{"id":44,"date":"2025-12-03T11:27:47","date_gmt":"2025-12-03T03:27:47","guid":{"rendered":"https:\/\/www.codenas.com\/?p=44"},"modified":"2025-12-03T11:28:49","modified_gmt":"2025-12-03T03:28:49","slug":"c%e8%af%ad%e8%a8%80%e4%b8%ad%e6%9e%9a%e4%b8%be-vs-%e7%bb%93%e6%9e%84%e4%bd%93","status":"publish","type":"post","link":"https:\/\/www.codenas.com\/index.php\/2025\/12\/03\/c%e8%af%ad%e8%a8%80%e4%b8%ad%e6%9e%9a%e4%b8%be-vs-%e7%bb%93%e6%9e%84%e4%bd%93\/","title":{"rendered":"C\u8bed\u8a00\u4e2d\u679a\u4e3e vs \u7ed3\u6784\u4f53"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728 C \u8bed\u8a00\u4e2d\uff0c<strong>\u679a\u4e3e\uff08<code>enum<\/code>\uff09<\/strong>&nbsp;\u548c&nbsp;<strong>\u7ed3\u6784\u4f53\uff08<code>struct<\/code>\uff09<\/strong>&nbsp;\u662f\u4e24\u79cd\u6838\u5fc3\u7684\u81ea\u5b9a\u4e49\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u89e3\u51b3 \u201c\u5355\u4e00\u57fa\u7840\u7c7b\u578b\u65e0\u6cd5\u6ee1\u8db3\u590d\u6742\u6570\u636e\u63cf\u8ff0\u201d \u7684\u95ee\u9898\uff0c\u4f46\u4e8c\u8005\u7684\u8bbe\u8ba1\u76ee\u6807\u3001\u7528\u6cd5\u548c\u573a\u666f\u5b8c\u5168\u4e0d\u540c \u2014\u2014 \u679a\u4e3e\u4e13\u6ce8\u4e8e \u201c\u9650\u5b9a\u79bb\u6563\u7684\u5408\u6cd5\u503c\u201d\uff0c\u7ed3\u6784\u4f53\u4e13\u6ce8\u4e8e \u201c\u805a\u5408\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u3001\u679a\u4e3e\uff08<code>enum<\/code>\uff09\uff1a\u9650\u5b9a\u79bb\u6563\u53d6\u503c\u7684\u7c7b\u578b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u6838\u5fc3\u5b9a\u4e49<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u679a\u4e3e\u662f\u4e00\u79cd&nbsp;<strong>\u201c\u547d\u540d\u5e38\u91cf\u96c6\u5408\u201d<\/strong>\uff0c\u7528\u4e8e\u5c06\u4e00\u7ec4\u903b\u8f91\u76f8\u5173\u7684\u79bb\u6563\u503c\uff08\u5982\u72b6\u6001\u3001\u9009\u9879\u3001\u7c7b\u578b\uff09\u8d4b\u4e88\u6709\u610f\u4e49\u7684\u540d\u5b57\uff0c\u907f\u514d\u76f4\u63a5\u4f7f\u7528\u9b54\u6cd5\u6570\u5b57\uff08\u65e0\u610f\u4e49\u7684\u6574\u6570\uff09\uff0c\u63d0\u5347\u4ee3\u7801\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8d28\uff1a\u679a\u4e3e\u7684\u6bcf\u4e2a\u6210\u5458\u672c\u8d28\u662f\u6574\u6570\u5e38\u91cf\uff08\u9ed8\u8ba4\u4ece 0 \u5f00\u59cb\u9012\u589e\uff0c\u53ef\u624b\u52a8\u6307\u5b9a\u503c\uff09\uff0c\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u5c06\u679a\u4e3e\u540d\u6620\u5c04\u4e3a\u5bf9\u5e94\u6574\u6570\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u8bed\u6cd5\u683c\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1. \u57fa\u672c\u5b9a\u4e49\uff08\u65e0 typedef\uff0c\u4f7f\u7528\u65f6\u9700\u52a0 enum \u5173\u952e\u5b57\uff09\nenum \u679a\u4e3e\u540d {\n    \u6210\u54581,    \/\/ \u9ed8\u8ba4\u503c 0\n    \u6210\u54582,    \/\/ \u9ed8\u8ba4\u503c 1\uff08\u4f9d\u6b21\u9012\u589e\uff09\n    \u6210\u54583 = 5,\/\/ \u624b\u52a8\u6307\u5b9a\u503c 5\uff0c\u540e\u7eed\u6210\u5458\u9ed8\u8ba4+1\uff08\u6210\u54584=6\uff09\n    \u6210\u54584\n};\n\n\/\/ 2. \u5e38\u7528\uff1atypedef \u7b80\u5316\uff08\u5b9a\u4e49\u540e\u53ef\u76f4\u63a5\u7528 \u522b\u540d \u4ee3\u66ff enum \u679a\u4e3e\u540d\uff09\ntypedef enum {\n    \u6210\u54581,\n    \u6210\u54582,\n    ...\n} \u679a\u4e3e\u522b\u540d;\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u5178\u578b\u793a\u4f8b\uff08\u7ed3\u5408\u4e4b\u524d\u7684&nbsp;<code>DRESULT<\/code>\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u679a\u4e3e\u6700\u5e38\u7528\u7684\u573a\u666f\u662f \u201c\u72b6\u6001\u7801\u201d\u201c\u9009\u9879\u6807\u8bc6\u201d\uff0c\u6bd4\u5982 FatFs \u7684&nbsp;<code>DRESULT<\/code>&nbsp;\u5c31\u662f\u679a\u4e3e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u72b6\u6001\u7801\u679a\u4e3e\uff08\u9650\u5b9a\u6587\u4ef6\u64cd\u4f5c\u7684\u5408\u6cd5\u7ed3\u679c\uff09\ntypedef enum {\n    DR_OK = 0,          \/\/ \u6210\u529f\uff08\u624b\u52a8\u6307\u5b9a 0\uff09\n    DR_NO_FILE,         \/\/ 1\uff08\u9ed8\u8ba4\u9012\u589e\uff09\n    DR_NO_PATH,         \/\/ 2\n    DR_WRITE_PROTECTED  \/\/ 3\n} DRESULT;\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\nDRESULT res = DR_OK;  \/\/ \u76f4\u63a5\u7528\u679a\u4e3e\u6210\u5458\u8d4b\u503c\nif (res == DR_NO_FILE) {  \/\/ \u903b\u8f91\u5224\u65ad\u66f4\u76f4\u89c2\n    printf(\"\u6587\u4ef6\u4e0d\u5b58\u5728\\n\");\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u4e3e\u4e00\u4e2a \u201c\u6027\u522b\u9009\u9879\u201d \u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>typedef enum {\n    MALE,    \/\/ 0\n    FEMALE,  \/\/ 1\n    OTHER    \/\/ 2\n} Gender;\n\n\/\/ \u7528\u679a\u4e3e\u9650\u5b9a\u53d8\u91cf\u53d6\u503c\uff0c\u907f\u514d\u4f20\u5165\u975e\u6cd5\u503c\uff08\u5982 3\u3001-1\uff09\nvoid print_gender(Gender g) {\n    switch(g) {\n        case MALE: printf(\"\u7537\u6027\\n\"); break;\n        case FEMALE: printf(\"\u5973\u6027\\n\"); break;\n        case OTHER: printf(\"\u5176\u4ed6\\n\"); break;\n    }\n}\n\nint main() {\n    Gender person = MALE;\n    print_gender(person);  \/\/ \u8f93\u51fa\uff1a\u7537\u6027\n    \/\/ print_gender(3);  \/\/ \u8b66\u544a\/\u9519\u8bef\uff1a3 \u4e0d\u662f Gender \u7684\u5408\u6cd5\u6210\u5458\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u5173\u952e\u7279\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6210\u5458\u662f&nbsp;<strong>\u5e38\u91cf<\/strong>\uff1a\u4e0d\u80fd\u4fee\u6539\uff08\u5982&nbsp;<code>MALE = 5;<\/code>&nbsp;\u662f\u9519\u8bef\u7684\uff09\uff1b<\/li>\n\n\n\n<li>\u672c\u8d28\u662f\u6574\u6570\uff1a\u53ef\u9690\u5f0f\u8f6c\u6362\u4e3a&nbsp;<code>int<\/code>\uff08\u5982&nbsp;<code>printf(\"%d\", MALE);<\/code>&nbsp;\u8f93\u51fa 0\uff09\uff0c\u4f46\u4e0d\u5efa\u8bae\u968f\u610f\u8f6c\u6362\uff08\u7834\u574f\u7c7b\u578b\u5b89\u5168\u6027\uff09\uff1b<\/li>\n\n\n\n<li>\u4f5c\u7528\uff1a\u9650\u5b9a\u53d8\u91cf\u7684\u5408\u6cd5\u53d6\u503c\u8303\u56f4\uff0c\u8ba9\u4ee3\u7801\u66f4\u6613\u8bfb\u3001\u5c11\u51fa\u9519\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001\u7ed3\u6784\u4f53\uff08<code>struct<\/code>\uff09\uff1a\u805a\u5408\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u7684\u5bb9\u5668<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u6838\u5fc3\u5b9a\u4e49<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u6784\u4f53\u662f\u4e00\u79cd&nbsp;<strong>\u201c\u6570\u636e\u805a\u5408\u7c7b\u578b\u201d<\/strong>\uff0c\u7528\u4e8e\u5c06\u591a\u4e2a \u201c\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u201d\uff08\u5982&nbsp;<code>int<\/code>\u3001<code>char<\/code>\u3001\u6570\u7ec4\u3001\u6307\u9488\uff0c\u751a\u81f3\u5176\u4ed6\u7ed3\u6784\u4f53\uff09\u6253\u5305\u6210\u4e00\u4e2a\u6574\u4f53\uff0c\u63cf\u8ff0\u4e00\u4e2a \u201c\u590d\u6742\u5bf9\u8c61\u201d\uff08\u5982\u4e00\u4e2a\u4eba\u3001\u4e00\u4e2a\u6587\u4ef6\u3001\u4e00\u4e2a\u5750\u6807\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8d28\uff1a\u5c06\u5206\u6563\u7684\u76f8\u5173\u6570\u636e\u6574\u5408\uff0c\u65b9\u4fbf\u7ba1\u7406\u548c\u4f20\u9012\uff08\u907f\u514d\u51fd\u6570\u53c2\u6570\u8fc7\u591a\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u8bed\u6cd5\u683c\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1. \u57fa\u672c\u5b9a\u4e49\uff08\u65e0 typedef\uff0c\u4f7f\u7528\u65f6\u9700\u52a0 struct \u5173\u952e\u5b57\uff09\nstruct \u7ed3\u6784\u4f53\u540d {\n    \u7c7b\u578b1 \u6210\u54581;  \/\/ \u6210\u5458\u53ef\u4ee5\u662f\u4efb\u610f\u57fa\u7840\u7c7b\u578b\/\u81ea\u5b9a\u4e49\u7c7b\u578b\n    \u7c7b\u578b2 \u6210\u54582;\n    ...\n};\n\n\/\/ 2. \u5e38\u7528\uff1atypedef \u7b80\u5316\uff08\u5b9a\u4e49\u540e\u53ef\u76f4\u63a5\u7528 \u522b\u540d \u4ee3\u66ff struct \u7ed3\u6784\u4f53\u540d\uff09\ntypedef struct {\n    \u7c7b\u578b1 \u6210\u54581;\n    \u7c7b\u578b2 \u6210\u54582;\n} \u7ed3\u6784\u4f53\u522b\u540d;\n\n\/\/ 3. \u5e26\u6807\u7b7e\u7684 typedef\uff08\u652f\u6301\u7ed3\u6784\u4f53\u81ea\u5f15\u7528\uff0c\u5982\u94fe\u8868\u8282\u70b9\uff09\ntypedef struct Node {\n    int data;          \/\/ \u6570\u636e\u57df\n    struct Node* next; \/\/ \u6307\u9488\u57df\uff08\u81ea\u5f15\u7528\uff0c\u6307\u5411\u540c\u7c7b\u578b\u7ed3\u6784\u4f53\uff09\n} Node;\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u5178\u578b\u793a\u4f8b\uff08\u63cf\u8ff0 \u201c\u5b66\u751f\u201d\u201c\u6587\u4ef6\u5bf9\u8c61\u201d\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b 1\uff1a\u63cf\u8ff0\u5b66\u751f\uff08\u5305\u542b\u5b66\u53f7\u3001\u59d3\u540d\u3001\u6210\u7ee9\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5b9a\u4e49\u7ed3\u6784\u4f53\uff08typedef \u7b80\u5316\uff0c\u522b\u540d Student\uff09\ntypedef struct {\n    int id;         \/\/ \u5b66\u53f7\uff08int \u7c7b\u578b\uff09\n    char name&#91;20];  \/\/ \u59d3\u540d\uff08\u5b57\u7b26\u6570\u7ec4\uff09\n    float score;    \/\/ \u6210\u7ee9\uff08float \u7c7b\u578b\uff09\n} Student;\n\nint main() {\n    \/\/ 1. \u5b9a\u4e49\u7ed3\u6784\u4f53\u53d8\u91cf\u5e76\u521d\u59cb\u5316\n    Student stu1 = {101, \"\u5f20\u4e09\", 95.5};\n    \n    \/\/ 2. \u8bbf\u95ee\u7ed3\u6784\u4f53\u6210\u5458\uff08\u7528 . \u64cd\u4f5c\u7b26\uff09\n    printf(\"\u5b66\u53f7\uff1a%d\\n\", stu1.id);\n    printf(\"\u59d3\u540d\uff1a%s\\n\", stu1.name);\n    stu1.score = 98.0;  \/\/ \u4fee\u6539\u6210\u5458\u503c\n    printf(\"\u6210\u7ee9\uff1a%.1f\\n\", stu1.score);\n    \n    \/\/ 3. \u7ed3\u6784\u4f53\u6307\u9488\uff08\u7528 -&gt; \u64cd\u4f5c\u7b26\u8bbf\u95ee\u6210\u5458\uff09\n    Student* p = &amp;stu1;\n    printf(\"\u6307\u9488\u8bbf\u95ee\u59d3\u540d\uff1a%s\\n\", p-&gt;name);\n    \n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b 2\uff1aFatFs \u4e2d\u7684\u6587\u4ef6\u5bf9\u8c61\uff08<code>FIL<\/code>&nbsp;\u7ed3\u6784\u4f53\uff0c\u771f\u5b9e\u573a\u666f\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ FatFs \u5b9a\u4e49\u7684 FIL \u7ed3\u6784\u4f53\uff08\u5b58\u50a8\u5355\u4e2a\u6587\u4ef6\u7684\u72b6\u6001\uff09\ntypedef struct {\n    FATFS* fs;        \/\/ \u6307\u5411\u6240\u5c5e\u7684\u6587\u4ef6\u7cfb\u7edf\uff08\u7ed3\u6784\u4f53\u6307\u9488\uff09\n    WORD id;          \/\/ \u6587\u4ef6\u53e5\u67c4ID\uff08\u6574\u6570\uff09\n    BYTE flag;        \/\/ \u6587\u4ef6\u72b6\u6001\u6807\u5fd7\uff08\u679a\u4e3e\u672c\u8d28\uff0c\u5982\u53ea\u8bfb\/\u53ef\u5199\uff09\n    DWORD fptr;       \/\/ \u5f53\u524d\u6587\u4ef6\u6307\u9488\u4f4d\u7f6e\uff0832\u4f4d\u6574\u6570\uff09\n    DWORD fsize;      \/\/ \u6587\u4ef6\u5927\u5c0f\uff0832\u4f4d\u6574\u6570\uff09\n    DWORD clust;      \/\/ \u5f53\u524d\u7c07\u53f7\uff08\u6587\u4ef6\u7cfb\u7edf\u76f8\u5173\uff09\n    DWORD sect;       \/\/ \u5f53\u524d\u6247\u533a\u53f7\uff08\u5e95\u5c42\u5b58\u50a8\u76f8\u5173\uff09\n    \/\/ ... \u5176\u4ed6\u6210\u5458\n} FIL;\n\n\/\/ \u4f7f\u7528\uff1a\u5b9a\u4e49\u6587\u4ef6\u5bf9\u8c61\uff0c\u4f5c\u4e3a API \u53c2\u6570\nFIL file;\nf_open(&amp;file, \"test.txt\", FA_READ);  \/\/ \u4f20\u5165\u7ed3\u6784\u4f53\u6307\u9488\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u5173\u952e\u7279\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6210\u5458\u662f&nbsp;<strong>\u53d8\u91cf<\/strong>\uff1a\u53ef\u901a\u8fc7&nbsp;<code>.<\/code>\uff08\u76f4\u63a5\u8bbf\u95ee\uff09\u6216&nbsp;<code>-&gt;<\/code>\uff08\u6307\u9488\u8bbf\u95ee\uff09\u4fee\u6539\u503c\uff1b<\/li>\n\n\n\n<li>\u6210\u5458\u7c7b\u578b\u53ef\u6df7\u5408\uff1a\u652f\u6301&nbsp;<code>int<\/code>\u3001<code>char<\/code>\u3001\u6570\u7ec4\u3001\u6307\u9488\u3001\u5176\u4ed6\u7ed3\u6784\u4f53\uff08\u5982&nbsp;<code>FIL<\/code>&nbsp;\u4e2d\u7684&nbsp;<code>FATFS*<\/code>\uff09\uff1b<\/li>\n\n\n\n<li>\u5185\u5b58\u5e03\u5c40\uff1a\u6210\u5458\u5728\u5185\u5b58\u4e2d\u8fde\u7eed\u5b58\u50a8\uff08\u5b58\u5728\u5185\u5b58\u5bf9\u9f50\uff0c\u9ed8\u8ba4\u6309\u6700\u5927\u6210\u5458\u7c7b\u578b\u5bf9\u9f50\uff09\uff1b<\/li>\n\n\n\n<li>\u4f5c\u7528\uff1a\u63cf\u8ff0\u590d\u6742\u5bf9\u8c61\uff0c\u6574\u5408\u76f8\u5173\u6570\u636e\uff0c\u65b9\u4fbf\u4f20\u9012\u548c\u7ba1\u7406\uff08\u5982\u51fd\u6570\u53c2\u6570\u4f20\u9012\u4e00\u4e2a\u7ed3\u6784\u4f53\u6307\u9488\uff0c\u800c\u975e\u591a\u4e2a\u96f6\u6563\u53d8\u91cf\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001\u679a\u4e3e vs \u7ed3\u6784\u4f53\uff1a\u6838\u5fc3\u533a\u522b\uff08\u8868\u683c\u5bf9\u6bd4\uff09<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>\u679a\u4e3e\uff08<code>enum<\/code>\uff09<\/th><th>\u7ed3\u6784\u4f53\uff08<code>struct<\/code>\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u6838\u5fc3\u76ee\u6807<\/td><td>\u9650\u5b9a\u79bb\u6563\u7684\u5408\u6cd5\u503c\uff08\u72b6\u6001\u3001\u9009\u9879\uff09<\/td><td>\u805a\u5408\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff08\u63cf\u8ff0\u590d\u6742\u5bf9\u8c61\uff09<\/td><\/tr><tr><td>\u6210\u5458\u672c\u8d28<\/td><td>\u6574\u6570\u5e38\u91cf\uff08\u4e0d\u53ef\u4fee\u6539\uff09<\/td><td>\u53d8\u91cf\uff08\u53ef\u4fee\u6539\uff0c\u7c7b\u578b\u53ef\u6df7\u5408\uff09<\/td><\/tr><tr><td>\u5185\u5b58\u5360\u7528<\/td><td>\u5355\u4e2a\u6574\u6570\u5927\u5c0f\uff08\u901a\u5e38 4 \u5b57\u8282\uff09<\/td><td>\u6240\u6709\u6210\u5458\u5185\u5b58\u4e4b\u548c\uff08\u542b\u5bf9\u9f50\u5f00\u9500\uff09<\/td><\/tr><tr><td>\u8bbf\u95ee\u65b9\u5f0f<\/td><td>\u76f4\u63a5\u4f7f\u7528\u6210\u5458\u540d\uff08\u5982&nbsp;<code>DR_OK<\/code>\uff09<\/td><td>\u901a\u8fc7&nbsp;<code>.<\/code>&nbsp;\u6216&nbsp;<code>-&gt;<\/code>&nbsp;\u8bbf\u95ee\u6210\u5458\uff08\u5982&nbsp;<code>stu.id<\/code>\uff09<\/td><\/tr><tr><td>\u5178\u578b\u573a\u666f<\/td><td>\u72b6\u6001\u7801\u3001\u9009\u9879\u6807\u8bc6\uff08\u5982&nbsp;<code>DRESULT<\/code>\u3001\u6027\u522b\uff09<\/td><td>\u63cf\u8ff0\u5bf9\u8c61\uff08\u5982\u5b66\u751f\u3001\u6587\u4ef6\u3001\u94fe\u8868\u8282\u70b9\uff09<\/td><\/tr><tr><td>\u8bed\u6cd5\u5173\u952e\u5b57<\/td><td><code>enum<\/code><\/td><td><code>struct<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u60f3\u9650\u5b9a\u53d8\u91cf\u7684 \u201c\u5408\u6cd5\u53d6\u503c\u201d\uff08\u6bd4\u5982\u64cd\u4f5c\u7ed3\u679c\u53ea\u80fd\u662f\u6210\u529f \/ \u5931\u8d25 \/ \u672a\u627e\u5230\uff09\u2192 \u7528\u679a\u4e3e\uff1b<\/li>\n\n\n\n<li>\u60f3\u6574\u5408\u591a\u4e2a\u76f8\u5173\u6570\u636e\uff08\u6bd4\u5982\u4e00\u4e2a\u5b66\u751f\u7684\u5b66\u53f7\u3001\u59d3\u540d\u3001\u6210\u7ee9\uff09\u2192 \u7528\u7ed3\u6784\u4f53\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u3001\u5e38\u89c1\u8bef\u533a<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6df7\u6dc6&nbsp;<code>typedef<\/code>&nbsp;\u7528\u6cd5\uff1a\u679a\u4e3e\u7684&nbsp;<code>typedef enum { ... } \u522b\u540d<\/code>&nbsp;\u548c\u7ed3\u6784\u4f53\u7684&nbsp;<code>typedef struct { ... } \u522b\u540d<\/code>&nbsp;\u53ea\u662f \u201c\u7b80\u5316\u7c7b\u578b\u540d\u201d \u7684\u8bed\u6cd5\uff0c\u6838\u5fc3\u533a\u522b\u5728&nbsp;<code>enum<\/code>&nbsp;\u548c&nbsp;<code>struct<\/code>&nbsp;\u5173\u952e\u5b57\uff0c\u800c\u975e&nbsp;<code>typedef<\/code>\uff1b<\/li>\n\n\n\n<li>\u679a\u4e3e\u6210\u5458\u8d4b\u503c\uff1a\u679a\u4e3e\u6210\u5458\u662f\u5e38\u91cf\uff0c\u4e0d\u80fd\u5728\u5b9a\u4e49\u540e\u4fee\u6539\uff08\u5982&nbsp;<code>DR_OK = 1;<\/code>&nbsp;\u9519\u8bef\uff09\uff1b<\/li>\n\n\n\n<li>\u7ed3\u6784\u4f53\u5185\u5b58\u5bf9\u9f50\uff1a\u7ed3\u6784\u4f53\u6210\u5458\u4e0d\u662f\u7d27\u5bc6\u6392\u5217\u7684\uff08\u5982&nbsp;<code>char + int<\/code>&nbsp;\u53ef\u80fd\u5360\u7528 8 \u5b57\u8282\uff0c\u800c\u975e 5 \u5b57\u8282\uff09\uff0c\u9700\u6ce8\u610f\u5185\u5b58\u5bf9\u9f50\u89c4\u5219\uff08\u53ef\u901a\u8fc7&nbsp;<code>#pragma pack(1)<\/code>&nbsp;\u53d6\u6d88\u5bf9\u9f50\uff09\uff1b<\/li>\n\n\n\n<li>\u7ed3\u6784\u4f53\u6307\u9488\u8bbf\u95ee\uff1a\u7ed3\u6784\u4f53\u6307\u9488\u5fc5\u987b\u7528&nbsp;<code>-&gt;<\/code>&nbsp;\u8bbf\u95ee\u6210\u5458\uff0c\u4e0d\u80fd\u7528&nbsp;<code>.<\/code>\uff08\u5982&nbsp;<code>p-&gt;id<\/code>&nbsp;\u6b63\u786e\uff0c<code>p.id<\/code>&nbsp;\u9519\u8bef\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 C \u8bed\u8a00\u4e2d\uff0c\u679a\u4e3e\uff08enum\uff09&nbsp;\u548c&nbsp;\u7ed3\u6784\u4f53\uff08struct\uff09&nbsp;\u662f\u4e24\u79cd\u6838\u5fc3\u7684\u81ea\u5b9a\u4e49&hellip; <a href=\"https:\/\/www.codenas.com\/index.php\/2025\/12\/03\/c%e8%af%ad%e8%a8%80%e4%b8%ad%e6%9e%9a%e4%b8%be-vs-%e7%bb%93%e6%9e%84%e4%bd%93\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">C\u8bed\u8a00\u4e2d\u679a\u4e3e vs \u7ed3\u6784\u4f53<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[239],"tags":[],"class_list":["post-44","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/posts\/44","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/comments?post=44"}],"version-history":[{"count":2,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/posts\/44\/revisions"}],"predecessor-version":[{"id":46,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/posts\/44\/revisions\/46"}],"wp:attachment":[{"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/media?parent=44"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/categories?post=44"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codenas.com\/index.php\/wp-json\/wp\/v2\/tags?post=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}