{"id":97029,"date":"2022-01-24T00:06:47","date_gmt":"2022-01-23T16:06:47","guid":{"rendered":"http:\/\/www.zhushiyao.com\/?p=97029"},"modified":"2022-01-24T00:07:55","modified_gmt":"2022-01-23T16:07:55","slug":"acc38a81ca","status":"publish","type":"post","link":"http:\/\/www.zhushiyao.com\/?p=97029","title":{"rendered":"\u5bf9 C \u8bed\u8a00\u6307\u9488\u6700\u8be6\u5c3d\u7684\u8bb2\u89e3"},"content":{"rendered":"
\n
<\/section>\n

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\u00a0<\/p>\n

\n

\u4e3a\u4ec0\u4e48\u9700\u8981\u6307\u9488\uff1f<\/strong><\/span><\/p>\n<\/section>\n

\u00a0<\/p>\n

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\u00a0<\/p>\n

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\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\u5982\u679c\u6211\u4eec\u8981\u5728\u51fd\u6570\u4e2d\u4fee\u6539\u88ab\u4f20\u9012\u8fc7\u6765\u7684\u5bf9\u8c61\uff0c\u5c31\u5fc5\u987b\u901a\u8fc7\u8fd9\u4e2a\u5bf9\u8c61\u7684\u6307\u9488\u6765\u5b8c\u6210\u3002<\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

\n

\u6307\u9488\u662f\u4ec0\u4e48\uff1f<\/span><\/p>\n<\/section>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

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\u540c\u6837\u6307\u9488\u8fd9\u4e2a\u6982\u5ff5\u4e5f\u6cdb\u6307\u4e00\u7c7b\u6570\u636e\u7c7b\u578b\uff0cint\u6307\u9488\u7c7b\u578b\uff0cdouble\u6307\u9488\u7c7b\u578b\uff0cchar\u6307\u9488\u7c7b\u578b\u7b49\u7b49\u3002<\/p>\n

\u00a0<\/p>\n

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\u00a0<\/p>\n

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\u00a0<\/p>\n

\u56e0\u6b64\uff1a\u6307\u9488\u662f\u7a0b\u5e8f\u6570\u636e\u5728\u5185\u5b58\u4e2d\u7684\u5730\u5740\uff0c\u800c\u6307\u9488\u53d8\u91cf\u662f\u7528\u6765\u4fdd\u5b58\u8fd9\u4e9b\u5730\u5740\u7684\u53d8\u91cf\u3002<\/span><\/p>\n

\u00a0<\/p>\n

\u00a0<\/span>\"\u5bf9<\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

\n

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\u00a0<\/p>\n

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\u00a0<\/p>\n

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\u00a0<\/span><\/p>\n

\"\u5bf9<\/p>\n

\u00a0<\/p>\n

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\u00a0<\/p>\n

\"\u5bf9<\/p>\n

\u00a0<\/p>\n

\u5728\u7a0b\u5e8f\u5458\u773c\u4e2d\u7684\u5185\u5b58\u5e94\u8be5\u662f\u4e0b\u9762\u8fd9\u6837\u7684\u3002<\/span><\/p>\n

\u00a0<\/p>\n

\"\u5bf9<\/p>\n

\u00a0<\/p>\n

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\u6700\u5173\u952e\u7684\u662f\uff0c\u6bcf\u4e00\u4e2a\u5b57\u8282\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7f16\u53f7,\u7f16\u53f7\u4ece0\u5f00\u59cb\uff0c\u4e00\u76f4\u5230\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u3002<\/p>\n

\u5982\u4e0a\u56fe\u4e2d\uff0c\u8fd9\u662f\u4e00\u4e2a256M\u7684\u5185\u5b58\uff0c\u4ed6\u4e00\u5171\u6709256x1024x1024 \u00a0= 268435456\u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u5b83\u7684\u5730\u5740\u8303\u56f4\u5c31\u662f 0 ~268435455 \u00a0\u3002<\/p>\n

\u00a0<\/span><\/p>\n

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\u56e0\u6b64\uff0c\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u53d8\u91cf\uff0c\u5e38\u91cf\uff0c\u751a\u81f3\u6570\u51fd\u6570\u7b49\u6570\u636e\uff0c\u5f53\u4ed6\u4eec\u88ab\u8f7d\u5165\u5230\u5185\u5b58\u4e2d\u540e\uff0c\u90fd\u6709\u81ea\u5df1\u552f\u4e00\u7684\u4e00\u4e2a\u7f16\u53f7\uff0c\u8fd9\u4e2a\u7f16\u53f7\u5c31\u662f\u8fd9\u4e2a\u6570\u636e\u7684\u5730\u5740\u3002<\/p>\n

\u6307\u9488\u5c31\u662f\u8fd9\u6837\u5f62\u6210\u7684\u3002<\/p>\n

\u00a0<\/p>\n

\u4e0b\u9762\u7528\u4ee3\u7801\u8bf4\u660e<\/span><\/p>\n

\u00a0<\/p>\n

\n
    \n
  • \u00a0<\/li>\n
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  • \u00a0<\/li>\n
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  • \u00a0<\/li>\n
  • \u00a0<\/li>\n
  • \u00a0<\/li>\n
  • \u00a0<\/li>\n<\/ul>\n
    #include <stdio.h><\/span><\/span><\/code>
    <\/span><\/code>int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    char ch = 'a'<\/span>;<\/span><\/code>    int<\/span>  num = 97<\/span>;<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"ch\u00a0\u7684\u5730\u5740:%p\"<\/span>,&ch);\u00a0\u00a0\u00a0\/\/ch<\/span>\u00a0\u7684\u5730\u5740:002<\/span>8FF47<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"num\u7684\u5730\u5740:%p\"<\/span>,&num);\u00a0\u00a0\/\/num<\/span>\u7684\u5730\u5740:002<\/span>8FF40<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
    \u00a0<\/p>\n
    \"\u5bf9<\/p>\n
    \u00a0<\/p>\n
    \u6307\u9488\u7684\u503c\u5b9e\u8d28\u662f\u5185\u5b58\u5355\u5143\uff08\u5373\u5b57\u8282\uff09\u7684\u7f16\u53f7\uff0c\u6240\u4ee5\u6307\u9488\u5355\u72ec\u4ece\u6570\u503c\u4e0a\u770b\uff0c\u4e5f\u662f\u6574\u6570\uff0c\u4ed6\u4eec\u4e00\u822c\u752816\u8fdb\u5236\u8868\u793a\u3002<\/span><\/p>\n
    \u6307\u9488\u7684\u503c\uff08\u865a\u62df\u5730\u5740\u503c\uff09\u4f7f\u7528\u4e00\u4e2a\u673a\u5668\u5b57\u7684\u5927\u5c0f\u6765\u5b58\u50a8\u3002<\/p>\n
    \u4e5f\u5c31\u662f\u8bf4,\u5bf9\u4e8e\u4e00\u4e2a\u673a\u5668\u5b57\u4e3aw\u4f4d\u7684\u7535\u8111\u800c\u8a00,\u5b83\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u662f0~2w \uff0d 1 ,\u7a0b\u5e8f\u6700\u591a\u80fd\u8bbf\u95ee2w\u4e2a\u5b57\u8282\u3002<\/p>\n
    \u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48xp\u8fd9\u79cd32\u4f4d\u7cfb\u7edf\u6700\u5927\u652f\u63014GB\u5185\u5b58\u7684\u539f\u56e0\u4e86\u3002<\/p>\n
    \u00a0<\/p>\n
    \u6211\u4eec\u53ef\u4ee5\u5927\u81f4\u753b\u51fa\u53d8\u91cfch\u548cnum\u5728\u5185\u5b58\u6a21\u578b\u4e2d\u7684\u5b58\u50a8\u3002\uff08\u5047\u8bbe char\u53601\u4e2a\u5b57\u8282\uff0cint\u53604\u5b57\u8282\uff09<\/span><\/p>\n
    \u00a0<\/span>\"\u5bf9<\/p>\n
    \u00a0<\/p>\n
    \u00a0<\/p>\n
    \n
    \u53d8\u91cf\u548c\u5185\u5b58<\/span><\/strong><\/span><\/p>\n<\/section>\n
    \u00a0<\/p>\n
    \u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0c\u8fd9\u91cc\u5c31\u7528\u4e0a\u9762\u4f8b\u5b50\u4e2d\u7684 \u00a0int num = 97 \u8fd9\u4e2a\u5c40\u90e8\u53d8\u91cf\u6765\u5206\u6790\u53d8\u91cf\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u50a8\u6a21\u578b\u3002<\/span><\/p>\n
    \u00a0<\/span>\"\u5bf9<\/p>\n
    \u00a0<\/p>\n
    \u5df2\u77e5\uff1anum\u7684\u7c7b\u578b\u662fint\uff0c\u5360\u7528\u4e864\u4e2a\u5b57\u8282\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5176\u503c\u662f97\uff0c\u5730\u5740\u662f0028FF40\u3002\u6211\u4eec\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u53bb\u5206\u6790\u3002<\/span><\/p>\n
    \u00a0<\/span><\/p>\n
    1\u3001\u5185\u5b58\u7684\u6570\u636e<\/span><\/strong><\/p>\n
    \u00a0<\/p>\n
    \u5185\u5b58\u7684\u6570\u636e\u5c31\u662f\u53d8\u91cf\u7684\u503c\u5bf9\u5e94\u7684\u4e8c\u8fdb\u5236\uff0c\u4e00\u5207\u90fd\u662f\u4e8c\u8fdb\u5236\u3002<\/span><\/p>\n
    97\u7684\u4e8c\u8fdb\u5236\u662f : 00000000 00000000 00000000 0110000 , \u4f46\u4f7f\u7528\u7684\u5c0f\u7aef\u6a21\u5f0f\u5b58\u50a8\u65f6\uff0c\u4f4e\u4f4d\u6570\u636e\u5b58\u653e\u5728\u4f4e\u5730\u5740\uff0c\u6240\u4ee5\u56fe\u4e2d\u753b\u7684\u65f6\u5019\u662f\u5012\u8fc7\u6765\u7684\u3002<\/p>\n
    \u00a0<\/span><\/p>\n
    2\u3001\u5185\u5b58\u6570\u636e\u7684\u7c7b\u578b<\/span><\/strong><\/p>\n
    \u00a0<\/p>\n
    \u5185\u5b58\u7684\u6570\u636e\u7c7b\u578b\u51b3\u5b9a\u4e86\u8fd9\u4e2a\u6570\u636e\u5360\u7528\u7684\u5b57\u8282\u6570\uff0c\u4ee5\u53ca\u8ba1\u7b97\u673a\u5c06\u5982\u4f55\u89e3\u91ca\u8fd9\u4e9b\u5b57\u8282\u3002<\/span><\/p>\n
    num\u7684\u7c7b\u578b\u662fint\uff0c\u56e0\u6b64\u5c06\u88ab\u89e3\u91ca\u4e3a \u4e00\u4e2a\u6574\u6570\u3002<\/p>\n
    \u00a0<\/span><\/strong><\/p>\n
    3\u3001\u5185\u5b58\u6570\u636e\u7684\u540d\u79f0<\/span><\/strong><\/p>\n
    \u00a0<\/p>\n
    \u5185\u5b58\u7684\u540d\u79f0\u5c31\u662f\u53d8\u91cf\u540d\u3002\u5b9e\u8d28\u4e0a\uff0c\u5185\u5b58\u6570\u636e\u90fd\u662f\u4ee5\u5730\u5740\u6765\u6807\u8bc6\u7684\uff0c\u6839\u672c\u6ca1\u6709\u5185\u5b58\u7684\u540d\u79f0\u8fd9\u4e2a\u8bf4\u6cd5\uff0c\u8fd9\u53ea\u662f\u9ad8\u7ea7\u8bed\u8a00\u63d0\u4f9b\u7684\u62bd\u8c61\u673a\u5236 \uff0c\u65b9\u4fbf\u6211\u4eec\u64cd\u4f5c\u5185\u5b58\u6570\u636e\u3002<\/span><\/p>\n
    \u800c\u4e14\u5728C\u8bed\u8a00\u4e2d\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u5185\u5b58\u6570\u636e\u90fd\u6709\u540d\u79f0\uff0c\u4f8b\u5982\u4f7f\u7528malloc\u7533\u8bf7\u7684\u5806\u5185\u5b58\u5c31\u6ca1\u6709\u3002<\/p>\n
    \u00a0<\/span><\/p>\n
    4\u3001\u5185\u5b58\u6570\u636e\u7684\u5730\u5740<\/span><\/strong><\/p>\n
    \u00a0<\/p>\n
    \u5982\u679c\u4e00\u4e2a\u7c7b\u578b\u5360\u7528\u7684\u5b57\u8282\u6570\u5927\u4e8e1\uff0c\u5219\u5176\u53d8\u91cf\u7684\u5730\u5740\u5c31\u662f\u5730\u5740\u503c\u6700\u5c0f\u7684\u90a3\u4e2a\u5b57\u8282\u7684\u5730\u5740\u3002<\/span><\/p>\n
    \u56e0\u6b64num\u7684\u5730\u5740\u662f 0028FF40\u3002\u5185\u5b58\u7684\u5730\u5740\u7528\u4e8e\u6807\u8bc6\u8fd9\u4e2a\u5185\u5b58\u5757\u3002<\/p>\n
    \u00a0<\/span><\/p>\n
    5\u3001\u5185\u5b58\u6570\u636e\u7684\u751f\u547d\u5468\u671f<\/span><\/strong><\/p>\n
    \u00a0<\/p>\n
    num\u662fmain\u51fd\u6570\u4e2d\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u56e0\u6b64\u5f53main\u51fd\u6570\u88ab\u542f\u52a8\u65f6\uff0c\u5b83\u88ab\u5206\u914d\u4e8e\u6808\u5185\u5b58\u4e0a\uff0c\u5f53main\u6267\u884c\u7ed3\u675f\u65f6\uff0c\u6d88\u4ea1\u3002<\/span><\/p>\n
    \u00a0\u00a0 \u00a0<\/span><\/p>\n
    \u5982\u679c\u4e00\u4e2a\u6570\u636e\u4e00\u76f4\u5360\u7528\u7740\u4ed6\u7684\u5185\u5b58\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u8bf4\u4ed6\u662f\u201c\u6d3b\u7740\u7684\u201d\uff0c\u5982\u679c\u4ed6\u5360\u7528\u7684\u5185\u5b58\u88ab\u56de\u6536\u4e86\uff0c\u5219\u8fd9\u4e2a\u6570\u636e\u5c31\u201c\u6d88\u4ea1\u4e86\u201d\u3002<\/span><\/p>\n
    C\u8bed\u8a00\u4e2d\u7684\u7a0b\u5e8f\u6570\u636e\u4f1a\u6309\u7167\u4ed6\u4eec\u5b9a\u4e49\u7684\u4f4d\u7f6e\uff0c\u6570\u636e\u7684\u79cd\u7c7b\uff0c\u4fee\u9970\u7684\u5173\u952e\u5b57\u7b49\u56e0\u7d20\uff0c\u51b3\u5b9a\u4ed6\u4eec\u7684\u751f\u547d\u5468\u671f\u7279\u6027\u3002<\/p>\n
    \u5b9e\u8d28\u4e0a\u6211\u4eec\u7a0b\u5e8f\u4f7f\u7528\u7684\u5185\u5b58\u4f1a\u88ab\u903b\u8f91\u4e0a\u5212\u5206\u4e3a\uff1a\u6808\u533a\uff0c\u5806\u533a\uff0c\u9759\u6001\u6570\u636e\u533a\uff0c\u65b9\u6cd5\u533a\u3002<\/p>\n
    \u4e0d\u540c\u7684\u533a\u57df\u7684\u6570\u636e\u6709\u4e0d\u540c\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n
    \u00a0<\/p>\n
    \u65e0\u8bba\u4ee5\u540e\u8ba1\u7b97\u673a\u786c\u4ef6\u5982\u4f55\u53d1\u5c55\uff0c\u5185\u5b58\u5bb9\u91cf\u90fd\u662f\u6709\u9650\u7684\uff0c\u56e0\u6b64\u6e05\u695a\u7406\u89e3\u7a0b\u5e8f\u4e2d\u6bcf\u4e00\u4e2a\u7a0b\u5e8f\u6570\u636e\u7684\u751f\u547d\u5468\u671f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/span><\/p>\n
    \u00a0<\/p>\n
    \n
    \u6307\u9488\u53d8\u91cf\u548c\u6307\u5411\u5173\u7cfb<\/span><\/strong><\/span><\/p>\n<\/section>\n
    \u00a0<\/p>\n
    \u7528\u6765\u4fdd\u5b58\u6307\u9488\u7684\u53d8\u91cf\uff0c\u5c31\u662f\u6307\u9488\u53d8\u91cf\u3002<\/span><\/p>\n
    \u5982\u679c\u6307\u9488\u53d8\u91cfp1\u4fdd\u5b58\u4e86\u53d8\u91cf num\u7684\u5730\u5740\uff0c\u5219\u5c31\u8bf4\uff1ap1\u6307\u5411\u4e86\u53d8\u91cfnum\uff0c\u4e5f\u53ef\u4ee5\u8bf4p1\u6307\u5411\u4e86num\u6240\u5728\u7684\u5185\u5b58\u5757 \uff0c\u8fd9\u79cd\u6307\u5411\u5173\u7cfb\uff0c\u5728\u56fe\u4e2d\u4e00\u822c\u7528 \u7bad\u5934\u8868\u793a\u3002<\/p>\n
    \u00a0<\/span>\"\u5bf9<\/p>\n
    \u00a0<\/p>\n
    \u4e0a\u56fe\u4e2d\uff0c\u6307\u9488\u53d8\u91cfp1\u6307\u5411\u4e86num\u6240\u5728\u7684\u5185\u5b58\u5757 \uff0c\u5373\u4ece\u5730\u57400028FF40\u5f00\u59cb\u76844\u4e2abyte \u7684\u5185\u5b58\u5757\u3002<\/span><\/p>\n
    \u00a0<\/span><\/p>\n
    \u5b9a\u4e49\u6307\u9488\u53d8\u91cf<\/span><\/p>\n
    \u00a0<\/span><\/p>\n
    C\u8bed\u8a00\u4e2d\uff0c\u5b9a\u4e49\u53d8\u91cf\u65f6\uff0c\u5728\u53d8\u91cf\u540d\u524d\u5199\u4e00\u4e2a * \u661f\u53f7\uff0c\u8fd9\u4e2a\u53d8\u91cf\u5c31\u53d8\u6210\u4e86\u5bf9\u5e94\u53d8\u91cf\u7c7b\u578b\u7684\u6307\u9488\u53d8\u91cf\u3002\u5fc5\u8981\u65f6\u8981\u52a0 ( ) \u6765\u907f\u514d\u4f18\u5148\u7ea7\u7684\u95ee\u9898\u3002<\/span><\/p>\n
    \u00a0<\/span><\/p>\n
    \u5f15\u7533\uff1aC\u8bed\u8a00\u4e2d\uff0c\u5b9a\u4e49\u53d8\u91cf\u65f6\uff0c\u5728\u5b9a\u4e49\u7684\u6700\u524d\u9762\u5199\u4e0a typedef \uff0c\u90a3\u4e48\u8fd9\u4e2a\u53d8\u91cf\u540d\u5c31\u6210\u4e86\u4e00\u79cd\u7c7b\u578b\uff0c\u5373\u8fd9\u4e2a\u7c7b\u578b\u7684\u540c\u4e49\u8bcd\u3002<\/span><\/p>\n
    \u00a0<\/p>\n
    \n
      \n
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      int<\/span> a ; \/\/int\u7c7b\u578b\u53d8\u91cf a<\/span><\/span><\/code>int<\/span> *a ; \/\/int* \u53d8\u91cfa<\/span><\/span><\/code>int<\/span> arr[3<\/span>]; \/\/arr\u662f\u5305\u542b3\u4e2aint\u5143\u7d20\u7684\u6570\u7ec4<\/span><\/span><\/code>int<\/span> (* arr )[3<\/span>]; \/\/arr\u662f\u4e00\u4e2a\u6307\u5411\u5305\u542b3\u4e2aint\u5143\u7d20\u7684\u6570\u7ec4\u7684\u6307\u9488\u53d8\u91cf<\/span><\/span><\/code>
      <\/span><\/code>\/\/-----------------\u5404\u79cd\u7c7b\u578b\u7684\u6307\u9488------------------------------<\/span><\/span><\/code>
      <\/span><\/code>int<\/span>\u00a0*p_int;\u00a0\/\/\u6307\u5411int\u7c7b\u578b\u53d8\u91cf\u7684\u6307\u9488\u00a0<\/span><\/span><\/code>
      <\/span><\/code>double<\/span> *p_double;\u00a0\/\/\u6307\u5411idouble\u7c7b\u578b\u53d8\u91cf\u7684\u6307\u9488\u00a0<\/span><\/span><\/code>
      <\/span><\/code>struct<\/span> Student<\/span> *p_struct<\/span>;<\/span> \/\/\u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u6307\u9488<\/span><\/span><\/code>
      <\/span><\/code>int<\/span>(*p_func)(int<\/span>,int<\/span>); \/\/\u6307\u5411\u8fd4\u56de\u7c7b\u578b\u4e3aint\uff0c\u67092\u4e2aint\u5f62\u53c2\u7684\u51fd\u6570\u7684\u6307\u9488 <\/span><\/span><\/code>
      <\/span><\/code>int<\/span>(*p_arr)[3<\/span>]; \/\/\u6307\u5411\u542b\u67093\u4e2aint\u5143\u7d20\u7684\u6570\u7ec4\u7684\u6307\u9488 <\/span><\/span><\/code>
      <\/span><\/code>int<\/span> **p_pointer; \/\/\u6307\u5411 \u4e00\u4e2a\u6574\u5f62\u53d8\u91cf\u6307\u9488\u7684\u6307\u9488<\/span><\/span><\/code><\/pre>\n<\/section>\n
      \u00a0<\/span><\/strong><\/span><\/p>\n
      \u53d6\u5730\u5740<\/span><\/strong><\/span><\/p>\n
      \u00a0<\/p>\n
      \u65e2\u7136\u6709\u4e86\u6307\u9488\u53d8\u91cf\uff0c\u90a3\u5c31\u5f97\u8ba9\u4ed6\u4fdd\u5b58\u5176\u5b83\u53d8\u91cf\u7684\u5730\u5740\uff0c\u4f7f\u7528& \u8fd0\u7b97\u7b26\u53d6\u5f97\u4e00\u4e2a\u53d8\u91cf\u7684\u5730\u5740\u3002<\/span><\/p>\n
      \u00a0<\/p>\n
      \n
        \n
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      • \u00a0<\/li>\n<\/ul>\n
        int<\/span> add<\/span>(int<\/span> a , int<\/span> b<\/span>)<\/span><\/code>{<\/span><\/code>    return<\/span> a + b;<\/span><\/code>}<\/span><\/code>
        <\/span><\/code>int<\/span> main<\/span>(void<\/span>)<\/span><\/code>{<\/span><\/code>    int<\/span> num = 97<\/span>;<\/span><\/code>    float<\/span> score = 10.00F<\/span>;<\/span><\/code>    int<\/span> arr[3<\/span>] = {1<\/span>,2<\/span>,3<\/span>};<\/span><\/code>
        <\/span><\/code>    \/\/-----------------------<\/span><\/span><\/code>
        <\/span><\/code>    int<\/span>* p_num = &num;<\/span><\/code>    float<\/span>* p_score = &score;<\/span><\/code>    int<\/span> (*p_arr)[3<\/span>] = &arr;           <\/span><\/code>    int<\/span> (*fp_add)(int<\/span> ,int<\/span> )  = add<\/span>;  \/\/p_add\u662f\u6307\u5411\u51fd\u6570add\u7684\u51fd\u6570\u6307\u9488<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
        \u00a0<\/span><\/p>\n
        \u7279\u6b8a\u7684\u60c5\u51b5\uff0c\u4ed6\u4eec\u5e76\u4e0d\u4e00\u5b9a\u9700\u8981\u4f7f\u7528&\u53d6\u5730\u5740\uff1a<\/span><\/p>\n
        \u00a0<\/p>\n
          \n
        • \n
          \u6570\u7ec4\u540d\u7684\u503c\u5c31\u662f\u8fd9\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\u3002<\/span><\/p>\n<\/li>\n
        • \n
          \u51fd\u6570\u540d\u7684\u503c\u5c31\u662f\u8fd9\u4e2a\u51fd\u6570\u7684\u5730\u5740\u3002<\/span><\/p>\n<\/li>\n
        • \n
          \u5b57\u7b26\u4e32\u5b57\u9762\u503c\u5e38\u91cf\u4f5c\u4e3a\u53f3\u503c\u65f6\uff0c\u5c31\u662f\u8fd9\u4e2a\u5b57\u7b26\u4e32\u5bf9\u5e94\u7684\u5b57\u7b26\u6570\u7ec4\u7684\u540d\u79f0,\u4e5f\u5c31\u662f\u8fd9\u4e2a\u5b57\u7b26\u4e32\u5728\u5185\u5b58\u4e2d\u7684\u5730\u5740\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n
          \u00a0<\/p>\n
          \n
            \n
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            int<\/span> add<\/span>(int<\/span> a , int<\/span> b<\/span>)<\/span>{<\/span><\/code>    return<\/span> a + b;<\/span><\/code>}<\/span><\/code>int<\/span> main<\/span>(void<\/span>)<\/span><\/code>{<\/span><\/code>    int<\/span> arr[3<\/span>] = {1<\/span>,2<\/span>,3<\/span>};<\/span><\/code>    \/\/-----------------------<\/span><\/span><\/code>    int<\/span>* p_first = arr;<\/span><\/code>    int<\/span> (*fp_add)(int<\/span> ,int<\/span> )  =  add<\/span>;<\/span><\/code>    const<\/span> char<\/span>* msg = \"Hello world\"<\/span>;<\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
            \u00a0<\/span><\/p>\n
            \u89e3\u5730\u5740<\/span><\/strong><\/span><\/p>\n
            \u00a0<\/p>\n
            \u6211\u4eec\u9700\u8981\u4e00\u4e2a\u6570\u636e\u7684\u6307\u9488\u53d8\u91cf\u5e72\u4ec0\u4e48\uff1f<\/span><\/p>\n
            \u5f53\u7136\u4f7f\u7528\u901a\u8fc7\u5b83\u6765\u64cd\u4f5c\uff08\u8bfb\/\u5199\uff09\u5b83\u6307\u5411\u7684\u6570\u636e\u5566\u3002<\/p>\n
            \u5bf9\u4e00\u4e2a\u6307\u9488\u89e3\u5730\u5740\uff0c\u5c31\u53ef\u4ee5\u53d6\u5230\u8fd9\u4e2a\u5185\u5b58\u6570\u636e\uff0c\u89e3\u5730\u5740\u7684\u5199\u6cd5\uff0c\u5c31\u662f\u5728\u6307\u9488\u7684\u524d\u9762\u52a0\u4e00\u4e2a*\u53f7\u3002<\/p>\n
            \u00a0<\/p>\n
            \u89e3\u6307\u9488\u7684\u5b9e\u8d28\u662f\uff1a\u4ece\u6307\u9488\u6307\u5411\u7684\u5185\u5b58\u5757\u4e2d\u53d6\u51fa\u8fd9\u4e2a\u5185\u5b58\u6570\u636e\u3002<\/span><\/p>\n
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            \n
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            • \u00a0<\/li>\n<\/ul>\n
              int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> age = 19<\/span>;<\/span><\/code>    int<\/span>*p_age = &age;<\/span><\/code>    *p_age  = 20<\/span>;  \/\/<\/span>\u901a\u8fc7\u6307\u9488\u4fee\u6539\u6307\u5411\u7684\u5185\u5b58\u6570\u636e<\/span><\/code>
              <\/span><\/code>    printf<\/span>(\"age = %d<\/span><\/span><\/code>\"<\/span>,*p_age);   \/\/<\/span>\u901a\u8fc7\u6307\u9488\u8bfb\u53d6\u6307\u5411\u7684\u5185\u5b58\u6570\u636e<\/span><\/code>    printf<\/span>(\"age = %d<\/span><\/span><\/code>\"<\/span>,age);<\/span><\/code>
              <\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
              \u00a0<\/span><\/strong><\/span><\/p>\n
              \u6307\u9488\u4e4b\u95f4\u7684\u8d4b\u503c<\/span><\/strong><\/span><\/p>\n
              \u00a0<\/p>\n
              \u6307\u9488\u8d4b\u503c\u548cint\u53d8\u91cf\u8d4b\u503c\u4e00\u6837\uff0c\u5c31\u662f\u5c06\u5730\u5740\u7684\u503c\u62f7\u8d1d\u7ed9\u53e6\u5916\u4e00\u4e2a\u3002<\/span><\/p>\n
              \u6307\u9488\u4e4b\u95f4\u7684\u8d4b\u503c\u662f\u4e00\u79cd\u6d45\u62f7\u8d1d\uff0c\u662f\u5728\u591a\u4e2a\u7f16\u7a0b\u5355\u5143\u4e4b\u95f4\u5171\u4eab\u5185\u5b58\u6570\u636e\u7684\u9ad8\u6548\u7684\u65b9\u6cd5\u3002<\/p>\n
              \u00a0<\/p>\n
              \u00a0<\/p>\n
              \n
                \n
              • \u00a0<\/li>\n
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              • \u00a0<\/li>\n
              • \u00a0<\/li>\n<\/ul>\n
                int<\/span>\u00a0*p1\u00a0\u00a0=\u00a0&\u00a0num;<\/span><\/code>int<\/span>\u00a0*p3\u00a0=\u00a0p1;<\/span><\/code>
                <\/span><\/code>\/\/\u901a\u8fc7\u6307\u9488 p1 \u3001 p3 \u90fd\u53ef\u4ee5\u5bf9\u5185\u5b58\u6570\u636e num \u8fdb\u884c\u8bfb\u5199\uff0c\u5982\u679c2\u4e2a\u51fd\u6570\u5206\u522b\u4f7f\u7528\u4e86p1 \u548cp3\uff0c\u90a3\u4e48\u8fd92\u4e2a\u51fd\u6570\u5c31\u5171\u4eab\u4e86\u6570\u636enum\u3002<\/span><\/span><\/code><\/pre>\n<\/section>\n
                \u00a0<\/p>\n
                \"\u5bf9<\/p>\n
                \u00a0<\/span><\/p>\n
                \u7a7a\u6307\u9488<\/span><\/strong><\/p>\n
                \u00a0<\/p>\n
                \u6307\u5411\u7a7a\uff0c\u6216\u8005\u8bf4\u4e0d\u6307\u5411\u4efb\u4f55\u4e1c\u897f\u3002<\/span><\/p>\n
                \u5728C\u8bed\u8a00\u4e2d\uff0c\u6211\u4eec\u8ba9\u6307\u9488\u53d8\u91cf\u8d4b\u503c\u4e3aNULL\u8868\u793a\u4e00\u4e2a\u7a7a\u6307\u9488\uff0c\u800cC\u8bed\u8a00\u4e2d\uff0cNULL\u5b9e\u8d28\u662f ((void*)0) \uff0c \u00a0\u5728C++\u4e2d\uff0cNULL\u5b9e\u8d28\u662f0\u3002<\/p>\n
                \u00a0<\/p>\n
                \u6362\u79cd\u8bf4\u6cd5\uff1a\u4efb\u4f55\u7a0b\u5e8f\u6570\u636e\u90fd\u4e0d\u4f1a\u5b58\u50a8\u5728\u5730\u5740\u4e3a0\u7684\u5185\u5b58\u5757\u4e2d\uff0c\u5b83\u662f\u88ab\u64cd\u4f5c\u7cfb\u7edf\u9884\u7559\u7684\u5185\u5b58\u5757\u3002<\/span><\/p>\n
                \u00a0<\/span><\/p>\n
                \u4e0b\u9762\u4ee3\u7801\u6458\u81ea stdlib.h<\/span><\/p>\n
                \u00a0<\/p>\n
                \n
                  \n
                • \u00a0<\/li>\n
                • \u00a0<\/li>\n
                • \u00a0<\/li>\n
                • \u00a0<\/li>\n
                • \u00a0<\/li>\n<\/ul>\n
                  #ifdef<\/span> __cplusplus<\/span><\/code>     #define<\/span> NULL    0<\/span><\/span><\/code>#else<\/span>    <\/span><\/code>     #define<\/span> NULL    ((void *)0)<\/span><\/span><\/code>#endif<\/span><\/span><\/code><\/pre>\n<\/section>\n
                  \u00a0<\/span><\/p>\n
                  \u574f\u6307\u9488<\/span><\/p>\n
                  \u00a0<\/span><\/p>\n
                  \u6307\u9488\u53d8\u91cf\u7684\u503c\u662fNULL\uff0c\u6216\u8005\u672a\u77e5\u7684\u5730\u5740\u503c\uff0c\u6216\u8005\u662f\u5f53\u524d\u5e94\u7528\u7a0b\u5e8f\u4e0d\u53ef\u8bbf\u95ee\u7684\u5730\u5740\u503c\uff0c\u8fd9\u6837\u7684\u6307\u9488\u5c31\u662f\u574f\u6307\u9488\u3002<\/span><\/p>\n
                  \u4e0d\u80fd\u5bf9\u4ed6\u4eec\u505a\u89e3\u6307\u9488\u64cd\u4f5c\uff0c\u5426\u5219\u7a0b\u5e8f\u4f1a\u51fa\u73b0\u8fd0\u884c\u65f6\u9519\u8bef\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u610f\u5916\u7ec8\u6b62\u3002<\/p>\n
                  \u00a0<\/p>\n
                  \u4efb\u4f55\u4e00\u4e2a\u6307\u9488\u53d8\u91cf\u5728\u505a\u89e3\u5730\u5740\u64cd\u4f5c\u524d\uff0c\u90fd\u5fc5\u987b\u4fdd\u8bc1\u5b83\u6307\u5411\u7684\u662f\u6709\u6548\u7684\uff0c\u53ef\u7528\u7684\u5185\u5b58\u5757\uff0c\u5426\u5219\u5c31\u4f1a\u51fa\u9519\u3002<\/span><\/p>\n
                  \u574f\u6307\u9488\u662f\u9020\u6210C\u8bed\u8a00Bug\u7684\u6700\u9891\u7e41\u7684\u539f\u56e0\u4e4b\u4e00\u3002<\/p>\n
                  \u00a0<\/p>\n

                  <\/span><\/span>\u4e0b\u9762\u7684\u4ee3\u7801\u5c31\u662f\u9519\u8bef\u7684\u793a\u4f8b\u3002<\/span><\/p>\n
                  \n
                    \n
                  • \u00a0<\/li>\n
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                  • \u00a0<\/li>\n
                  • \u00a0<\/li>\n<\/ul>\n
                    void<\/span>\u00a0opp<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>     int<\/span> *p = NULL<\/span>;<\/span><\/code>     *p = 10<\/span>;      \/\/Oops! \u4e0d\u80fd\u5bf9NULL\u89e3\u5730\u5740<\/span><\/span><\/code>}<\/span><\/code>
                    <\/span><\/code>void<\/span> foo<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>     int<\/span> *p;<\/span><\/code>     *p = 10<\/span>;      \/\/Oops! \u4e0d\u80fd\u5bf9\u4e00\u4e2a\u672a\u77e5\u7684\u5730\u5740\u89e3\u5730\u5740<\/span><\/span><\/code>}<\/span><\/code>
                    <\/span><\/code>void<\/span> bar<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>     int<\/span> *p = (int<\/span>*)1000<\/span>; <\/span><\/code>     *p =10<\/span>;      \/\/Oops!   \u4e0d\u80fd\u5bf9\u4e00\u4e2a\u53ef\u80fd\u4e0d\u5c5e\u4e8e\u672c\u7a0b\u5e8f\u7684\u5185\u5b58\u7684\u5730\u5740\u7684\u6307\u9488\u89e3\u5730\u5740<\/span><\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                    \u00a0<\/p>\n
                    \u00a0<\/p>\n
                    \n
                    \u6307\u9488\u76842\u4e2a\u91cd\u8981\u5c5e\u6027<\/span><\/strong><\/span><\/p>\n<\/section>\n
                    \u00a0<\/p>\n
                    \u6307\u9488\u4e5f\u662f\u4e00\u79cd\u6570\u636e\uff0c\u6307\u9488\u53d8\u91cf\u4e5f\u662f\u4e00\u79cd\u53d8\u91cf\uff0c\u56e0\u6b64\u6307\u9488 \u8fd9\u79cd\u6570\u636e\u4e5f\u7b26\u5408\u524d\u9762\u53d8\u91cf\u548c\u5185\u5b58\u4e3b\u9898\u4e2d\u7684\u7279\u6027\u3002<\/span><\/p>\n
                    \u8fd9\u91cc\u8981\u5f3a\u8c032\u4e2a\u5c5e\u6027\uff1a\u6307\u9488\u7684\u7c7b\u578b\uff0c\u6307\u9488\u7684\u503c\u3002<\/p>\n
                    \u00a0<\/p>\n
                    \n
                      \n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
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                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n
                    • \u00a0<\/li>\n<\/ul>\n
                      int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> num = 97<\/span>;<\/span><\/code>    int<\/span> *p1  = &num;<\/span><\/code>\u00a0\u00a0\u00a0\u00a0char\u00a0*p2\u00a0=\u00a0(char*)(&num);<\/span><\/code>
                      <\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"%d\"<\/span>,*p1);\u00a0\u00a0 \u00a0\u00a0\/\/<\/span>\u8f93\u51fa\u00a0\u00a097<\/span><\/span><\/code>\u00a0\u00a0\u00a0\u00a0putchar(*p2);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/<\/span>\u8f93\u51fa\u00a0\u00a0a<\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                      \u00a0<\/span><\/p>\n
                      \u6307\u9488\u7684\u503c\uff1a\u5f88\u597d\u7406\u89e3\uff0c\u5982\u4e0a\u9762\u7684num \u53d8\u91cf \uff0c\u5176\u5730\u5740\u7684\u503c\u5c31\u662f0028FF40 \uff0c\u56e0\u6b64 p1\u7684\u503c\u5c31\u662f0028FF40\u3002<\/span><\/p>\n
                      \u6570\u636e\u7684\u5730\u5740\u7528\u4e8e\u5728\u5185\u5b58\u4e2d\u5b9a\u4f4d\u548c\u6807\u8bc6\u8fd9\u4e2a\u6570\u636e\uff0c\u56e0\u4e3a\u4efb\u4f552\u4e2a\u5185\u5b58\u4e0d\u91cd\u53e0\u7684\u4e0d\u540c\u6570\u636e\u7684\u5730\u5740\u90fd\u662f\u4e0d\u540c\u7684\u3002<\/p>\n
                      \u00a0<\/p>\n
                      \u6307\u9488\u7684\u7c7b\u578b\uff1a\u6307\u9488\u7684\u7c7b\u578b\u51b3\u5b9a\u4e86\u8fd9\u4e2a\u6307\u9488\u6307\u5411\u7684\u5185\u5b58\u7684\u5b57\u8282\u6570\u5e76\u5982\u4f55\u89e3\u91ca\u8fd9\u4e9b\u5b57\u8282\u4fe1\u606f\u3002<\/span><\/p>\n
                      \u4e00\u822c\u6307\u9488\u53d8\u91cf\u7684\u7c7b\u578b\u8981\u548c\u5b83\u6307\u5411\u7684\u6570\u636e\u7684\u7c7b\u578b\u5339\u914d\u3002<\/p>\n
                      \u00a0<\/span><\/p>\n
                      \u7531\u4e8enum\u7684\u5730\u5740\u662f0028FF40\uff0c\u56e0\u6b64 p1 \u548c p2 \u7684\u503c\u90fd\u662f0028FF40<\/span><\/p>\n
                      \u00a0<\/p>\n
                      *p1 \u00a0: \u00a0\u5c06\u4ece\u5730\u57400028FF40 \u5f00\u59cb\u89e3\u6790\uff0c\u56e0\u4e3ap1\u662fint\u7c7b\u578b\u6307\u9488\uff0cint\u53604\u5b57\u8282\uff0c\u56e0\u6b64\u5411\u540e\u8fde\u7eed\u53d64\u4e2a\u5b57\u8282\uff0c\u5e76\u5c06\u8fd94\u4e2a\u5b57\u8282\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u89e3\u6790\u4e3a\u4e00\u4e2a\u6574\u6570 97\u3002<\/span><\/p>\n
                      \u00a0<\/p>\n
                      *p2 \u00a0: \u00a0\u5c06\u4ece\u5730\u57400028FF40 \u5f00\u59cb\u89e3\u6790\uff0c\u56e0\u4e3ap2\u662fchar\u7c7b\u578b\u6307\u9488\uff0cchar\u53601\u5b57\u8282\uff0c\u56e0\u6b64\u5411\u540e\u8fde\u7eed\u53d61\u4e2a\u5b57\u8282\uff0c\u5e76\u5c06\u8fd91\u4e2a\u5b57\u8282\u7684\u4e8c\u8fdb\u5236\u6570\u636e\u89e3\u6790\u4e3a\u4e00\u4e2a\u5b57\u7b26\uff0c\u5373’a’\u3002<\/span><\/p>\n
                      \u00a0<\/span><\/p>\n
                      \u540c\u6837\u7684\u5730\u5740\uff0c\u56e0\u4e3a\u6307\u9488\u7684\u7c7b\u578b\u4e0d\u540c\uff0c\u5bf9\u5b83\u6307\u5411\u7684\u5185\u5b58\u7684\u89e3\u91ca\u5c31\u4e0d\u540c\uff0c\u5f97\u5230\u7684\u5c31\u662f\u4e0d\u540c\u7684\u6570\u636e\u3002<\/span><\/p>\n
                      \u00a0<\/span><\/p>\n
                      void*\u7c7b\u578b\u6307\u9488\u00a0<\/span><\/p>\n
                      \u00a0<\/p>\n
                      \u7531\u4e8evoid\u662f\u7a7a\u7c7b\u578b\uff0c\u56e0\u6b64void*\u7c7b\u578b\u7684\u6307\u9488\u53ea\u4fdd\u5b58\u4e86\u6307\u9488\u7684\u503c\uff0c\u800c\u4e22\u5931\u4e86\u7c7b\u578b\u4fe1\u606f\uff0c\u6211\u4eec\u4e0d\u77e5\u9053\u4ed6\u6307\u5411\u7684\u6570\u636e\u662f\u4ec0\u4e48\u7c7b\u578b\u7684\uff0c\u53ea\u6307\u5b9a\u8fd9\u4e2a\u6570\u636e\u5728\u5185\u5b58\u4e2d\u7684\u8d77\u59cb\u5730\u5740\u3002<\/span><\/p>\n
                      \u5982\u679c\u60f3\u8981\u5b8c\u6574\u7684\u63d0\u53d6\u6307\u5411\u7684\u6570\u636e\uff0c\u7a0b\u5e8f\u5458\u5c31\u5fc5\u987b\u5bf9\u8fd9\u4e2a\u6307\u9488\u505a\u51fa\u6b63\u786e\u7684\u7c7b\u578b\u8f6c\u6362\uff0c\u7136\u540e\u518d\u89e3\u6307\u9488\u3002<\/p>\n
                      \u56e0\u4e3a\uff0c\u7f16\u8bd1\u5668\u4e0d\u5141\u8bb8\u76f4\u63a5\u5bf9void*\u7c7b\u578b\u7684\u6307\u9488\u505a\u89e3\u6307\u9488\u64cd\u4f5c\u3002<\/p>\n
                      \u00a0<\/p>\n
                      \n
                      \u7ed3\u6784\u4f53\u548c\u6307\u9488<\/span><\/strong><\/span><\/p>\n<\/section>\n
                      \u00a0<\/p>\n
                      \u7ed3\u6784\u4f53\u6307\u9488\u6709\u7279\u6b8a\u7684\u8bed\u6cd5\uff1a-> \u7b26\u53f7<\/span><\/p>\n
                      \u5982\u679cp\u662f\u4e00\u4e2a\u7ed3\u6784\u4f53\u6307\u9488\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 p ->\u3010\u6210\u5458\u3011 \u7684\u65b9\u6cd5\u8bbf\u95ee\u7ed3\u6784\u4f53\u7684\u6210\u5458<\/span><\/p>\n
                      \u00a0<\/p>\n
                      \n
                        \n
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                      • \u00a0<\/li>\n
                      • \u00a0<\/li>\n<\/ul>\n
                        typedef struct<\/span><\/code>{<\/span><\/code>    char name[31<\/span>];<\/span><\/code>    int<\/span> age;<\/span><\/code>    float score;<\/span><\/code>}Student;<\/span><\/code>
                        <\/span><\/code>int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    Student stu = {\"Bob\"<\/span> , 19<\/span>, 98.0<\/span>};<\/span><\/code>    Student*ps = &stu;<\/span><\/code>
                        <\/span><\/code>    ps->age = 20<\/span>;<\/span><\/code>    ps->score = 99.0<\/span>;<\/span><\/code>    printf<\/span>(\"name:%s age:%d<\/span><\/span><\/code>\"<\/span>,ps->name,ps->age);<\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                        \u00a0<\/p>\n
                        \n
                        \u6570\u7ec4\u548c\u6307\u9488<\/span><\/strong><\/span><\/p>\n<\/section>\n
                        \u00a0<\/p>\n
                        1\u3001\u6570\u7ec4\u540d\u4f5c\u4e3a\u53f3\u503c\u7684\u65f6\u5019\uff0c\u5c31\u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740\u3002<\/span><\/p>\n
                        \u00a0<\/p>\n
                        \n
                          \n
                        • \u00a0<\/li>\n
                        • \u00a0<\/li>\n
                        • \u00a0<\/li>\n
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                        • \u00a0<\/li>\n
                        • \u00a0<\/li>\n<\/ul>\n
                          int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> arr[3<\/span>] = {1<\/span>,2<\/span>,3<\/span>};<\/span><\/code>
                          <\/span><\/code>    int<\/span> *p_first = arr;<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"%d\"<\/span>,*p_first);\u00a0\u00a0\/\/<\/span>1<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                          \u00a0<\/span><\/p>\n
                          2\u3001\u6307\u5411\u6570\u7ec4\u5143\u7d20\u7684\u6307\u9488 \u652f\u6301 \u9012\u589e \u9012\u51cf \u8fd0\u7b97\u3002
                          \uff08\u5b9e\u8d28\u4e0a\u6240\u6709\u6307\u9488\u90fd\u652f\u6301\u9012\u589e\u9012\u51cf \u8fd0\u7b97 \uff0c\u4f46\u53ea\u6709\u5728\u6570\u7ec4\u4e2d\u4f7f\u7528\u624d\u662f\u6709\u610f\u4e49\u7684\uff09<\/span><\/p>\n
                          \u00a0<\/p>\n
                          \n
                            \n
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                            int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> arr[3<\/span>] = {1<\/span>,2<\/span>,3<\/span>};<\/span><\/code>
                            <\/span><\/code>    int<\/span> *p = arr;<\/span><\/code>    for<\/span>(;p!=arr+3<\/span>;p++){<\/span><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"%d\"<\/span>,*p);\u00a0<\/span><\/code>    }<\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                            \u00a0<\/p>\n
                            3\u3001p= p+1 \u610f\u601d\u662f\uff0c\u8ba9p\u6307\u5411\u539f\u6765\u6307\u5411\u7684\u5185\u5b58\u5757\u7684\u4e0b\u4e00\u4e2a\u76f8\u90bb\u7684\u76f8\u540c\u7c7b\u578b\u7684\u5185\u5b58\u5757\u3002<\/span><\/p>\n
                            \u00a0<\/p>\n
                            \u540c\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u5143\u7d20\u7684\u6307\u9488\u4e4b\u95f4\u53ef\u4ee5\u505a\u51cf\u6cd5\u8fd0\u7b97\uff0c\u6b64\u65f6\uff0c\u6307\u9488\u4e4b\u5dee\u7b49\u4e8e\u4e0b\u6807\u4e4b\u5dee\u3002<\/span><\/p>\n
                            \u00a0<\/span><\/p>\n
                            4\u3001p[n] \u00a0 \u00a0== *(p+n)<\/span><\/p>\n
                            \u00a0 \u00a0 \u00a0p[n][m] \u00a0== *( \u00a0*(p+n)+ m )<\/span><\/p>\n
                            \u00a0<\/span><\/p>\n
                            5\u3001\u5f53\u5bf9\u6570\u7ec4\u540d\u4f7f\u7528sizeof\u65f6\uff0c\u8fd4\u56de\u7684\u662f\u6574\u4e2a\u6570\u7ec4\u5360\u7528\u7684\u5185\u5b58\u5b57\u8282\u6570\u3002\u5f53\u628a\u6570\u7ec4\u540d\u8d4b\u503c\u7ed9\u4e00\u4e2a\u6307\u9488\u540e\uff0c\u518d\u5bf9\u6307\u9488\u4f7f\u7528sizeof\u8fd0\u7b97\u7b26\uff0c\u8fd4\u56de\u7684\u662f\u6307\u9488\u7684\u5927\u5c0f\u3002<\/span><\/p>\n
                            \u00a0<\/span><\/p>\n
                            \u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5c06\u4e00\u4e2a\u6570\u7ec4\u4f20\u9012\u7ed9\u4e00\u4e2a\u51fd\u6570\u65f6\uff0c\u9700\u8981\u53e6\u5916\u7528\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u7684\u539f\u56e0\u4e86\u3002<\/span><\/p>\n
                            \u00a0<\/p>\n
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                              int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> arr[3<\/span>] = {1<\/span>,2<\/span>,3<\/span>};<\/span><\/code>
                              <\/span><\/code>    int<\/span> *p = arr;<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"sizeof(arr)=%d\"<\/span>,sizeof(arr));\u00a0\u00a0\/\/sizeof<\/span>(arr)=12<\/span><\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"sizeof(p)=%d\"<\/span>,sizeof(p));\u00a0\u00a0\u00a0\/\/sizeof<\/span>(p)=4<\/span><\/span><\/code>
                              <\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                              \u00a0<\/p>\n
                              \n
                              \u51fd\u6570\u548c\u6307\u9488<\/span><\/strong><\/p>\n<\/section>\n
                              \u00a0<\/p>\n
                              \u51fd\u6570\u7684\u53c2\u6570\u548c\u6307\u9488
                              <\/span><\/p>\n
                              \u00a0<\/p>\n
                              C\u8bed\u8a00\u4e2d\uff0c\u5b9e\u53c2\u4f20\u9012\u7ed9\u5f62\u53c2\uff0c\u662f\u6309\u503c\u4f20\u9012\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u51fd\u6570\u4e2d\u7684\u5f62\u53c2\u662f\u5b9e\u53c2\u7684\u62f7\u8d1d\u4efd\uff0c\u5f62\u53c2\u548c\u5b9e\u53c2\u53ea\u662f\u5728\u503c\u4e0a\u9762\u4e00\u6837\uff0c\u800c\u4e0d\u662f\u540c\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5bf9\u8c61\u3002<\/span><\/p>\n
                              \u8fd9\u5c31\u610f\u5473\u7740\uff1a\u8fd9\u79cd\u6570\u636e\u4f20\u9012\u662f\u5355\u5411\u7684\uff0c\u5373\u4ece\u8c03\u7528\u8005\u4f20\u9012\u7ed9\u88ab\u8c03\u51fd\u6570\uff0c\u800c\u88ab\u8c03\u51fd\u6570\u65e0\u6cd5\u4fee\u6539\u4f20\u9012\u7684\u53c2\u6570\u8fbe\u5230\u56de\u4f20\u7684\u6548\u679c\u3002<\/p>\n
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                                void change(int<\/span> a)<\/span><\/code>{<\/span><\/code>    a++;      \/\/<\/span>\u5728\u51fd\u6570\u4e2d\u6539\u53d8\u7684\u53ea\u662f\u8fd9\u4e2a\u51fd\u6570\u7684\u5c40\u90e8\u53d8\u91cfa\uff0c\u800c\u968f\u7740\u51fd\u6570\u6267\u884c\u7ed3\u675f\uff0ca\u88ab\u9500\u6bc1\u3002age\u8fd8\u662f\u539f\u6765\u7684age\uff0c\u7eb9\u4e1d\u4e0d\u52a8\u3002<\/span><\/code>}<\/span><\/code>int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> age = 19<\/span>;<\/span><\/code>    change(age);<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"age\u00a0=\u00a0%d\"<\/span>,age);\u00a0\u00a0\u00a0\/\/<\/span>\u00a0age\u00a0=\u00a019<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                \u00a0<\/span><\/p>\n
                                \u6709\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6765\u56de\u4f20\u6570\u636e\uff0c\u5728\u7b80\u5355\u7684\u60c5\u51b5\u4e0b\u662f\u53ef\u4ee5\u7684\u3002<\/span><\/p>\n
                                \u4f46\u662f\u5982\u679c\u8fd4\u56de\u503c\u6709\u5176\u5b83\u7528\u9014\uff08\u4f8b\u5982\u8fd4\u56de\u51fd\u6570\u7684\u6267\u884c\u72b6\u6001\u91cf\uff09\uff0c\u6216\u8005\u8981\u56de\u4f20\u7684\u6570\u636e\u4e0d\u6b62\u4e00\u4e2a\uff0c\u8fd4\u56de\u503c\u5c31\u89e3\u51b3\u4e0d\u4e86\u4e86\u3002<\/p>\n
                                \u00a0<\/span><\/p>\n
                                \u4f20\u9012\u53d8\u91cf\u7684\u6307\u9488\u53ef\u4ee5\u8f7b\u677e\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u3002<\/span><\/p>\n
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                                  void\u00a0change(int<\/span>\u00a0*pa)<\/span><\/code>{<\/span><\/code>    (*pa)++;   \/\/<\/span>\u56e0\u4e3a\u4f20\u9012\u7684\u662fage\u7684\u5730\u5740\uff0c\u56e0\u6b64pa\u6307\u5411\u5185\u5b58\u6570\u636eage\u3002\u5f53\u5728\u51fd\u6570\u4e2d\u5bf9\u6307\u9488pa\u89e3\u5730\u5740\u65f6\uff0c<\/span><\/code>               \/\/\u4f1a\u76f4\u63a5\u53bb\u5185\u5b58\u4e2d\u627e\u5230age\u8fd9\u4e2a\u6570\u636e\uff0c\u7136\u540e\u628a\u5b83\u589e1<\/span>\u3002<\/span><\/code>}<\/span><\/code>int<\/span> main(void)<\/span><\/code>{<\/span><\/code>    int<\/span> age = 19<\/span>;<\/span><\/code>    change(&age);<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf<\/span>(\"age\u00a0=\u00a0%d\"<\/span>,age);\u00a0\u00a0\u00a0\/\/<\/span>\u00a0age\u00a0=\u00a020<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                  \u00a0<\/span><\/p>\n
                                  \u518d\u6765\u4e00\u4e2a\u8001\u751f\u5e38\u8c08\u7684\uff0c\u7528\u51fd\u6570\u4ea4\u63622\u4e2a\u53d8\u91cf\u7684\u503c\u7684\u4f8b\u5b50\uff1a<\/span><\/p>\n
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                                    #include<\/span> <stdio.h><\/span><\/span><\/span><\/code>
                                    <\/span><\/code>void<\/span> swap_bad<\/span>(int<\/span> a,int<\/span> b)<\/span><\/span>;<\/span><\/code>void<\/span> swap_ok<\/span>(int<\/span>*pa,int<\/span>*pb)<\/span><\/span>;<\/span><\/code>
                                    <\/span><\/code>int<\/span> main<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>    int<\/span> a = 5<\/span>;<\/span><\/code>    int<\/span> b = 3<\/span>;<\/span><\/code>    swap_bad(a,b);       \/\/Can`t swap;<\/span><\/span><\/code>    swap_ok(&a,&b);      \/\/OK<\/span><\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>}<\/span><\/code>
                                    <\/span><\/code>\/\/\u9519\u8bef\u7684\u5199\u6cd5<\/span><\/span><\/code>void<\/span> swap_bad<\/span>(int<\/span> a,int<\/span> b)<\/span><\/span><\/span><\/code>{<\/span><\/code>    int<\/span> t;<\/span><\/code>    t=a;<\/span><\/code>    a=b;<\/span><\/code>    b=t;<\/span><\/code>}<\/span><\/code>
                                    <\/span><\/code>\/\/\u6b63\u786e\u7684\u5199\u6cd5\uff1a\u901a\u8fc7\u6307\u9488<\/span><\/span><\/code>void<\/span> swap_ok<\/span>(int<\/span>*pa,int<\/span>*pb)<\/span><\/span><\/span><\/code>{<\/span><\/code>    int<\/span> t;<\/span><\/code>    t = *pa;<\/span><\/code>    *pa = *pb;<\/span><\/code>    *pb = t;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                    \u00a0<\/span><\/p>\n
                                    \"\u5bf9<\/p>\n
                                    \"\u5bf9<\/p>\n
                                    \u00a0<\/span><\/p>\n
                                    \u6709\u7684\u65f6\u5019\uff0c\u6211\u4eec\u901a\u8fc7\u6307\u9488\u4f20\u9012\u6570\u636e\u7ed9\u51fd\u6570\u4e0d\u662f\u4e3a\u4e86\u5728\u51fd\u6570\u4e2d\u6539\u53d8\u4ed6\u6307\u5411\u7684\u5bf9\u8c61\u3002<\/span><\/p>\n
                                    \u76f8\u53cd\uff0c\u6211\u4eec\u9632\u6b62\u8fd9\u4e2a\u76ee\u6807\u6570\u636e\u88ab\u6539\u53d8\u3002\u4f20\u9012\u6307\u9488\u53ea\u662f\u4e3a\u4e86\u907f\u514d\u62f7\u8d1d\u5927\u578b\u6570\u636e\u3002<\/p>\n
                                    \u00a0<\/p>\n
                                    \u8003\u8651\u4e00\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578bStudent\u3002\u6211\u4eec\u901a\u8fc7show\u51fd\u6570\u8f93\u51faStudent\u53d8\u91cf\u7684\u6570\u636e\u3002<\/span><\/p>\n
                                    \u00a0<\/span><\/p>\n
                                    \n
                                      \n
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                                      typedef struct<\/span><\/code>{<\/span><\/code>    char name[31<\/span>];<\/span><\/code>    int age;<\/span><\/code>    float score;<\/span><\/code>}Student;<\/span><\/code>
                                      <\/span><\/code>
                                      <\/span><\/code>\/\/\u6253\u5370Student\u53d8\u91cf\u4fe1\u606f<\/span><\/span><\/code>void show(const<\/span> Student * ps)<\/span><\/code>{<\/span><\/code>\u00a0\u00a0\u00a0\u00a0printf(\"name:%s\u00a0,\u00a0age:%d\u00a0,\u00a0score:%.2f\"<\/span>,ps->name,ps->age,ps->score);\u00a0\u00a0\u00a0<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                      \u00a0<\/span><\/p>\n
                                      \u6211\u4eec\u53ea\u662f\u5728show\u51fd\u6570\u4e2d\u53d6\u8bfbStudent\u53d8\u91cf\u7684\u4fe1\u606f\uff0c\u800c\u4e0d\u4f1a\u53bb\u4fee\u6539\u5b83\uff0c\u4e3a\u4e86\u9632\u6b62\u610f\u5916\u4fee\u6539\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u5e38\u91cf\u6307\u9488\u53bb\u7ea6\u675f\u3002<\/span><\/p>\n
                                      \u53e6\u5916\u6211\u4eec\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u6307\u9488\u800c\u4e0d\u662f\u76f4\u63a5\u4f20\u9012Student\u53d8\u91cf\u5462\uff1f<\/p>\n
                                      \u00a0<\/p>\n
                                      \u4ece\u5b9a\u4e49\u7684\u7ed3\u6784\u770b\u51fa\uff0cStudent\u53d8\u91cf\u7684\u5927\u5c0f\u81f3\u5c11\u662f39\u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u901a\u8fc7\u51fd\u6570\u76f4\u63a5\u4f20\u9012\u53d8\u91cf\uff0c\u5b9e\u53c2\u8d4b\u503c\u6570\u636e\u7ed9\u5f62\u53c2\u9700\u8981\u62f7\u8d1d\u81f3\u5c1139\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u6781\u4e0d\u9ad8\u6548\u3002<\/span><\/p>\n
                                      \u800c\u4f20\u9012\u53d8\u91cf\u7684\u6307\u9488\u5374\u5feb\u5f88\u591a\uff0c\u56e0\u4e3a\u5728\u540c\u4e00\u4e2a\u5e73\u53f0\u4e0b\uff0c\u65e0\u8bba\u4ec0\u4e48\u7c7b\u578b\u7684\u6307\u9488\u5927\u5c0f\u90fd\u662f\u56fa\u5b9a\u7684\uff1aX86\u6307\u94884\u5b57\u8282\uff0cX64\u6307\u94888\u5b57\u8282\uff0c\u8fdc\u8fdc\u6bd4\u4e00\u4e2aStudent\u7ed3\u6784\u4f53\u53d8\u91cf\u5c0f\u3002<\/p>\n
                                      \u00a0<\/p>\n
                                      \u51fd\u6570\u7684\u6307\u9488<\/span><\/strong><\/span><\/p>\n
                                      \u00a0<\/span><\/p>\n
                                      \u6bcf\u4e00\u4e2a\u51fd\u6570\u672c\u8eab\u4e5f\u662f\u4e00\u79cd\u7a0b\u5e8f\u6570\u636e\uff0c\u4e00\u4e2a\u51fd\u6570\u5305\u542b\u4e86\u591a\u6761\u6267\u884c\u8bed\u53e5\uff0c\u5b83\u88ab\u7f16\u8bd1\u540e\uff0c\u5b9e\u8d28\u4e0a\u662f\u591a\u6761\u673a\u5668\u6307\u4ee4\u7684\u5408\u96c6\u3002<\/span><\/p>\n
                                      \u5728\u7a0b\u5e8f\u8f7d\u5165\u5230\u5185\u5b58\u540e\uff0c\u51fd\u6570\u7684\u673a\u5668\u6307\u4ee4\u5b58\u653e\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u903b\u8f91\u533a\u57df\uff1a\u4ee3\u7801\u533a\u3002<\/p>\n
                                      \u65e2\u7136\u662f\u5b58\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u90a3\u4e48\u51fd\u6570\u4e5f\u662f\u6709\u81ea\u5df1\u7684\u6307\u9488\u7684\u3002<\/p>\n
                                      \u00a0<\/p>\n
                                      C\u8bed\u8a00\u4e2d\uff0c\u51fd\u6570\u540d\u4f5c\u4e3a\u53f3\u503c\u65f6\uff0c\u5c31\u662f\u8fd9\u4e2a\u51fd\u6570\u7684\u6307\u9488\u3002<\/span><\/p>\n
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                                        void echo<\/span>(const char *msg)<\/span><\/code>{<\/span><\/code>    printf<\/span>(\"%s\"<\/span>,msg);<\/span><\/code>}<\/span><\/code>int main(void)<\/span><\/code>{<\/span><\/code>    void(*p)(const char*) = echo<\/span>;   \/\/\u51fd\u6570\u6307\u9488\u53d8\u91cf\u6307\u5411echo<\/span>\u8fd9\u4e2a\u51fd\u6570<\/span><\/code>
                                        <\/span><\/code>    p(\"Hello \"<\/span>);      \/\/\u901a\u8fc7\u51fd\u6570\u7684\u6307\u9488p\u8c03\u7528\u51fd\u6570\uff0c\u7b49\u4ef7\u4e8eecho<\/span>(\"Hello \"<\/span>)<\/span><\/code>\u00a0\u00a0\u00a0\u00a0echo<\/span>(\"World\"<\/span>);<\/span><\/code>    return<\/span> 0;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                        \u00a0<\/p>\n
                                        \n
                                        const\u548c\u6307\u9488<\/span><\/strong><\/span><\/p>\n<\/section>\n
                                        \u00a0<\/p>\n
                                        const\u5230\u5e95\u4fee\u9970\u8c01\uff1f\u8c01\u624d\u662f\u4e0d\u53d8\u7684\uff1f<\/span><\/p>\n
                                        \u00a0<\/p>\n
                                        \u5982\u679cconst \u540e\u9762\u662f\u4e00\u4e2a\u7c7b\u578b\uff0c\u5219\u8df3\u8fc7\u6700\u8fd1\u7684\u539f\u5b50\u7c7b\u578b\uff0c\u4fee\u9970\u540e\u9762\u7684\u6570\u636e\u3002
                                        \uff08\u539f\u5b50\u7c7b\u578b\u662f\u4e0d\u53ef\u518d\u5206\u5272\u7684\u7c7b\u578b\uff0c\u5982int, short , char\uff0c\u4ee5\u53catypedef\u5305\u88c5\u540e\u7684\u7c7b\u578b\uff09<\/span><\/p>\n
                                        \u00a0<\/p>\n
                                        \u5982\u679cconst\u540e\u9762\u5c31\u662f\u4e00\u4e2a\u6570\u636e\uff0c\u5219\u76f4\u63a5\u4fee\u9970\u8fd9\u4e2a\u6570\u636e\u3002<\/span><\/p>\n
                                        \u00a0<\/p>\n
                                        \u00a0<\/p>\n
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                                          int<\/span> main<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>    int<\/span> a = 1<\/span>;<\/span><\/code>
                                          <\/span><\/code>    int<\/span> const<\/span> *p1 = &a;        \/\/const\u540e\u9762\u662f*p1\uff0c\u5b9e\u8d28\u662f\u6570\u636ea\uff0c\u5219\u4fee\u9970*p1\uff0c\u901a\u8fc7p1\u4e0d\u80fd\u4fee\u6539a\u7684\u503c<\/span><\/span><\/code>    const<\/span> int<\/span> *p2 =  &a;        \/\/const\u540e\u9762\u662fint\u7c7b\u578b\uff0c\u5219\u8df3\u8fc7int \uff0c\u4fee\u9970*p2\uff0c \u6548\u679c\u540c\u4e0a<\/span><\/span><\/code>
                                          <\/span><\/code>\u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0*const<\/span>\u00a0p3\u00a0=\u00a0NULL<\/span>;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/const\u540e\u9762\u662f\u6570\u636ep3\u3002\u4e5f\u5c31\u662f\u6307\u9488p3\u672c\u8eab\u662fconst\u00a0.<\/span><\/span><\/code>
                                          <\/span><\/code>\u00a0\u00a0\u00a0\u00a0const<\/span>\u00a0int<\/span> *const<\/span>\u00a0p4\u00a0=\u00a0&a;\u00a0\u00a0\/\/\u00a0\u901a\u8fc7p4\u4e0d\u80fd\u6539\u53d8a\u00a0\u7684\u503c\uff0c\u540c\u65f6p4\u672c\u8eab\u4e5f\u662f\u00a0const<\/span><\/span><\/code>\u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0const<\/span> *const<\/span>\u00a0p5\u00a0=\u00a0&a;\u00a0\u00a0\/\/\u6548\u679c\u540c\u4e0a<\/span><\/span><\/code>
                                          <\/span><\/code>    return<\/span> 0<\/span>;<\/span><\/code>
                                          <\/span><\/code>}<\/span><\/code> <\/code>typedef<\/span>\u00a0int<\/span>\u00a0*pint_t<\/span>;\u00a0\u00a0\/\/\u5c06\u00a0int*\u00a0\u7c7b\u578b\u00a0\u5305\u88c5\u4e3a\u00a0pint_t,\u5219pint_t\u00a0\u73b0\u5728\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u539f\u5b50\u7c7b\u578b<\/span><\/span><\/code>
                                          <\/span><\/code>int<\/span> main<\/span>()<\/span><\/span><\/span><\/code>{<\/span><\/code>    int<\/span> a  = 1<\/span>;<\/span><\/code>    const<\/span> pint_t<\/span> p1 = &a;  \/\/\u540c\u6837\uff0cconst\u8df3\u8fc7\u7c7b\u578bpint_t\uff0c\u4fee\u9970p1\uff0c\u6307\u9488p1\u672c\u8eab\u662fconst<\/span><\/span><\/code>    pint_t<\/span> const<\/span> p2 = &a;  \/\/const \u76f4\u63a5\u4fee\u9970p\uff0c\u540c\u4e0a<\/span><\/span><\/code>
                                          <\/span><\/code>\u00a0\u00a0\u00a0\u00a0return<\/span>\u00a00<\/span>;<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n
                                          \u00a0<\/p>\n
                                          \n
                                          \u6df1\u62f7\u8d1d\u548c\u6d45\u62f7\u8d1d<\/span><\/strong><\/span><\/p>\n<\/section>\n
                                          \u00a0<\/p>\n
                                          \u5982\u679c2\u4e2a\u7a0b\u5e8f\u5355\u5143\uff08\u4f8b\u59822\u4e2a\u51fd\u6570\uff09\u662f\u901a\u8fc7\u62f7\u8d1d\u4ed6\u4eec\u6240\u5171\u4eab\u7684\u6570\u636e\u7684\u6307\u9488\u6765\u5de5\u4f5c\u7684\uff0c\u8fd9\u5c31\u662f\u6d45\u62f7\u8d1d\uff0c\u56e0\u4e3a\u771f\u6b63\u8981\u8bbf\u95ee\u7684\u6570\u636e\u5e76\u6ca1\u6709\u88ab\u62f7\u8d1d\u3002<\/span><\/p>\n
                                          \u5982\u679c\u88ab\u8bbf\u95ee\u7684\u6570\u636e\u88ab\u62f7\u8d1d\u4e86\uff0c\u5728\u6bcf\u4e2a\u5355\u5143\u4e2d\u90fd\u6709\u81ea\u5df1\u7684\u4e00\u4efd\uff0c\u5bf9\u76ee\u6807\u6570\u636e\u7684\u64cd\u4f5c\u76f8\u4e92\u4e0d\u53d7\u5f71\u54cd\uff0c\u5219\u53eb\u505a\u6df1\u62f7\u8d1d\u3002<\/p>\n
                                          \u00a0<\/span>\"\u5bf9<\/p>\n
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                                          \n
                                          \u9644\u52a0\u77e5\u8bc6<\/span><\/strong><\/span><\/p>\n<\/section>\n
                                          \u00a0<\/p>\n
                                          \u6307\u9488\u548c\u5f15\u7528\u8fd9\u4e2a2\u4e2a\u540d\u8bcd\u7684\u533a\u522b\u3002\u4ed6\u4eec\u672c\u8d28\u4e0a\u6765\u8bf4\u662f\u540c\u6837\u7684\u4e1c\u897f\u3002<\/span><\/p>\n
                                          \u6307\u9488\u5e38\u7528\u5728C\u8bed\u8a00\u4e2d\uff0c\u800c\u5f15\u7528\uff0c\u5219\u7528\u4e8e\u8bf8\u5982Java\uff0cC#\u7b49 \u5728\u8bed\u8a00\u5c42\u9762\u5c01\u88c5\u4e86\u5bf9\u6307\u9488\u7684\u76f4\u63a5\u64cd\u4f5c\u7684\u7f16\u7a0b\u8bed\u8a00\u4e2d\u3002<\/p>\n
                                          \u00a0<\/p>\n
                                          \u5927\u7aef\u6a21\u5f0f\u548c\u5c0f\u7aef\u6a21\u5f0f<\/span><\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          1) Little-Endian\u5c31\u662f\u4f4e\u4f4d\u5b57\u8282\u6392\u653e\u5728\u5185\u5b58\u7684\u4f4e\u5730\u5740\u7aef\uff0c\u9ad8\u4f4d\u5b57\u8282\u6392\u653e\u5728\u5185\u5b58\u7684\u9ad8\u5730\u5740\u7aef\u3002\u4e2a\u4ebaPC\u5e38\u7528\uff0cIntel X86\u5904\u7406\u5668\u662f\u5c0f\u7aef\u6a21\u5f0f\u3002<\/span><\/p>\n
                                          \u00a0<\/p>\n
                                          2) Big-Endian\u5c31\u662f\u9ad8\u4f4d\u5b57\u8282\u6392\u653e\u5728\u5185\u5b58\u7684\u4f4e\u5730\u5740\u7aef\uff0c\u4f4e\u4f4d\u5b57\u8282\u6392\u653e\u5728\u5185\u5b58\u7684\u9ad8\u5730\u5740\u7aef\u3002<\/span><\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          \u91c7\u7528\u5927\u7aef\u65b9\u5f0f\u8fdb\u884c\u6570\u636e\u5b58\u653e\u7b26\u5408\u4eba\u7c7b\u7684\u6b63\u5e38\u601d\u7ef4\uff0c\u800c\u91c7\u7528\u5c0f\u7aef\u65b9\u5f0f\u8fdb\u884c\u6570\u636e\u5b58\u653e\u5229\u4e8e\u8ba1\u7b97\u673a\u5904\u7406\u3002<\/span><\/p>\n
                                          \u6709\u4e9b\u673a\u5668\u540c\u65f6\u652f\u6301\u5927\u7aef\u548c\u5c0f\u7aef\u6a21\u5f0f,\u901a\u8fc7\u914d\u7f6e\u6765\u8bbe\u5b9a\u5b9e\u9645\u7684\u7aef\u6a21\u5f0f\u3002<\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          \u5047\u5982 short\u7c7b\u578b\u5360\u75282\u4e2a\u5b57\u8282\uff0c\u4e14\u5b58\u50a8\u7684\u5730\u5740\u4e3a0x30\u3002<\/span><\/p>\n
                                          short a = 1;<\/span><\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          \u5982\u4e0b\u56fe\uff1a<\/span><\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          \u00a0<\/span>\"\u5bf9<\/p>\n
                                          \u00a0<\/span><\/p>\n
                                          \/\/\u6d4b\u8bd5\u673a\u5668\u4f7f\u7528\u7684\u662f\u5426\u4e3a\u5c0f\u7aef\u6a21\u5f0f\u3002\u662f\uff0c\u5219\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse
                                          \/\/\u8fd9\u4e2a\u65b9\u6cd5\u5224\u522b\u7684\u4f9d\u636e\u5c31\u662f\uff1aC\u8bed\u8a00\u4e2d\u4e00\u4e2a\u5bf9\u8c61\u7684\u5730\u5740\u5c31\u662f\u8fd9\u4e2a\u5bf9\u8c61\u5360\u7528\u7684\u5b57\u8282\u4e2d\uff0c\u5730\u5740\u503c\u6700\u5c0f\u7684\u90a3\u4e2a\u5b57\u8282\u7684\u5730\u5740\u3002

                                          <\/span><\/p>\n
                                          \n