{"id":89,"date":"2026-09-17T11:17:00","date_gmt":"2026-09-17T03:17:00","guid":{"rendered":"https:\/\/decagrammaton.xyz\/?p=89"},"modified":"2026-09-17T16:20:32","modified_gmt":"2026-09-17T08:20:32","slug":"09-c%e8%af%ad%e8%a8%80%e7%bb%93%e6%9e%84%e4%bd%93","status":"publish","type":"post","link":"https:\/\/decagrammaton.xyz\/?p=89","title":{"rendered":"09-C\u8bed\u8a00\u7ed3\u6784\u4f53"},"content":{"rendered":"\n

\u524d\u9762\u6211\u4eec\u5b66\u4e60\u4e86\u6570\u7ec4\u3002<\/p>\n\n\n\n

\u6570\u7ec4\u53ef\u4ee5\u628a\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e<\/strong>\u653e\u5728\u4e00\u8d77\uff1a<\/p>\n\n\n\n

<\/a>int<\/span> a[<\/span>5<\/span>]<\/span> =<\/span> {<\/span>10<\/span>,<\/span> 20<\/span>,<\/span> 30<\/span>,<\/span> 40<\/span>,<\/span> 50<\/span>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f46\u662f\u73b0\u5b9e\u4e2d\u7684\u4e00\u4e2a\u5bf9\u8c61\uff0c\u901a\u5e38\u4e0d\u53ea\u6709\u4e00\u79cd\u6570\u636e\u3002<\/p>\n\n\n\n
\u4f8b\u5982\u4e00\u4e2a\u5b66\u751f\uff1a<\/p>\n\n\n\n
\u59d3\u540d -> \u5b57\u7b26\u4e32\n\u5e74\u9f84 -> int\n\u6210\u7ee9 -> double<\/code><\/pre>\n\n\n\n
\u5982\u679c\u4f7f\u7528\u666e\u901a\u53d8\u91cf\uff1a<\/p>\n\n\n\n
<\/a>char<\/span> name[<\/span>50<\/span>]<\/span> =<\/span> \"Alice\"<\/span>;<\/span><\/span>\n<\/a>int<\/span> age =<\/span> 18<\/span>;<\/span><\/span>\n<\/a>double<\/span> score =<\/span> 95.5<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5f53\u5b66\u751f\u8d8a\u6765\u8d8a\u591a\u65f6\uff0c\u5c31\u4f1a\u53d8\u5f97\u5f88\u9ebb\u70e6\u3002<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\u5c31\u662f\u7528\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e00\u3001\u4ec0\u4e48\u662f\u7ed3\u6784\u4f53<\/h1>\n\n\n\n
\u7ed3\u6784\u4f53\uff08struct<\/code>\uff09\u53ef\u4ee5\u628a\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u7ec4\u5408\u5728\u4e00\u8d77<\/strong>\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2a Student<\/code> \u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n
\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n
Student\n\u251c\u2500 name\n\u251c\u2500 age\n\u2514\u2500 score<\/code><\/pre>\n\n\n\n
\u5176\u4e2d\uff1a<\/p>\n\n\n\n
<\/a>char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>int<\/span> age;<\/span><\/span>\n<\/a>double<\/span> score;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u53eb\u505a\u7ed3\u6784\u4f53\u7684\u6210\u5458<\/strong>\u3002<\/p>\n\n\n\n
\u6ce8\u610f\uff1a<\/p>\n\n\n\n
\u4e0a\u9762\u7684\u4ee3\u7801\u53ea\u662f\u5b9a\u4e49\u4e86\u4e00\u79cd\u7ed3\u6784\u4f53\u7c7b\u578b\u3002<\/p>\n\n\n\n
\u8fd8\u6ca1\u6709\u521b\u5efa\u771f\u6b63\u7684\u53d8\u91cf\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e8c\u3001struct \u5b9a\u4e49<\/h1>\n\n\n\n
\u57fa\u672c\u683c\u5f0f\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> \u7ed3\u6784\u4f53\u540d\u5b57 {<\/span><\/span>\n<\/a>    \u6570\u636e\u7c7b\u578b \u6210\u54581<\/span>;<\/span><\/span>\n<\/a>    \u6570\u636e\u7c7b\u578b \u6210\u54582<\/span>;<\/span><\/span>\n<\/a>    \u6570\u636e\u7c7b\u578b \u6210\u54583<\/span>;<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u6ce8\u610f\u6700\u540e\u4e00\u5b9a\u8981\u6709\uff1a<\/p>\n\n\n\n
<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e5f\u5c31\u662f\u7ed3\u6784\u4f53\u5b9a\u4e49\u540e\u9700\u8981\u4e00\u4e2a\u5206\u53f7\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e09\u3001\u7ed3\u6784\u4f53\u53d8\u91cf<\/h1>\n\n\n\n
\u5b9a\u4e49\u7ed3\u6784\u4f53\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u521b\u5efa\u53d8\u91cf\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\uff1a<\/p>\n\n\n\n
struct Student<\/code><\/pre>\n\n\n\n
\u662f\u7c7b\u578b\u3002<\/p>\n\n\n\n
s<\/code><\/pre>\n\n\n\n
\u662f\u53d8\u91cf\u3002<\/p>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s;<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u56db\u3001\u6210\u5458\u8bbf\u95ee .<\/code><\/h1>\n\n\n\n
\u7ed3\u6784\u4f53\u53d8\u91cf\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n
.<\/code><\/pre>\n\n\n\n
\u8bbf\u95ee\u6210\u5458\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s;<\/span><\/span>\n<\/a><\/span>\n<\/a>s.<\/span>age =<\/span> 18<\/span>;<\/span><\/span>\n<\/a>s.<\/span>score =<\/span> 95.5<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8bbf\u95ee\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
<\/a>\u53d8\u91cf.<\/span>\u6210\u5458<\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>s.<\/span>age<\/span>\n<\/a>s.<\/span>score<\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u4fee\u6539\u7ed3\u6784\u4f53\u6210\u5458<\/h2>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s;<\/span><\/span>\n<\/a><\/span>\n<\/a>    s.<\/span>age =<\/span> 18<\/span>;<\/span><\/span>\n<\/a>    s.<\/span>score =<\/span> 95.5<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"age = <\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"score = <\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd0\u884c\uff1a<\/p>\n\n\n\n
age = 18\nscore = 95.50<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e94\u3001\u7ed3\u6784\u4f53\u521d\u59cb\u5316<\/h1>\n\n\n\n
\u7ed3\u6784\u4f53\u53ef\u4ee5\u5728\u521b\u5efa\u7684\u65f6\u5019\u76f4\u63a5\u521d\u59cb\u5316\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5bf9\u5e94\u5173\u7cfb\uff1a<\/p>\n\n\n\n
name  -> \"Alice\"\nage   -> 18\nscore -> 95.5<\/code><\/pre>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"name = <\/span>%s\\n<\/span>\"<\/span>,<\/span> s.<\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"age = <\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"score = <\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u516d\u3001\u6307\u5b9a\u6210\u5458\u521d\u59cb\u5316<\/h1>\n\n\n\n
\u8fd8\u53ef\u4ee5\u6307\u5b9a\u521d\u59cb\u5316\u67d0\u4e2a\u6210\u5458\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s =<\/span> {<\/span><\/span>\n<\/a>    .<\/span>name =<\/span> \"Alice\"<\/span>,<\/span><\/span>\n<\/a>    .<\/span>age =<\/span> 18<\/span>,<\/span><\/span>\n<\/a>    .<\/span>score =<\/span> 95.5<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u6837\u4ee3\u7801\u66f4\u52a0\u6e05\u695a\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s =<\/span> {<\/span><\/span>\n<\/a>    .<\/span>age =<\/span> 18<\/span>,<\/span><\/span>\n<\/a>    .<\/span>score =<\/span> 95.5<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u6ca1\u6709\u521d\u59cb\u5316\u7684\u6210\u5458\u4f1a\u4f7f\u7528\u5bf9\u5e94\u7c7b\u578b\u7684\u96f6\u503c\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e03\u3001\u7ed3\u6784\u4f53\u6570\u7ec4<\/h1>\n\n\n\n
\u65e2\u7136\u6570\u7ec4\u53ef\u4ee5\u4fdd\u5b58\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u90a3\u4e48\u5f53\u7136\u4e5f\u53ef\u4ee5\u521b\u5efa\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\u6570\u7ec4\u3002<\/strong><\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student students[<\/span>3<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8868\u793a\uff1a<\/p>\n\n\n\n
students[0]\nstudents[1]\nstudents[2]<\/code><\/pre>\n\n\n\n
\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student<\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u521d\u59cb\u5316\u7ed3\u6784\u4f53\u6570\u7ec4<\/h2>\n\n\n\n
<\/a>struct<\/span> Student students[<\/span>3<\/span>]<\/span> =<\/span> {<\/span><\/span>\n<\/a>    {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>},<\/span><\/span>\n<\/a>    {<\/span>\"Bob\"<\/span>,<\/span> 19<\/span>,<\/span> 88.0<\/span>},<\/span><\/span>\n<\/a>    {<\/span>\"Charlie\"<\/span>,<\/span> 18<\/span>,<\/span> 92.5<\/span>}<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u904d\u5386\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student students[<\/span>3<\/span>]<\/span> =<\/span> {<\/span><\/span>\n<\/a>        {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>},<\/span><\/span>\n<\/a>        {<\/span>\"Bob\"<\/span>,<\/span> 19<\/span>,<\/span> 88.0<\/span>},<\/span><\/span>\n<\/a>        {<\/span>\"Charlie\"<\/span>,<\/span> 18<\/span>,<\/span> 92.5<\/span>}<\/span><\/span>\n<\/a>    };<\/span><\/span>\n<\/a><\/span>\n<\/a>    for<\/span> (<\/span>int<\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> 3<\/span>;<\/span> i++)<\/span> {<\/span><\/span>\n<\/a>        printf(<\/span><\/span>\n<\/a>            \"<\/span>%s<\/span> <\/span>%d<\/span> <\/span>%.2f\\n<\/span>\"<\/span>,<\/span><\/span>\n<\/a>            students[<\/span>i].<\/span>name,<\/span><\/span>\n<\/a>            students[<\/span>i].<\/span>age,<\/span><\/span>\n<\/a>            students[<\/span>i].<\/span>score<\/span>\n<\/a>        );<\/span><\/span>\n<\/a>    }<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u7ed3\u5408\u4e86\u4e4b\u524d\u5b66\u8fc7\u7684\uff1a<\/p>\n\n\n\n
\u6570\u7ec4\n+\nfor\n+\n\u7ed3\u6784\u4f53<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u516b\u3001\u7ed3\u6784\u4f53\u6307\u9488<\/h1>\n\n\n\n
\u7ed3\u6784\u4f53\u5f53\u7136\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6307\u9488\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student *<\/span>p =<\/span> &<\/span>s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\uff1a<\/p>\n\n\n\n
s\n\u2193\nStudent \u53d8\u91cf\n\n&s\n\u2193\ns \u7684\u5730\u5740\n\np\n\u2193\n\u4fdd\u5b58 s \u7684\u5730\u5740<\/code><\/pre>\n\n\n\n
\u6240\u4ee5\uff1a<\/p>\n\n\n\n
<\/a>p<\/span><\/code><\/pre><\/div>\n\n\n\n
\u662f\u4e00\u4e2a\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student *<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7c7b\u578b\u7684\u6307\u9488\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e5d\u3001\u901a\u8fc7\u7ed3\u6784\u4f53\u6307\u9488\u8bbf\u95ee\u6210\u5458<\/h1>\n\n\n\n
\u5982\u679c\u4f7f\u7528\u666e\u901a\u7ed3\u6784\u4f53\u53d8\u91cf\uff1a<\/p>\n\n\n\n
<\/a>s.<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u5982\u679c\u4f7f\u7528\u7ed3\u6784\u4f53\u6307\u9488\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u51fa\u73b0\u4e86\u65b0\u7684\u8fd0\u7b97\u7b26\uff1a<\/p>\n\n\n\n
-><\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    struct<\/span> Student *<\/span>p =<\/span> &<\/span>s;<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"<\/span>%s\\n<\/span>\"<\/span>,<\/span> p-><\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%d\\n<\/span>\"<\/span>,<\/span> p-><\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%.2f\\n<\/span>\"<\/span>,<\/span> p-><\/span>score);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u3001.<\/code> \u548c -><\/code>\n\u7684\u533a\u522b<\/h1>\n\n\n\n
\u8fd9\u662f\u7ed3\u6784\u4f53\u975e\u5e38\u91cd\u8981\u7684\u77e5\u8bc6\u3002<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\u53d8\u91cf<\/h2>\n\n\n\n
\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>.<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>s.<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u7ed3\u6784\u4f53\u6307\u9488<\/h2>\n\n\n\n
\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>-><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ef\u4ee5\u7b80\u5355\u8bb0\u6210\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\u53d8\u91cf\n    \u2193\n   .\n\n\u7ed3\u6784\u4f53\u6307\u9488\n    \u2193\n   -><\/code><\/pre>\n\n\n\n
\u5b9e\u9645\u4e0a\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
<\/a>(*<\/span>p).<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n
<\/a>(*<\/span>p).<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u4e00\u3001\u4e3a\u4ec0\u4e48 (*p).age<\/code>\n\u8981\u52a0\u62ec\u53f7<\/h1>\n\n\n\n
\u4e0d\u80fd\u5199\uff1a<\/p>\n\n\n\n
<\/a>*<\/span>p.<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u56e0\u4e3a\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u4f1a\u5bfc\u81f4\u5b83\u88ab\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n
<\/a>*(<\/span>p.<\/span>age)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u800c p<\/code> \u662f\u6307\u9488\uff0c\u5e76\u6ca1\u6709 age<\/code> \u8fd9\u4e2a\u6210\u5458\u3002<\/p>\n\n\n\n
\u6240\u4ee5\u5e94\u8be5\u5199\uff1a<\/p>\n\n\n\n
<\/a>(*<\/span>p).<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u800c\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u5c31\u662f\u4e13\u95e8\u4e3a\u7ed3\u6784\u4f53\u6307\u9488\u8bbe\u8ba1\u7684\u7b80\u5199\u3002<\/p>\n\n\n\n
\n\n\n\n
\u5341\u4e8c\u3001\u7ed3\u6784\u4f53\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/h1>\n\n\n\n
\u7ed3\u6784\u4f53\u53ef\u4ee5\u4f20\u7ed9\u51fd\u6570\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> print_student(<\/span>struct<\/span> Student s)<\/span> {<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%s\\n<\/span>\"<\/span>,<\/span> s.<\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> print_student(<\/span>struct<\/span> Student s)<\/span> {<\/span><\/span>\n<\/a>    printf(<\/span>\"name: <\/span>%s\\n<\/span>\"<\/span>,<\/span> s.<\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"age: <\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"score: <\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    print_student(<\/span>s);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u548c\u666e\u901a\u53d8\u91cf\u4f20\u53c2\u7c7b\u4f3c\uff1a<\/p>\n\n\n\n
<\/a>print_student(<\/span>s);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u51fd\u6570\u6536\u5230\u7684\u662f\u7ed3\u6784\u4f53\u7684\u4e00\u4efd\u526f\u672c\u3002<\/p>\n\n\n\n
\n\n\n\n
\u5341\u4e09\u3001\u7ed3\u6784\u4f53\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570<\/h1>\n\n\n\n
\u5982\u679c\u7ed3\u6784\u4f53\u6bd4\u8f83\u5927\uff0c\u590d\u5236\u6574\u4e2a\u7ed3\u6784\u4f53\u53ef\u80fd\u6ca1\u6709\u5fc5\u8981\u3002<\/p>\n\n\n\n
\u53ef\u4ee5\u76f4\u63a5\u4f20\u5730\u5740\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> print_student(<\/span>struct<\/span> Student *<\/span>p)<\/span> {<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%s\\n<\/span>\"<\/span>,<\/span> p-><\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%d\\n<\/span>\"<\/span>,<\/span> p-><\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%.2f\\n<\/span>\"<\/span>,<\/span> p-><\/span>score);<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8c03\u7528\uff1a<\/p>\n\n\n\n
<\/a>print_student(&<\/span>s);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> print_student(<\/span>struct<\/span> Student *<\/span>p)<\/span> {<\/span><\/span>\n<\/a>    printf(<\/span>\"name: <\/span>%s\\n<\/span>\"<\/span>,<\/span> p-><\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"age: <\/span>%d\\n<\/span>\"<\/span>,<\/span> p-><\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"score: <\/span>%.2f\\n<\/span>\"<\/span>,<\/span> p-><\/span>score);<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    print_student(&<\/span>s);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u56db\u3001\u901a\u8fc7\u51fd\u6570\u4fee\u6539\u7ed3\u6784\u4f53<\/h1>\n\n\n\n
\u8fd9\u4e00\u70b9\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n
\u5982\u679c\u76f4\u63a5\u4f20\u7ed3\u6784\u4f53\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> change(<\/span>struct<\/span> Student s)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4fee\u6539\u7684\u662f\u526f\u672c\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> change(<\/span>struct<\/span> Student s)<\/span> {<\/span><\/span>\n<\/a>    s.<\/span>age =<\/span> 20<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8c03\u7528\uff1a<\/p>\n\n\n\n
<\/a>change(<\/span>s);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u539f\u6765\u7684\uff1a<\/p>\n\n\n\n
<\/a>s.<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4f46\u662f\u5982\u679c\u4f20\u6307\u9488\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> change(<\/span>struct<\/span> Student *<\/span>p)<\/span> {<\/span><\/span>\n<\/a>    p-><\/span>age =<\/span> 20<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
<\/a>change(&<\/span>s);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u539f\u6765\u7684 s<\/code> \u5c31\u4f1a\u88ab\u4fee\u6539\u3002<\/p>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> change_age(<\/span>struct<\/span> Student *<\/span>p)<\/span> {<\/span><\/span>\n<\/a>    p-><\/span>age =<\/span> 20<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"\u4fee\u6539\u524d: <\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a><\/span>\n<\/a>    change_age(&<\/span>s);<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"\u4fee\u6539\u540e: <\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
\u4fee\u6539\u524d: 18\n\u4fee\u6539\u540e: 20<\/code><\/pre>\n\n\n\n
\u8fd9\u548c\u4f60\u4e4b\u524d\u5b66\u4e60\u7684\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> swap(<\/span>int<\/span> *<\/span>a,<\/span> int<\/span> *<\/span>b)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u672c\u8d28\u4e0a\u662f\u540c\u4e00\u79cd\u601d\u60f3\uff1a<\/p>\n\n\n\n
\u628a\u5730\u5740\u4f20\u8fdb\u53bb\n\u2193\n\u51fd\u6570\u901a\u8fc7\u5730\u5740\n\u2193\n\u76f4\u63a5\u4fee\u6539\u539f\u6765\u7684\u6570\u636e<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e94\u3001\u7ed3\u6784\u4f53\u4f5c\u4e3a\u51fd\u6570\u8fd4\u56de\u503c<\/h1>\n\n\n\n
\u51fd\u6570\u4e5f\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student create_student()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> s;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s =<\/span> create_student();<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span>\n<\/a><\/span>\n<\/a>struct<\/span> Student create_student()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> s;<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    struct<\/span> Student s =<\/span> create_student();<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"<\/span>%s\\n<\/span>\"<\/span>,<\/span> s.<\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u516d\u3001typedef<\/h1>\n\n\n\n
\u6bcf\u6b21\u5199\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student<\/span><\/code><\/pre><\/div>\n\n\n\n
\u7a0d\u5fae\u6709\u4e00\u70b9\u9ebb\u70e6\u3002<\/p>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 typedef<\/code> \u7ed9\u7ed3\u6784\u4f53\u7c7b\u578b\u8d77\u4e00\u4e2a\u522b\u540d\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4ee5\u540e\u5c31\u53ef\u4ee5\u76f4\u63a5\u5199\uff1a<\/p>\n\n\n\n
<\/a>Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u800c\u4e0d\u7528\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
typedef \u7684\u57fa\u672c\u683c\u5f0f<\/h2>\n\n\n\n
<\/a>typedef<\/span> \u539f\u6765\u7684\u7c7b\u578b \u65b0\u540d\u5b57;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> int<\/span> Integer;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u90a3\u4e48\uff1a<\/p>\n\n\n\n
<\/a>Integer a =<\/span> 10<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5b9e\u9645\u4e0a\u5c31\u662f\uff1a<\/p>\n\n\n\n
<\/a>int<\/span> a =<\/span> 10<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u4e03\u3001typedef + struct<\/h1>\n\n\n\n
\u63a8\u8350\u638c\u63e1\u8fd9\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a>    Student s =<\/span> {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>};<\/span><\/span>\n<\/a><\/span>\n<\/a>    printf(<\/span>\"<\/span>%s\\n<\/span>\"<\/span>,<\/span> s.<\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%d\\n<\/span>\"<\/span>,<\/span> s.<\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"<\/span>%.2f\\n<\/span>\"<\/span>,<\/span> s.<\/span>score);<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u516b\u3001\u7ed3\u6784\u4f53\u7efc\u5408\u793a\u4f8b<\/h1>\n\n\n\n
\u628a\u76ee\u524d\u5b66\u5230\u7684\u5185\u5bb9\u7ec4\u5408\u8d77\u6765\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a><\/span>\n<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> print_student(<\/span>Student *<\/span>p)<\/span> {<\/span><\/span>\n<\/a>    printf(<\/span>\"\u59d3\u540d: <\/span>%s\\n<\/span>\"<\/span>,<\/span> p-><\/span>name);<\/span><\/span>\n<\/a>    printf(<\/span>\"\u5e74\u9f84: <\/span>%d\\n<\/span>\"<\/span>,<\/span> p-><\/span>age);<\/span><\/span>\n<\/a>    printf(<\/span>\"\u6210\u7ee9: <\/span>%.2f\\n<\/span>\"<\/span>,<\/span> p-><\/span>score);<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> add_score(<\/span>Student *<\/span>p,<\/span> double<\/span> score)<\/span> {<\/span><\/span>\n<\/a>    p-><\/span>score +=<\/span> score;<\/span><\/span>\n<\/a>}<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>    Student students[<\/span>3<\/span>]<\/span> =<\/span> {<\/span><\/span>\n<\/a>        {<\/span>\"Alice\"<\/span>,<\/span> 18<\/span>,<\/span> 95.5<\/span>},<\/span><\/span>\n<\/a>        {<\/span>\"Bob\"<\/span>,<\/span> 19<\/span>,<\/span> 88.0<\/span>},<\/span><\/span>\n<\/a>        {<\/span>\"Charlie\"<\/span>,<\/span> 18<\/span>,<\/span> 92.5<\/span>}<\/span><\/span>\n<\/a>    };<\/span><\/span>\n<\/a><\/span>\n<\/a>    add_score(&<\/span>students[<\/span>0<\/span>],<\/span> 2.0<\/span>);<\/span><\/span>\n<\/a><\/span>\n<\/a>    for<\/span> (<\/span>int<\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> 3<\/span>;<\/span> i++)<\/span> {<\/span><\/span>\n<\/a>        print_student(&<\/span>students[<\/span>i]);<\/span><\/span>\n<\/a>        printf(<\/span>\"<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>    }<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u5df2\u7ecf\u540c\u65f6\u4f7f\u7528\u4e86\uff1a<\/p>\n\n\n\n
typedef\nstruct\n\u6570\u7ec4\n\u51fd\u6570\n\u6307\u9488\n.\n->\nfor<\/code><\/pre>\n\n\n\n
\u8fd9\u5c31\u662f\u7ed3\u6784\u4f53\u771f\u6b63\u7684\u610f\u4e49\uff1a<\/p>\n\n\n\n
\u628a\u591a\u4e2a\u6709\u5173\u8054\u7684\u6570\u636e\u7ec4\u7ec7\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u5bf9\u8c61\u3002<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u5341\u4e5d\u3001\u7ed3\u6784\u4f53\u5728\u5185\u5b58\u4e2d\u7684\u8868\u73b0<\/h1>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u521b\u5efa\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ef\u4ee5\u7c97\u7565\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n
s\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 age          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 score        \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n
\u800c\uff1a<\/p>\n\n\n\n
<\/a>&<\/span>s<\/span><\/code><\/pre><\/div>\n\n\n\n
\u5c31\u662f\u6574\u4e2a\u7ed3\u6784\u4f53\u7684\u5730\u5740\u3002<\/p>\n\n\n\n
\u5982\u679c\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student *<\/span>p =<\/span> &<\/span>s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u90a3\u4e48\uff1a<\/p>\n\n\n\n
p\n \u2193\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502 age          \u2502\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 score        \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n\n\n\n
\u56e0\u6b64\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u5c31\u662f\u901a\u8fc7\u6307\u9488\u8bbf\u95ee\u7ed3\u6784\u4f53\u5185\u90e8\u7684 age<\/code>\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u3001\u7ed3\u6784\u4f53\u4e0e\u6570\u7ec4\u7684\u533a\u522b<\/h1>\n\n\n\n
\u6570\u7ec4\uff1a<\/p>\n\n\n\n
<\/a>int<\/span> a[<\/span>3<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ea\u80fd\u4fdd\u5b58\uff1a<\/p>\n\n\n\n
int\nint\nint<\/code><\/pre>\n\n\n\n
\u7ed3\u6784\u4f53\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ef\u4ee5\u4fdd\u5b58\uff1a<\/p>\n\n\n\n
char[]\nint\ndouble<\/code><\/pre>\n\n\n\n
\u6240\u4ee5\uff1a<\/p>\n\n\n\n
\u6570\u7ec4\n\u2193\n\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\n\n\u7ed3\u6784\u4f53\n\u2193\n\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u3001\u4f46\u903b\u8f91\u76f8\u5173\u7684\u6570\u636e<\/code><\/pre>\n\n\n\n
\u4e24\u8005\u4e5f\u53ef\u4ee5\u7ed3\u5408\uff1a<\/p>\n\n\n\n
<\/a>Student students[<\/span>100<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8868\u793a\uff1a<\/p>\n\n\n\n
100 \u4e2a Student\u3002<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e00\u3001\u7ed3\u6784\u4f53\u4e0e\u6307\u9488\u7684\u5173\u7cfb<\/h1>\n\n\n\n
\u76ee\u524d\u5df2\u7ecf\u53ef\u4ee5\u628a\u8fd9\u51e0\u4e2a\u4e1c\u897f\u8054\u7cfb\u8d77\u6765\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\n    \u2193\nStudent s\n\n\u6307\u9488\n    \u2193\nStudent *p = &s\n\n\u666e\u901a\u6210\u5458\u8bbf\u95ee\n    \u2193\ns.age\n\n\u6307\u9488\u6210\u5458\u8bbf\u95ee\n    \u2193\np->age<\/code><\/pre>\n\n\n\n
\u800c\uff1a<\/p>\n\n\n\n
<\/a>p-><\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\u672c\u8d28\u4e0a\u5c31\u662f\uff1a<\/p>\n\n\n\n
<\/a>(*<\/span>p).<\/span>age<\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e8c\u3001\u7ec3\u4e60<\/h1>\n\n\n\n
\u7ec3\u4e60 1<\/h3>\n\n\n\n
\u5b9a\u4e49\u4e00\u4e2a Person<\/code> \u7ed3\u6784\u4f53\uff1a<\/p>\n\n\n\n
\u59d3\u540d\n\u5e74\u9f84\n\u8eab\u9ad8<\/code><\/pre>\n\n\n\n
\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\u5e76\u8f93\u51fa\u3002<\/p>\n\n\n\n
\n\n\n\n
\u7ec3\u4e60 2<\/h3>\n\n\n\n
\u5b9a\u4e49\uff1a<\/p>\n\n\n\n
<\/a>struct<\/span> Student<\/span><\/code><\/pre><\/div>\n\n\n\n
\u5305\u542b\uff1a<\/p>\n\n\n\n
name\nage\nscore<\/code><\/pre>\n\n\n\n
\u521b\u5efa\u4e00\u4e2a\u5305\u542b 5 \u4e2a\u5b66\u751f\u7684\u7ed3\u6784\u4f53\u6570\u7ec4\u3002<\/p>\n\n\n\n
\u4f7f\u7528 for<\/code> \u8f93\u51fa\u6240\u6709\u5b66\u751f\u3002<\/p>\n\n\n\n
\n\n\n\n
\u7ec3\u4e60 3<\/h3>\n\n\n\n
\u7f16\u5199\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> print_student(<\/span>Student *<\/span>p)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8f93\u51fa\u5b66\u751f\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n
\u8981\u6c42\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>-><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8bbf\u95ee\u6210\u5458\u3002<\/p>\n\n\n\n
\n\n\n\n
\u7ec3\u4e60 4<\/h3>\n\n\n\n
\u7f16\u5199\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> add_score(<\/span>Student *<\/span>p,<\/span> double<\/span> score)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8ba9\u51fd\u6570\u80fd\u591f\u4fee\u6539\u5b66\u751f\u6210\u7ee9\u3002<\/p>\n\n\n\n
\n\n\n\n
\u7ec3\u4e60 5<\/h3>\n\n\n\n
\u7f16\u5199\uff1a<\/p>\n\n\n\n
<\/a>Student create_student(...)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8ba9\u51fd\u6570\u521b\u5efa\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b66\u751f\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n
\n\n\n\n
\u7ec3\u4e60 6<\/h3>\n\n\n\n
\u5b9a\u4e49\u4e00\u4e2a\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> struct<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u628a\u7ed3\u6784\u4f53\u7c7b\u578b\u7b80\u5316\u6210\uff1a<\/p>\n\n\n\n
<\/a>Student<\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>Student s;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u521b\u5efa\u53d8\u91cf\u3002<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u9762\u6211\u4eec\u5b66\u4e60\u4e86\u6570\u7ec4\u3002 \u6570\u7ec4\u53ef\u4ee5\u628a\u591a\u4e2a\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u653e\u5728\u4e00\u8d77\uff1a int a[5] = {10, 20, 30, 40, 50}; \u4f46 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-89","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/posts\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89"}],"version-history":[{"count":1,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions"}],"predecessor-version":[{"id":90,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions\/90"}],"wp:attachment":[{"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/decagrammaton.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}