7528lseek\u51fd\u6570\u6765\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u5e76\u4e0d\u5e38\u89c4\uff0c\u4e00\u822c\u4f7f\u7528stat\u51fd\u6570\u3002\u540c\u6837\uff0c\u4f7f\u7528lseek\u51fd\u6570\u6765\u62d3\u5c55\u6587\u4ef6\u5927\u5c0f\u4e5f\u4e0d\u5e38\u89c4\uff0c\u4e00\u822c\u4f7f\u7528truncate\u51fd\u6570\u76f4\u63a5\u62d3\u5c55\u6587\u4ef6\uff1aint ret = truncate(\"dict.cp\", 250);<\/code> \u8fd4\u56de\u503c\u4e3a0\u8868\u793a\u62d3\u5c55\u6210\u529f\uff0c-1\u8868\u793a\u5931\u8d25<\/p>\n\n\n\n\nint truncate(const char *path, off_t length);<\/code><\/li>\n\n\n\nint ftruncate(int fd, off_t length);<\/code><\/li>\n<\/ul>\n\n\n\n\u4f20\u5165\/\u4f20\u51fa\u53c2\u6570<\/h2>\n\n\n\n\u4f20\u5165\u53c2\u6570<\/h4>\n\n\n\n\n- \u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/li>\n\n\n\n
- \u901a\u5e38\u6709const\u5173\u952e\u5b57\u4fee\u9970<\/li>\n\n\n\n
- \u6307\u9488\u6307\u5411\u6709\u6548\u533a\u57df\uff0c \u5728\u51fd\u6570\u5185\u90e8\u505a\u8bfb\u64cd\u4f5c<\/li>\n<\/ol>\n\n\n\n
\u793a\u4f8b\uff1achar *strcpy(char *dest, const char *src);<\/code> \u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570const char *src<\/code><\/p>\n\n\n\n\u4f20\u51fa\u53c2\u6570<\/h4>\n\n\n\n\n- \u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/li>\n\n\n\n
- \u5728\u51fd\u6570\u8c03\u7528\u4e4b\u524d\uff0c\u6307\u9488\u6307\u5411\u7684\u7a7a\u95f4\u53ef\u4ee5\u65e0\u610f\u4e49\uff0c\u4f46\u5fc5\u987b\u6709\u6548<\/li>\n\n\n\n
- \u5728\u51fd\u6570\u5185\u90e8\uff0c\u505a\u5199\u64cd\u4f5c<\/li>\n\n\n\n
- \u51fd\u6570\u8c03\u7528\u7ed3\u675f\u540e\uff0c\u5145\u5f53\u51fd\u6570\u8fd4\u56de\u503c<\/li>\n<\/ol>\n\n\n\n
\u793a\u4f8b\uff1achar *strcpy(char *dest, const char *src);<\/code> \u7684\u7b2c\u4e00\u4e2a\u53c2\u6570char *dest<\/code><\/p>\n\n\n\n\u4f20\u5165\u4f20\u51fa\u53c2\u6570<\/h4>\n\n\n\n\n- \u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/li>\n\n\n\n
- \u5728\u51fd\u6570\u8c03\u7528\u4e4b\u524d\uff0c\u6307\u9488\u6307\u5411\u7684\u7a7a\u95f4\u6709\u5b9e\u9645\u610f\u4e49<\/li>\n\n\n\n
- \u5728\u51fd\u6570\u5185\u90e8\uff0c\u5148\u505a\u8bfb\u64cd\u4f5c\uff0c\u540e\u505a\u5199\u64cd\u4f5c<\/li>\n\n\n\n
- \u51fd\u6570\u8c03\u7528\u7ed3\u675f\u540e\uff0c\u5145\u5f53\u51fd\u6570\u8fd4\u56de\u503c<\/li>\n<\/ol>\n\n\n\n
\u793a\u4f8b\uff1achar *strtok_r(char *str, const char *delim, char **saveptr);<\/code> \u7684\u7b2c\u4e09\u4e2a\u53c2\u6570char **saveptr<\/code><\/p>\n\n\n\n\u6587\u4ef6\u5b58\u50a8<\/h2>\n\n\n\nInode<\/h4>\n\n\n\n
\u6982\u5ff5\uff1a\u8868\u9762\u662f\u4e00\u4e2a\u6574\u6570\uff08inode\u53f7\uff09\uff0c\u672c\u8d28\u4e0a\u662f\u7ed3\u6784\u4f53<\/strong>\uff0c\u5b58\u50a8\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\u3002\u6bd4\u5982\uff1a\u6743\u9650\u3001\u7c7b\u578b\u3001\u5927\u5c0f\u3001\u65f6\u95f4\u3001\u7528\u6237\u3001\u76d8\u5757\u4f4d\u7f6e\u7b49\u7b49\uff0c\u5927\u591a\u6570\u7684inode\u90fd\u5b58\u50a8\u5728\u78c1\u76d8\u4e0a\uff0c\u5c11\u91cf\u5e38\u7528\u3001\u8fd1\u671f\u4f7f\u7528\u7684inode\u4f1a\u88ab\u7f13\u5b58\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\ndentry<\/h4>\n\n\n\n
\u6982\u5ff5\uff1a\u76ee\u5f55\u9879<\/strong>\uff0c\u5176\u672c\u8d28\u4f9d\u7136\u662f\u7ed3\u6784\u4f53<\/strong>\uff0c\u91cd\u8981\u6210\u5458\u53d8\u91cf\u6709\u4e24\u4e2a\uff1a\u6587\u4ef6\u540d\u548cinode\u53f7<\/strong>\uff0c\u6587\u4ef6\u5185\u5bb9\u4fdd\u5b58\u5728\u78c1\u76d8\u76d8\u5757\u4e2d\u3002\u5f53\u5bf9\u4e00\u4e2a\u6587\u4ef6\u521b\u5efa\u786c\u94fe\u63a5\u65f6\uff0c\u4e5f\u5c31\u662f\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u76ee\u5f55\u9879\u3002<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\nstat\/lstat \u51fd\u6570<\/h2>\n\n\n\n
\u529f\u80fd\uff1a\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\uff08\u4eceinode\u7ed3\u6784\u4f53\u4e2d\u83b7\u53d6\uff09<\/p>\n\n\n\n
\u5934\u6587\u4ef6\uff1a #include <sys\/stat.h><\/code><\/p>\n\n\n\n\u51fd\u6570\u539f\u578b\uff1aint stat(const char *pathname, struct stat *buf);<\/code><\/p>\n\n\n\n\u8fd4\u56de\u503c\uff1a<\/p>\n\n\n\n
\n- 0\uff1a\u6210\u529f<\/li>\n\n\n\n
- -1\uff1a\u5931\u8d25 errno<\/li>\n<\/ul>\n\n\n\n
\u53c2\u6570\uff1a<\/p>\n\n\n\n
\n- path\uff1a\u6587\u4ef6\u8def\u5f84\uff08\u6587\u4ef6\u540d\uff09<\/li>\n\n\n\n
- buf\uff1a\u5b58\u653e\u6587\u4ef6\u5c5e\u6027\uff08\u4f20\u51fa\u53c2\u6570\uff0c\u4e5f\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c
struct stat<\/code>\u662f\u4e00\u4e2a\u5728Linux\u7cfb\u7edf\u4e2d\u7528\u4e8e\u63cf\u8ff0\u6587\u4ef6\u72b6\u6001\u7684\u7ed3\u6784\u4f53\uff09\n\n- buf.st_size\uff1a\u6587\u4ef6\u5927\u5c0f<\/li>\n\n\n\n
- buf.st_mode\uff1a\u6587\u4ef6\u7c7b\u578b<\/li>\n\n\n\n
- buf.st_nlink\uff1a\u786c\u94fe\u63a5\u6570<\/li>\n\n\n\n
- buf.st_mode\uff1a\u6587\u4ef6\u6743\u9650\uff08\u6587\u4ef6\u6743\u9650\u4f4d\u56fe\u5982\u4e0b\u56fe\u6240\u793a\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
<\/div><\/figure>\n\n\n\nlstat\u51fd\u6570\u4e0estat\u51fd\u6570\u57fa\u672c\u4e00\u81f4\uff0c\u4f46\u662f\u5728\u5224\u65ad\u6587\u4ef6\u7c7b\u578b\u65f6\uff0cstat\u4f1a\u7a7f\u900f\u7b26\u53f7\u94fe\u63a5\uff08\u8f6f\u94fe\u63a5\uff09\uff0c\u800clstat\u4e0d\u4f1a\uff08\u5373abc\u662f\u4e00\u4e2a\u76ee\u5f55\uff0cabc.s\u662f\u5b83\u7684\u8f6f\u94fe\u63a5\uff0c\u7528stat\u51fd\u6570\u5224\u65adabc.s\u6587\u4ef6\u7c7b\u578b\u7ed3\u679c\u662f\u76ee\u5f55\uff0c\u800c\u7528lstat\u51fd\u6570\u5224\u65adabc.s\u6587\u4ef6\u7c7b\u578b\u7ed3\u679c\u662f\u8f6f\u94fe\u63a5\uff09<\/p>\n\n\n\n
link\/unlink\u51fd\u6570<\/h2>\n\n\n\n
\u51fd\u6570\u539f\u578b\uff1a<\/p>\n\n\n\n
\nint link(const char *oldpath, const char *newpath);<\/code><\/li>\n\n\n\nint unlink(const char *pathname);<\/code><\/li>\n<\/ul>\n\n\n\nLinux\u7cfb\u7edf\u5220\u9664\u6587\u4ef6\u7684\u673a\u5236\u662f\u4e0d\u65ad\u5c06\u786c\u94fe\u63a5 -1\uff0c\u76f4\u81f3\u51cf\u52300\u4e3a\u6b62\u3002\u65e0\u76ee\u5f55\u9879\u5bf9\u5e94\u7684\u6587\u4ef6\uff0c\u5c06\u4f1a\u88ab\u64cd\u4f5c\u7cfb\u7edf\u62e9\u673a\u91ca\u653e\uff08\u5177\u4f53\u65f6\u95f4\u7531\u7cfb\u7edf\u5185\u90e8\u8c03\u5ea6\u7b97\u6cd5\u51b3\u5b9a\uff09\u3002\u56e0\u6b64\u4ece\u67d0\u79cd\u610f\u4e49\u4e0a\u8bf4\uff0c\u5220\u9664\u6587\u4ef6\u53ea\u662f\u8ba9\u6587\u4ef6\u5177\u5907\u4e86\u88ab\u91ca\u653e\u7684\u6761\u4ef6<\/strong>\u3002
unlink\u51fd\u6570\u7684\u7279\u5f81\uff1a\u6e05\u9664\u6587\u4ef6\u65f6\uff0c\u5982\u679c\u6587\u4ef6\u7684\u786c\u94fe\u63a5\u6570\u52300\u4e86\uff0c\u6ca1\u6709entry\u5bf9\u5e94\uff0c\u4f46\u8be5\u6587\u4ef6\u4ecd\u4e0d\u4f1a\u9a6c\u4e0a\u88ab\u91ca\u653e\u3002\u8981\u7b49\u5230\u6240\u6709\u6253\u5f00\u8be5\u6587\u4ef6\u7684\u8fdb\u7a0b\u5173\u95ed\u8be5\u6587\u4ef6\uff0c\u7cfb\u7edf\u624d\u4f1a\u6311\u65f6\u95f4\u5c06\u8be5\u6587\u4ef6\u91ca\u653e\u6389\u3002<\/p>\n\n\n\n\u5f53\u8fdb\u7a0b\u7ed3\u675f\u8fd0\u884c\u65f6\uff0c\u6240\u6709\u8be5\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6\u4f1a\u88ab\u5173\u95ed\uff0c\u7533\u8bf7\u7684\u5185\u5b58\u7a7a\u95f4\u4f1a\u88ab\u91ca\u653e\uff0c\u7cfb\u7edf\u7684\u8fd9\u4e00\u7279\u6027\u88ab\u79f0\u4e3a\u9690\u5f0f\u56de\u6536\u7cfb\u7edf\u8d44\u6e90<\/strong>\u3002<\/p>\n\n\n\n\u76ee\u5f55\u64cd\u4f5c\u51fd\u6570<\/h2>\n\n\n\n
\u76ee\u5f55\u6587\u4ef6\u4e5f\u662f\u201c\u6587\u4ef6\u201d\uff0c\u5176\u6587\u4ef6\u5185\u5bb9\u662f\u8be5\u76ee\u5f55\u4e0b\u6240\u6709\u5b50\u6587\u4ef6\u7684\u76ee\u5f55\u9879 dentry\uff0c\u76ee\u5f55\u6587\u4ef6\u7684rwx\u6743\u9650\u4e0e\u666e\u901a\u6587\u4ef6\u6709\u6240\u533a\u522b\uff1a<\/p>\n\n\n\n
\n- r\u8bfb\u6743\u9650\uff1a\u5bf9\u4e8e\u76ee\u5f55\u800c\u8a00\u5c31\u662f\u76ee\u5f55\u53ef\u4ee5\u88ab\u6d4f\u89c8\uff0c\u6bd4\u5982ls\u3001tree\u547d\u4ee4<\/li>\n\n\n\n
- w\u5199\u6743\u9650\uff1a\u5bf9\u4e8e\u76ee\u5f55\u800c\u8a00\u5c31\u662f\u76ee\u5f55\u6587\u4ef6\u5185\u5bb9\uff0c\u4e5f\u5c31\u662f\u76ee\u5f55\u9879\u53ef\u4ee5\u88ab\u589e\u5220\u4fee\u6539\uff0c\u5373\u76ee\u5f55\u91cc\u7684\u6587\u4ef6\u53ef\u4ee5\u88ab\u589e\u5220\u4fee\u6539\uff0c\u6bd4\u5982mv\u3001touch\u3001mkdir\u547d\u4ee4<\/li>\n\n\n\n
- x\u6267\u884c\u6743\u9650\uff1a\u5bf9\u4e8e\u76ee\u5f55\u800c\u8a00\u5c31\u662f\u76ee\u5f55\u53ef\u4ee5\u88ab\u6253\u5f00\u3001\u8fdb\u5165\uff0c\u6bd4\u5982cd\u547d\u4ee4\u3002
<\/li>\n<\/ul>\n\n\n\nopendir\u51fd\u6570<\/h4>\n\n\n\n
\u529f\u80fd\uff1a\u6839\u636e\u4f20\u5165\u7684\u76ee\u5f55\u540d\u6253\u5f00\u4e00\u4e2a\u76ee\u5f55\uff08\u5e93\u51fd\u6570\uff0c\u6240\u4ee5\u624b\u518c\u662f\u7b2c\u4e09\u5377\uff1aman 3 opendir<\/code>\uff09<\/p>\n\n\n\n\u51fd\u6570\u539f\u578b\uff1aDIR *opendir(const char *name);<\/code> <\/p>\n\n\n\n\u8fd4\u56de\u503c\u4e3a\u76ee\u5f55\u7ed3\u6784\u4f53<\/strong>\u7684\u6307\u9488<\/p>\n\n\n\nclosedir\u51fd\u6570<\/h4>\n\n\n\n
\u529f\u80fd\uff1a\u5173\u95ed\u6253\u5f00\u7684\u76ee\u5f55<\/p>\n\n\n\n
\u51fd\u6570\u539f\u578b\uff1aint closedir(DIR *dirp);<\/code><\/p>\n\n\n\nreaddir\u51fd\u6570<\/h4>\n\n\n\n
\u529f\u80fd\uff1a\u8bfb\u53d6\u76ee\u5f55\uff08\u5e93\u51fd\u6570\uff09<\/p>\n\n\n\n
\u51fd\u6570\u539f\u578b\uff1astruct dirent *readdir(DIR *dirp);<\/code><\/p>\n\n\n\n\u8fd4\u56de\u503c\u4e3a\u76ee\u5f55\u9879\u7ed3\u6784\u4f53<\/strong>\u7684\u6307\u9488\uff1a<\/p>\n\n\n\nstruct dirent {\n\tinode;\n\tchar dname[256];\n \u00b7\u00b7\u00b7\n};<\/code><\/pre>\n\n\n\nps\uff1a\u4e00\u822c\u8981\u914d\u5408while\u5faa\u73af\u4f7f\u7528\uff0c\u56e0\u4e3a\u4e00\u6b21\u53ea\u80fd\u8bfb\u53d6\u4e00\u4e2a\u76ee\u5f55\u9879<\/p>\n\n\n\n
\u7f16\u7a0b\u7ec3\u4e60\uff1a\u5b9e\u73b0\u9012\u5f52\u904d\u5386\u76ee\u5f55\uff08\u7c7b\u4f3c\u4e8els -R<\/code>\uff09<\/h2>\n\n\n\n\u601d\u8def\uff1a<\/h4>\n\n\n\n\n- \u5224\u65ad\u547d\u4ee4\u884c\u53c2\u6570\uff0c\u83b7\u53d6\u7528\u6237\u8981\u67e5\u8be2\u7684\u76ee\u5f55\u540d\n
\n- \u76ee\u5f55\u540d\uff1a
argv[1]<\/code><\/li>\n\n\n\n- \u5982\u679c\u7528\u6237\u6ca1\u6709\u4f20\u5165\u76ee\u5f55\uff0c\u5f53\u4f5c
.\/<\/code>\u5904\u7406\uff0c\u5224\u65ad\u6761\u4ef6\uff1aargc == 1<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n- \u5224\u65ad\u7528\u6237\u6307\u5b9a\u7684\u662f\u5426\u662f\u76ee\u5f55\uff1a
stat S_ISDIR();<\/code> –> \u5c01\u88c5\u51fd\u6570 isFile() { }<\/code><\/li>\n\n\n\n- \u8bfb\u76ee\u5f55\u4f2a\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n\n\n\n
read_dir() { \n\n\topendir(dir)\n\n\twhile(readdir()) {\n\n\t\t\u666e\u901a\u6587\u4ef6\uff1a\u76f4\u63a5\u6253\u5370\n\n\t\t\u76ee\u5f55\uff1a\n\t\t\t\u62fc\u63a5\u76ee\u5f55\u8bbf\u95ee\u7edd\u5bf9\u8def\u5f84\uff1asprintf(path, \"%s\/%s\", dir, d_name)\n\n\t\t\t\u9012\u5f52\u8c03\u7528\u81ea\u5df1\u2192 opendir(path) readdir closedir\n\t}\n\n\tclosedir()\n\n}\nread_dir() --> isFile() ---> read_dir()<\/code><\/pre>\n\n\n\n\u5b8c\u6574\u4ee3\u7801\uff1amy_ls-R.c<\/code><\/p>\n\n\n\n #include<stdio.h>\n#include<stdlib.h>\n#include<string.h>\n#include<fcntl.h>\n#include<unistd.h>\n#include<pthread.h>\n#include<sys\/stat.h>\n#include<dirent.h>\nvoid read_dir(char *dir);\nvoid isFile(char *name);\n\n\/\/\u5904\u7406\u76ee\u5f55\nvoid read_dir(char *dir) {\n DIR *dp;\n struct dirent *sdp;\n char path[256];\n \n dp = opendir(dir);\n if(dp == NULL) {\n perror(\"opendir error:\");\n return ;\n }\n \n \/\/\u8bfb\u53d6\u76ee\u5f55\u9879 \n while((sdp = readdir(dp)) != NULL) { \n if(strcmp(sdp->d_name, \".\") == 0 || strcmp(sdp->d_name, \"..\") == 0) {\n continue;\n }\n \/\/\u76ee\u5f55\u9879\u672c\u8eab\u4e0d\u53ef\u8bbf\u95ee\uff0c\u8981\u62fc\u63a5\u51fa\u8bbf\u95ee\u8def\u5f84\n sprintf(path, \"%s\/%s\", dir, sdp->d_name);\n \/\/\u5224\u65ad\u6587\u4ef6\u7c7b\u578b\uff0c\u76ee\u5f55\u5c31\u9012\u5f52\u8fdb\u5165\uff0c\u6587\u4ef6\u663e\u793a\u540d\u5b57\u548c\u5927\u5c0f\n isFile(path);\n }\n\n closedir(dp);\n\n return ;\n}\n\nvoid isFile(char *name) {\n int ret = 0;\n struct stat sb;\n\n \/\/\u83b7\u53d6\u6587\u4ef6\u5c5e\u6027\uff0c\u5224\u65ad\u6587\u4ef6\u7c7b\u578b\n ret = stat(name, &sb);\n\n if(ret == -1) {\n perror(\"stat error:\");\n return ;\n }\n\n \/\/\u76ee\u5f55\u6587\u4ef6\n if(S_ISDIR(sb.st_mode)) {\n read_dir(name);\n }\n \/\/\u666e\u901a\u6587\u4ef6\n printf(\"%s\\t%ld\\n\", name, sb.st_size);\n\n return ;\n}\n\nint main(int argc, char *argv[]) {\n \/\/\u5224\u65ad\u547d\u4ee4\u884c\u53c2\u6570\n if(argc == 1) {\n isFile(\".\");\n } else {\n isFile(argv[1]);\n }\n\n return 0;\n}\n<\/code><\/pre>\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"
open\/close\u51fd\u6570 \u67e5\u770bopen\u51fd\u6570\u5e2e\u52a9\u624b\u518c\uff1a \u5934\u6587\u4ef6\u53ef\u7b80\u5316\u4e3a\uff1a#include<unistd.h […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,10],"tags":[],"class_list":["post-248","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=248"}],"version-history":[{"count":64,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/248\/revisions"}],"predecessor-version":[{"id":642,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/248\/revisions\/642"}],"wp:attachment":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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