{"id":75,"date":"2026-03-21T23:50:01","date_gmt":"2026-03-21T15:50:01","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=75"},"modified":"2026-03-21T23:55:14","modified_gmt":"2026-03-21T15:55:14","slug":"c-c%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/21\/c-c%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e8%af%a6%e8%a7%a3\/","title":{"rendered":"C\/C++\u5185\u5b58\u7ba1\u7406\u8be6\u89e3"},"content":{"rendered":"\n

C\/C++\u5185\u5b58\u5206\u5e03<\/h2>\n\n\n\n

\u8ba9\u6211\u4eec\u5148\u6765\u770b\u770b\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n

int globalVar = 1;\nstatic int staticGlobalVar = 1;\nvoid Test()\n{\n    static int staticVar = 1;\n    int localVar = 1;\n    int num1[10] = { 1, 2, 3, 4 };\n    char char2[] = \"abcd\";\n    char* pChar3 = \"abcd\";\n    int* ptr1 = (int*)malloc(sizeof (int)* 4);\n    int* ptr2 = (int*)calloc(4, sizeof(int));\n    int* ptr3 = (int*)realloc(ptr2, sizeof(int)* 4);\n    free(ptr1);\n    free(ptr3);\n}<\/code><\/pre>\n\n\n\n
\u4f60\u77e5\u9053\u4ee3\u7801\u4e2d\u7684\u5404\u4e2a\u90e8\u5206\u5206\u522b\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u54ea\u4e00\u4e2a\u533a\u57df\u5417\uff1f\"image-20260321233825639\"<\/p>\n\n\n\n
\u3010\u8bf4\u660e\u3011<\/p>\n\n\n\n
    \n
  1. \u6808\u53c8\u53eb\u5806\u6808\uff0c\u7528\u4e8e\u5b58\u50a8\u975e\u9759\u6001\u5c40\u90e8\u53d8\u91cf<\/a>\/\u51fd\u6570\u53c2\u6570\/\u8fd4\u56de\u503c\u7b49\u7b49\uff0c\u6808\u662f\u5411\u4e0b\u589e\u957f\u7684\u3002<\/li>\n\n\n\n
  2. \u5185\u5b58\u6620\u5c04<\/a>\u6bb5\u662f\u9ad8\u6548\u7684I\/O\u6620\u5c04\u65b9\u5f0f\uff0c\u7528\u4e8e\u88c5\u8f7d\u4e00\u4e2a\u5171\u4eab\u7684\u52a8\u6001\u5185\u5b58\u5e93\u3002\u7528\u6237\u53ef\u4f7f\u7528\u7cfb\u7edf\u63a5\u53e3\u521b\u5efa\u5171\u4eab\u5185\u5b58\uff0c\u505a\u8fdb\u7a0b\u95f4\u901a\u4fe1\u3002<\/li>\n\n\n\n
  3. \u5806\u7528\u4e8e\u5b58\u50a8\u8fd0\u884c\u65f6\u52a8\u6001\u5185\u5b58<\/a>\u5206\u914d\uff0c\u5806\u662f\u5411\u4e0a\u589e\u957f\u7684\u3002<\/li>\n\n\n\n
  4. \u6570\u636e\u6bb5\u53c8\u53eb\u9759\u6001\u533a\uff0c\u7528\u4e8e\u5b58\u50a8\u5168\u5c40\u6570\u636e\u548c\u9759\u6001\u6570\u636e\u3002<\/li>\n\n\n\n
  5. \u4ee3\u7801\u6bb5\u53c8\u53eb\u5e38\u91cf\u533a\uff0c\u7528\u4e8e\u5b58\u653e\u53ef\u6267\u884c\u7684\u4ee3\u7801\u548c\u53ea\u8bfb\u5e38\u91cf\u3002<\/li>\n<\/ol>\n\n\n\n
    \u987a\u4fbf\u63d0\u4e00\u4e0b<\/strong>\uff1a\u4e3a\u4ec0\u4e48\u8bf4\u6808\u662f\u5411\u4e0b\u589e\u957f\u7684\uff0c\u800c\u5806\u662f\u5411\u4e0a\u589e\u957f\u7684\uff1f\"image-20260321234044863\"<\/p>\n\n\n\n
    \u7b80\u5355\u6765\u8bf4\uff0c\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5728\u6808\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u8f83\u9ad8\uff0c\u800c\u5728\u5806\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u8f83\u4f4e\u3002<\/strong><\/p>\n\n\n\n
    \u4f8b\u5982\uff0c\u4e0b\u9762\u4ee3\u7801\u4e2d\uff0c\u53d8\u91cfa\u548c\u53d8\u91cfb\u5b58\u50a8\u5728\u6808\u533a\uff0c\u6307\u9488c\u548c\u6307\u9488d\u6307\u5411\u5806\u533a\u7684\u5185\u5b58\u7a7a\u95f4\uff1a<\/p>\n\n\n\n
    #include <iostream>\nusing namespace std;\nint main()\n{\n    \/\/\u6808\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u9ad8\n    int a = 10;\n    int b = 20;\n    cout << &a << endl;\n    cout << &b << endl;\n\n    \/\/\u5806\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u4f4e\n    int* c = (int*)malloc(sizeof(int)* 10);\n    int* d = (int*)malloc(sizeof(int)* 10);\n    cout << c << endl;\n    cout << d << endl;\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \u56e0\u4e3a\u5728\u6808\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u8f83\u9ad8\uff0c\u6240\u4ee5\u6253\u5370\u51fa\u6765a\u7684\u5730\u5740\u5927\u4e8eb\u7684\u5730\u5740\uff1b\u5728\u5806\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u8f83\u4f4e\uff0c\u6240\u4ee5c\u6307\u5411\u7684\u7a7a\u95f4\u5730\u5740\u5c0f\u4e8ed\u6307\u5411\u7684\u7a7a\u95f4\u5730\u5740\u3002<\/p>\n\n\n\n
    \u6ce8\u610f<\/strong>\uff1a\u5728\u5806\u533a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u540e\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u4e0d\u4e00\u5b9a\u6bd4\u5148\u5f00\u8f9f\u7684\u7a7a\u95f4\u5730\u5740\u9ad8\u3002\u56e0\u4e3a\u5728\u5806\u533a\uff0c\u540e\u5f00\u8f9f\u7684\u7a7a\u95f4\u4e5f\u6709\u53ef\u80fd\u4f4d\u4e8e\u524d\u9762\u67d0\u4e00\u88ab\u91ca\u653e\u7684\u7a7a\u95f4\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
    C\u8bed\u8a00\u4e2d\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u65b9\u5f0f<\/h2>\n\n\n\n
    malloc\u3001calloc\u3001realloc\u548cfree<\/strong><\/h3>\n\n\n\n
    \u4e00\u3001malloc<\/strong><\/p>\n\n\n\n
    \n
    malloc\u51fd\u6570\u7684\u529f\u80fd\u662f\u5f00\u8f9f\u6307\u5b9a\u5b57\u8282\u5927\u5c0f\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5982\u679c\u5f00\u8f9f\u6210\u529f\u5c31\u8fd4\u56de\u8be5\u7a7a\u95f4\u7684\u9996\u5730\u5740\uff0c\u5982\u679c\u5f00\u8f9f\u5931\u8d25\u5c31\u8fd4\u56de\u4e00\u4e2aNULL\u3002\u4f20\u53c2\u65f6\u53ea\u9700\u4f20\u5165\u9700\u8981\u5f00\u8f9f\u7684\u5b57\u8282\u4e2a\u6570\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u4e8c\u3001calloc<\/strong><\/p>\n\n\n\n
    \n
    calloc\u51fd\u6570\u7684\u529f\u80fd\u4e5f\u662f\u5f00\u8f9f\u6307\u5b9a\u5927\u5c0f\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5982\u679c\u5f00\u8f9f\u6210\u529f\u5c31\u8fd4\u56de\u8be5\u7a7a\u95f4\u7684\u9996\u5730\u5740\uff0c\u5982\u679c\u5f00\u8f9f\u5931\u8d25\u5c31\u8fd4\u56de\u4e00\u4e2aNULL\u3002calloc\u51fd\u6570\u4f20\u53c2\u65f6\u9700\u8981\u4f20\u5165\u5f00\u8f9f\u7684\u5185\u5b58\u7528\u4e8e\u5b58\u653e\u7684\u5143\u7d20\u4e2a\u6570\u548c\u6bcf\u4e2a\u5143\u7d20\u7684\u5927\u5c0f\u3002calloc\u51fd\u6570\u5f00\u8f9f\u597d\u5185\u5b58\u540e\u4f1a\u5c06\u7a7a\u95f4\u5185\u5bb9\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u8282\u90fd\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u4e09\u3001realloc<\/strong><\/p>\n\n\n\n
    \n
    realloc\u51fd\u6570\u53ef\u4ee5\u8c03\u6574\u5df2\u7ecf\u5f00\u8f9f\u597d\u7684\u52a8\u6001\u5185\u5b58\u7684\u5927\u5c0f\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u9700\u8981\u8c03\u6574\u5927\u5c0f\u7684\u52a8\u6001\u5185\u5b58\u7684\u9996\u5730\u5740\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u52a8\u6001\u5185\u5b58\u8c03\u6574\u540e\u7684\u65b0\u5927\u5c0f\u3002realloc\u51fd\u6570\u4e0e\u4e0a\u9762\u4e24\u4e2a\u51fd\u6570\u4e00\u6837\uff0c\u5982\u679c\u5f00\u8f9f\u6210\u529f\u4fbf\u8fd4\u56de\u5f00\u8f9f\u597d\u7684\u5185\u5b58\u7684\u9996\u5730\u5740\uff0c\u5f00\u8f9f\u5931\u8d25\u5219\u8fd4\u56deNULL\u3002<\/p>\n<\/blockquote>\n\n\n\n
    realloc\u51fd\u6570\u8c03\u6574\u52a8\u6001\u5185\u5b58\u5927\u5c0f\u7684\u65f6\u5019\u4f1a\u6709\u4e09\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n
      \n
    1. \u539f\u5730\u6269<\/strong>\u3002\u9700\u6269\u5c55\u7684\u7a7a\u95f4\u540e\u65b9\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u53ef\u4f9b\u6269\u5c55\uff0c\u6b64\u65f6\uff0crealloc\u51fd\u6570\u76f4\u63a5\u5728\u539f\u7a7a\u95f4\u540e\u65b9\u8fdb\u884c\u6269\u5c55\uff0c\u5e76\u8fd4\u56de\u8be5\u5185\u5b58\u7a7a\u95f4\u9996\u5730\u5740\uff08\u5373\u539f\u6765\u7684\u9996\u5730\u5740\uff09\u3002<\/li>\n\n\n\n
    2. \u5f02\u5730\u6269<\/strong>\u3002\u9700\u6269\u5c55\u7684\u7a7a\u95f4\u540e\u65b9\u6ca1\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u53ef\u4f9b\u6269\u5c55\uff0c\u6b64\u65f6\uff0crealloc\u51fd\u6570\u4f1a\u5728\u5806\u533a\u4e2d\u91cd\u65b0\u627e\u4e00\u5757\u6ee1\u8db3\u8981\u6c42\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u628a\u539f\u7a7a\u95f4\u5185\u7684\u6570\u636e\u62f7\u8d1d\u5230\u65b0\u7a7a\u95f4\u4e2d\uff0c\u5e76\u4e3b\u52a8\u5c06\u539f\u7a7a\u95f4\u5185\u5b58\u91ca\u653e\uff08\u5373\u8fd8\u7ed9\u64cd\u4f5c\u7cfb\u7edf\uff09\uff0c\u8fd4\u56de\u65b0\u5185\u5b58\u7a7a\u95f4\u7684\u9996\u5730\u5740\u3002<\/li>\n\n\n\n
    3. \u6269\u5145\u5931\u8d25<\/strong>\u3002\u9700\u6269\u5c55\u7684\u7a7a\u95f4\u540e\u65b9\u6ca1\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u53ef\u4f9b\u6269\u5c55\uff0c\u5e76\u4e14\u5806\u533a\u4e2d\u4e5f\u6ca1\u6709\u7b26\u5408\u9700\u8981\u5f00\u8f9f\u7684\u5185\u5b58\u5927\u5c0f\u7684\u7a7a\u95f4\u3002\u7ed3\u679c\u5c31\u662f\u5f00\u8f9f\u5185\u5b58\u5931\u8d25\uff0c\u8fd4\u56de\u4e00\u4e2aNULL\u3002<\/li>\n<\/ol>\n\n\n\n
      \u56db\u3001free<\/strong><\/p>\n\n\n\n
      \n
      free\u51fd\u6570\u7684\u4f5c\u7528\u5c31\u662f\u5c06malloc\u3001calloc\u4ee5\u53carealloc\u51fd\u6570\u7533\u8bf7\u7684\u52a8\u6001\u5185\u5b58\u7a7a\u95f4\u91ca\u653e\uff0c\u5176\u91ca\u653e\u7a7a\u95f4\u7684\u5927\u5c0f\u53d6\u51b3\u4e8e\u4e4b\u524d\u7533\u8bf7\u7684\u5185\u5b58\u7a7a\u95f4\u7684\u5927\u5c0f\u3002<\/p>\n<\/blockquote>\n\n\n\n
      \u82e5\u8fd8\u60f3\u8fdb\u4e00\u6b65\u4e86\u89e3malloc\u3001calloc\u3001realloc\u548cfree\uff0c\u8bf7\u9605\u8bfbC\u8bed\u8a00\u52a8\u6001\u5185\u5b58\u7ba1\u7406<\/a>\u3002<\/p>\n\n\n\n
      C++\u4e2d\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u65b9\u5f0f<\/h2>\n\n\n\n
      \u9996\u5148\uff0cC\u8bed\u8a00\u5185\u5b58\u7ba1\u7406\u7684\u65b9\u5f0f\u5728C++\u4e2d\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u3002\u4f46\u6709\u4e9b\u5730\u65b9\u5c31\u65e0\u80fd\u4e3a\u529b\u800c\u4e14\u4f7f\u7528\u8d77\u6765\u6bd4\u8f83\u9ebb\u70e6\uff0c\u56e0\u6b64C++\u53c8\u63d0\u51fa\u4e86\u81ea\u5df1\u7684\u5185\u5b58\u7ba1\u7406\u65b9\u5f0f\uff1a\u901a\u8fc7new\u548cdelete\u64cd\u4f5c\u7b26\u8fdb\u884c\u52a8\u6001\u5185\u5b58\u7ba1\u7406\u3002<\/p>\n\n\n\n
      new\u548cdelete\u64cd\u4f5c\u5185\u7f6e\u7c7b\u578b<\/h3>\n\n\n\n
      \u4e00\u3001\u52a8\u6001\u7533\u8bf7\u5355\u4e2a\u67d0\u7c7b\u578b\u7684\u7a7a\u95f4<\/strong><\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf7\u5355\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\nint* p1 = new int; \/\/\u7533\u8bf7\n\ndelete p1; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u5176\u4f5c\u7528\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf7\u5355\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\nint* p2 = (int*)malloc(sizeof(int)); \/\/\u7533\u8bf7\n\nfree(p2); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u4e8c\u3001\u52a8\u6001\u7533\u8bf7\u591a\u4e2a\u67d0\u7c7b\u578b\u7684\u7a7a\u95f4<\/strong><\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf710\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\nint* p3 = new int[10]; \/\/\u7533\u8bf7\n\ndelete[] p3; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u5176\u4f5c\u7528\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf710\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\nint* p4 = (int*)malloc(sizeof(int)* 10); \/\/\u7533\u8bf7\n\nfree(p4); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u4e09\u3001\u52a8\u6001\u7533\u8bf7\u5355\u4e2a\u67d0\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316<\/strong><\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf7\u5355\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316\u4e3a10\nint* p5 = new int(10); \/\/\u7533\u8bf7 + \u8d4b\u503c\n\ndelete p5; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u5176\u4f5c\u7528\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf7\u4e00\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316\u4e3a10\nint* p6 = (int*)malloc(sizeof(int)); \/\/\u7533\u8bf7\n*p6 = 10; \/\/\u8d4b\u503c\n\nfree(p6); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u56db\u3001\u52a8\u6001\u7533\u8bf7\u591a\u4e2a\u67d0\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316<\/strong><\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf710\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316\u4e3a0\u52309\nint* p7 = new int[10]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; \/\/\u7533\u8bf7 + \u8d4b\u503c\n\ndelete[] p7; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u5176\u4f5c\u7528\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
      \/\/\u52a8\u6001\u7533\u8bf710\u4e2aint\u7c7b\u578b\u7684\u7a7a\u95f4\u5e76\u521d\u59cb\u5316\u4e3a0\u52309\nint* p8 = (int*)malloc(sizeof(int)* 10); \/\/\u7533\u8bf7\nfor (int i = 0; i < 10; i++) \/\/\u8d4b\u503c\n{\n    p8[i] = i;\n}\n\nfree(p8); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u6ce8\u610f<\/strong>\uff1a\u7533\u8bf7\u548c\u91ca\u653e\u5355\u4e2a\u5143\u7d20\u7684\u7a7a\u95f4\uff0c\u4f7f\u7528new\u548cdelete\u64cd\u4f5c\u7b26\uff1b\u7533\u8bf7\u548c\u91ca\u653e\u8fde\u7eed\u7684\u7a7a\u95f4\uff0c\u4f7f\u7528new[ ]\u548cdelete[ ]\u3002<\/p>\n\n\n\n
      new\u548cdelete\u64cd\u4f5c\u81ea\u5b9a\u4e49\u7c7b\u578b<\/h3>\n\n\n\n
      \u5bf9\u4e8e\u4ee5\u4e0b\u81ea\u5b9a\u4e49\u7c7b\u578b\uff1a<\/p>\n\n\n\n
      class Test\n{\npublic:\n    Test() \/\/\u6784\u9020\u51fd\u6570\n        :_a(0)\n    {\n        cout << \"\u6784\u9020\u51fd\u6570\" << endl;\n    }\n    ~Test() \/\/\u6790\u6784\u51fd\u6570\n    {\n        cout << \"\u6790\u6784\u51fd\u6570\" << endl;\n    }\nprivate:\n    int _a;\n};<\/code><\/pre>\n\n\n\n
      \u4e00\u3001\u52a8\u6001\u7533\u8bf7\u5355\u4e2a\u7c7b\u7684\u7a7a\u95f4<\/strong>
      \u7528new\u548cdelete\u64cd\u4f5c\u7b26\uff1a<\/p>\n\n\n\n
      Test* p1 = new Test; \/\/\u7533\u8bf7\n\ndelete p1; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u7528malloc\u548cfree\u51fd\u6570\uff1a<\/p>\n\n\n\n
      Test* p2 = (Test*)malloc(sizeof(Test)); \/\/\u7533\u8bf7\n\nfree(p2); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u4e8c\u3001\u52a8\u6001\u7533\u8bf7\u591a\u4e2a\u7c7b\u7684\u7a7a\u95f4<\/strong><\/p>\n\n\n\n
      \u7528new\u548cdelete\u64cd\u4f5c\u7b26\uff1a<\/p>\n\n\n\n
      Test* p3 = new Test[10]; \/\/\u7533\u8bf7\n\ndelete[] p3; \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u7528malloc\u548cfree\u51fd\u6570\uff1a<\/p>\n\n\n\n
      Test* p4 = (Test*)malloc(sizeof(Test)* 10); \/\/\u7533\u8bf7\n\nfree(p4); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
      \u6ce8\u610f<\/strong>\uff1a\u5728\u7533\u8bf7\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u7a7a\u95f4\u65f6\uff0cnew\u4f1a\u8c03\u7528\u6784\u9020\u51fd\u6570\uff0cdelete\u4f1a\u8c03\u7528\u6790\u6784\u51fd\u6570\uff0c\u800cmalloc\u548cfree\u4e0d\u4f1a\u3002<\/p>\n\n\n\n
      \u603b\u7ed3\u4e00\u4e0b\uff1a<\/p>\n\n\n\n
        \n
      1. C++\u4e2d\u5982\u679c\u662f\u7533\u8bf7\u5185\u7f6e\u7c7b\u578b\u7684\u5bf9\u8c61\u6216\u662f\u6570\u7ec4\uff0c\u7528new\/delete\u548cmalloc\/free\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\u3002<\/li>\n\n\n\n
      2. \u5982\u679c\u662f\u81ea\u5b9a\u4e49\u7c7b\u578b\uff0c\u533a\u522b\u5f88\u5927\uff0cnew\u548cdelete\u5206\u522b\u662f\u5f00\u7a7a\u95f4+\u6784\u9020\u51fd\u6570\u3001\u6790\u6784\u51fd\u6570+\u91ca\u653e\u7a7a\u95f4\uff0c\u800cmalloc\u548cfree\u4ec5\u4ec5\u662f\u5f00\u7a7a\u95f4\u548c\u91ca\u653e\u7a7a\u95f4\u3002<\/li>\n\n\n\n
      3. \u5efa\u8bae\u5728C++\u4e2d\u65e0\u8bba\u662f\u5185\u7f6e\u7c7b\u578b\u8fd8\u662f\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u7533\u8bf7\u548c\u91ca\u653e\uff0c\u5c3d\u91cf\u90fd\u4f7f\u7528new\u548cdelete\u3002<\/li>\n<\/ol>\n\n\n\n
        operator new\u548coperator delete\u51fd\u6570<\/h2>\n\n\n\n
        new\u548cdelete\u662f\u7528\u6237\u8fdb\u884c\u52a8\u6001\u5185\u5b58\u7533\u8bf7\u548c\u91ca\u653e\u7684\u64cd\u4f5c\u7b26\uff0coperator new\u548coperator delete\u662f\u7cfb\u7edf\u63d0\u4f9b\u7684\u5168\u5c40\u51fd\u6570\uff0cnew\u548cdelete\u5728\u5e95\u5c42\u662f\u901a\u8fc7\u8c03\u7528\u5168\u5c40\u51fd\u6570operator new\u548coperator delete\u6765\u7533\u8bf7\u548c\u91ca\u653e\u7a7a\u95f4\u7684\u3002
        operator new\u548coperator delete\u7684\u7528\u6cd5\u548cmalloc\u548cfree\u7684\u7528\u6cd5\u5b8c\u5168\u4e00\u6837\uff0c\u5176\u529f\u80fd\u90fd\u662f\u5728\u5806\u4e0a\u7533\u8bf7\u548c\u91ca\u653e\u7a7a\u95f4\u3002<\/p>\n\n\n\n
        int* p1 = (int*)operator new(sizeof(int)* 10); \/\/\u7533\u8bf7\n\noperator delete(p1); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
        \u5176\u4f5c\u7528\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n
        int* p2 = (int*)malloc(sizeof(int)* 10); \/\/\u7533\u8bf7\n\nfree(p2); \/\/\u9500\u6bc1<\/code><\/pre>\n\n\n\n
        \u5b9e\u9645\u4e0a\uff0coperator new\u7684\u5e95\u5c42\u662f\u901a\u8fc7\u8c03\u7528malloc\u51fd\u6570\u6765\u7533\u8bf7\u7a7a\u95f4\u7684\uff0c\u5f53malloc\u7533\u8bf7\u7a7a\u95f4\u6210\u529f\u65f6\u76f4\u63a5\u8fd4\u56de\uff1b\u82e5\u7533\u8bf7\u7a7a\u95f4\u5931\u8d25\uff0c\u5219\u5c1d\u8bd5\u6267\u884c\u7a7a\u95f4\u4e0d\u8db3\u7684\u5e94\u5bf9\u63aa\u65bd\uff0c\u5982\u679c\u8be5\u5e94\u5bf9\u63aa\u65bd\u7528\u6237\u8bbe\u7f6e\u4e86\uff0c\u5219\u7ee7\u7eed\u7533\u8bf7\uff0c\u5426\u5219\u629b\u5f02\u5e38\u3002\u800coperator delete\u7684\u5e95\u5c42\u662f\u901a\u8fc7\u8c03\u7528free\u51fd\u6570\u6765\u91ca\u653e\u7a7a\u95f4\u7684\u3002\"image-20260321234423352\"<\/p>\n\n\n\n
        \u6ce8\u610f<\/strong>\uff1a\u867d\u7136\u8bf4operator new\u548coperator delete\u662f\u7cfb\u7edf\u63d0\u4f9b\u7684\u5168\u5c40\u51fd\u6570\uff0c\u4f46\u662f\u6211\u4eec\u4e5f\u53ef\u4ee5\u9488\u5bf9\u67d0\u4e2a\u7c7b\uff0c\u91cd\u8f7d\u5176\u4e13\u5c5e\u7684operator new\u548coperator delete\u51fd\u6570\uff0c\u8fdb\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n\n\n\n
        new\u548cdelete\u7684\u5b9e\u73b0\u539f\u7406<\/h2>\n\n\n\n
        \u5185\u7f6e\u7c7b\u578b<\/h3>\n\n\n\n
        \u5982\u679c\u7533\u8bf7\u7684\u662f\u5185\u7f6e\u7c7b\u578b\u7684\u7a7a\u95f4\uff0cnew\/delete\u548cmalloc\/free\u57fa\u672c\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\uff0cnew\/delete\u7533\u8bf7\u91ca\u653e\u7684\u662f\u5355\u4e2a\u5143\u7d20\u7684\u7a7a\u95f4\uff0cnew[ ]\/delete [ ]\u7533\u8bf7\u91ca\u653e\u7684\u662f\u8fde\u7eed\u7684\u7a7a\u95f4\uff0c\u6b64\u5916\uff0cmalloc\u7533\u8bf7\u5931\u8d25\u4f1a\u8fd4\u56deNULL\uff0c\u800cnew\u7533\u8bf7\u5931\u8d25\u4f1a\u629b\u5f02\u5e38\u3002<\/p>\n\n\n\n
        \u81ea\u5b9a\u4e49\u7c7b\u578b<\/h3>\n\n\n\n
        new\u7684\u539f\u7406<\/strong><\/p>\n\n\n\n
          \n
        1. \u8c03\u7528operator new\u51fd\u6570\u7533\u8bf7\u7a7a\u95f4\u3002<\/li>\n\n\n\n
        2. \u5728\u7533\u8bf7\u7684\u7a7a\u95f4\u4e0a\u6267\u884c\u6784\u9020\u51fd\u6570\uff0c\u5b8c\u6210\u5bf9\u8c61\u7684\u6784\u9020\u3002<\/li>\n<\/ol>\n\n\n\n
          delete\u7684\u539f\u7406<\/strong><\/p>\n\n\n\n
            \n
          1. \u5728\u7a7a\u95f4\u4e0a\u6267\u884c\u6790\u6784\u51fd\u6570\uff0c\u5b8c\u6210\u5bf9\u8c61\u4e2d\u8d44\u6e90\u7684\u6e05\u7406\u5de5\u4f5c\u3002<\/li>\n\n\n\n
          2. \u8c03\u7528operator delete\u51fd\u6570\u91ca\u653e\u5bf9\u8c61\u7684\u7a7a\u95f4\u3002<\/li>\n<\/ol>\n\n\n\n
            new T[N]\u7684\u539f\u7406<\/strong><\/p>\n\n\n\n
              \n
            1. \u8c03\u7528operator new[ ]\u51fd\u6570\uff0c\u5728operator new[ ]\u51fd\u6570\u4e2d\u5b9e\u9645\u8c03\u7528operator new\u51fd\u6570\u5b8c\u6210N\u4e2a\u5bf9\u8c61\u7a7a\u95f4\u7684\u7533\u8bf7\u3002<\/li>\n\n\n\n
            2. \u5728\u7533\u8bf7\u7684\u7a7a\u95f4\u4e0a\u6267\u884cN\u6b21\u6784\u9020\u51fd\u6570\u3002<\/li>\n<\/ol>\n\n\n\n
              delete[ ] \u7684\u539f\u7406<\/strong><\/p>\n\n\n\n
                \n
              1. \u5728\u7a7a\u95f4\u4e0a\u6267\u884cN\u6b21\u6790\u6784\u51fd\u6570\uff0c\u5b8c\u6210N\u4e2a\u5bf9\u8c61\u4e2d\u8d44\u6e90\u7684\u6e05\u7406\u3002<\/li>\n\n\n\n
              2. \u8c03\u7528operator delete[ ]\u51fd\u6570\uff0c\u5728operator delete[ ]\u51fd\u6570\u4e2d\u5b9e\u9645\u8c03\u7528operator delete\u51fd\u6570\u5b8c\u6210N\u4e2a\u5bf9\u8c61\u7a7a\u95f4\u7684\u91ca\u653e\u3002<\/li>\n<\/ol>\n\n\n\n
                \u5b9a\u4f4dnew\u8868\u8fbe\u5f0f(placement-new)<\/h2>\n\n\n\n
                \u5b9a\u4f4dnew\u8868\u8fbe\u5f0f\u662f\u5728\u5df2\u5206\u914d\u7684\u539f\u59cb\u5185\u5b58\u7a7a\u95f4\u4e2d\u8c03\u7528\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n\n\n\n
                \u4f7f\u7528\u683c\u5f0f\uff1a<\/strong><\/p>\n\n\n\n
                \n
                new(place_address)type \u6216\u8005 new(place_address)type(initializer-list)<\/p>\n<\/blockquote>\n\n\n\n
                \u5176\u4e2dplace_address\u5fc5\u987b\u662f\u4e00\u4e2a\u6307\u9488\uff0cinitializer-list\u662f\u7c7b\u578b\u7684\u521d\u59cb\u5316\u5217\u8868\u3002<\/p>\n\n\n\n
                \u4f7f\u7528\u573a\u666f\uff1a<\/strong>
                \u5b9a\u4f4dnew\u8868\u8fbe\u5f0f\u5728\u5b9e\u9645\u4e2d\u4e00\u822c\u662f\u914d\u5408\u5185\u5b58\u6c60\u4f7f\u7528\uff0c\u56e0\u4e3a\u5185\u5b58\u6c60\u5206\u914d\u51fa\u7684\u5185\u5b58\u6ca1\u6709\u521d\u59cb\u5316\uff0c\u6240\u4ee5\u5982\u679c\u662f\u81ea\u5b9a\u4e49\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5c31\u9700\u8981\u4f7f\u7528\u5b9a\u4f4dnew\u8868\u8fbe\u5f0f\u8fdb\u884c\u663e\u793a\u8c03\u7528\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/p>\n\n\n\n
                #include <iostream>\nusing namespace std;\nclass A\n{\npublic:\n    A(int a = 0) \/\/\u6784\u9020\u51fd\u6570 \n        :_a(a)\n    {}\n\n    ~A() \/\/\u6790\u6784\u51fd\u6570\n    {}\nprivate:\n    int _a;\n};\nint main()\n{\n    \/\/new(place_address)type \u5f62\u5f0f\n    A* p1 = (A*)malloc(sizeof(A));\n    new(p1)A;\n\n    \/\/new(place_address)type(initializer-list) \u5f62\u5f0f\n    A* p2 = (A*)malloc(sizeof(A));\n    new(p2)A(2021);\n\n    \/\/\u6790\u6784\u51fd\u6570\u4e5f\u53ef\u4ee5\u663e\u793a\u8c03\u7528\n    p1->~A();\n    p2->~A();\n    return 0;\n}<\/code><\/pre>\n\n\n\n
                \u6ce8\u610f<\/strong>\uff1a\u5728\u672a\u4f7f\u7528\u5b9a\u4f4dnew\u8868\u8fbe\u5f0f\u8fdb\u884c\u663e\u793a\u8c03\u7528\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\u4e4b\u524d\uff0cmalloc\u7533\u8bf7\u7684\u7a7a\u95f4\u8fd8\u4e0d\u80fd\u7b97\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u53ea\u4e0d\u8fc7\u662f\u4e0eA\u5bf9\u8c61\u5927\u5c0f\u76f8\u540c\u7684\u4e00\u5757\u7a7a\u95f4\uff0c\u56e0\u4e3a\u6784\u9020\u51fd\u6570\u8fd8\u6ca1\u6709\u6267\u884c\u3002<\/p>\n\n\n\n
                \u5e38\u89c1\u9762\u8bd5\u9898<\/h2>\n\n\n\n
                malloc\/free\u548cnew\/delete\u7684\u533a\u522b\uff1f<\/h3>\n\n\n\n
                \u5171\u540c\u70b9\uff1a<\/strong><\/p>\n\n\n\n
                \u90fd\u662f\u4ece\u5806\u4e0a\u7533\u8bf7\u7a7a\u95f4\uff0c\u5e76\u4e14\u9700\u8981\u7528\u6237\u624b\u52a8\u91ca\u653e\u3002<\/p>\n\n\n\n
                \u4e0d\u540c\u70b9\uff1a<\/strong><\/p>\n\n\n\n
                  \n
                1. malloc\u548cfree\u662f\u51fd\u6570\uff0cnew\u548cdelete\u662f\u64cd\u4f5c\u7b26\u3002<\/li>\n\n\n\n
                2. malloc\u7533\u8bf7\u7684\u7a7a\u95f4\u4e0d\u4f1a\u521d\u59cb\u5316\uff0cnew\u7533\u8bf7\u7684\u7a7a\u95f4\u4f1a\u521d\u59cb\u5316\u3002<\/li>\n\n\n\n
                3. malloc\u7533\u8bf7\u7a7a\u95f4\u65f6\uff0c\u9700\u8981\u624b\u52a8\u8ba1\u7b97\u7a7a\u95f4\u5927\u5c0f\u5e76\u4f20\u9012\uff0cnew\u53ea\u9700\u5728\u5176\u540e\u8ddf\u4e0a\u7a7a\u95f4\u7684\u7c7b\u578b\u5373\u53ef\u3002<\/li>\n\n\n\n
                4. malloc\u7684\u8fd4\u56de\u503c\u662fvoid*\uff0c\u5728\u4f7f\u7528\u65f6\u5fc5\u987b\u5f3a\u8f6c\uff0cnew\u4e0d\u9700\u8981\uff0c\u56e0\u4e3anew\u540e\u8ddf\u7684\u662f\u7a7a\u95f4\u7684\u7c7b\u578b\u3002<\/li>\n\n\n\n
                5. malloc\u7533\u8bf7\u5931\u8d25\u65f6\uff0c\u8fd4\u56de\u7684\u662fNULL\uff0c\u56e0\u6b64\u4f7f\u7528\u65f6\u5fc5\u987b\u5224\u7a7a\uff0cnew\u4e0d\u9700\u8981\uff0c\u4f46\u662fnew\u9700\u8981\u6355\u83b7\u5f02\u5e38\u3002<\/li>\n\n\n\n
                6. \u7533\u8bf7\u81ea\u5b9a\u4e49\u7c7b\u578b\u5bf9\u8c61\u65f6\uff0cmalloc\/free\u53ea\u4f1a\u5f00\u8f9f\u7a7a\u95f4\uff0c\u4e0d\u4f1a\u8c03\u7528\u6784\u9020\u51fd\u6570\u548c\u6790\u6784\u51fd\u6570\uff0c\u800cnew\u5728\u7533\u8bf7\u7a7a\u95f4\u540e\u4f1a\u8c03\u7528\u6784\u9020\u51fd\u6570\u5b8c\u6210\u5bf9\u8c61\u7684\u521d\u59cb\u5316\uff0cdelete\u5728\u91ca\u653e\u7a7a\u95f4\u524d\u4f1a\u8c03\u7528\u6790\u6784\u51fd\u6570\u5b8c\u6210\u7a7a\u95f4\u4e2d\u8d44\u6e90\u7684\u6e05\u7406\u3002<\/li>\n<\/ol>\n\n\n\n
                  \u5185\u5b58\u6cc4\u6f0f<\/h3>\n\n\n\n
                  \u4ec0\u4e48\u662f\u5185\u5b58\u6cc4\u6f0f\uff0c\u5185\u5b58\u6cc4\u6f0f\u7684\u5371\u5bb3\uff1f<\/h4>\n\n\n\n
                  \u5185\u5b58\u6cc4\u6f0f\uff1a<\/strong><\/p>\n\n\n\n
                  \n
                  \u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u56e0\u4e3a\u758f\u5ffd\u6216\u9519\u8bef\u9020\u6210\u7a0b\u5e8f\u672a\u80fd\u91ca\u653e\u5df2\u7ecf\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\u7684\u60c5\u51b5\u3002\u5185\u5b58\u6cc4\u6f0f\u5e76\u4e0d\u662f\u6307\u5185\u5b58\u5728\u7269\u7406\u4e0a\u7684\u6d88\u5931\uff0c\u800c\u662f\u5e94\u7528\u7a0b\u5e8f\u5206\u914d\u67d0\u6bb5\u5185\u5b58\u540e\uff0c\u56e0\u4e3a\u8bbe\u8ba1\u9519\u8bef\uff0c\u5931\u53bb\u4e86\u5bf9\u8be5\u6bb5\u5185\u5b58\u7684\u63a7\u5236\uff0c\u56e0\u800c\u9020\u6210\u4e86\u5185\u5b58\u7684\u6d6a\u8d39\u3002<\/p>\n<\/blockquote>\n\n\n\n
                  \u5185\u5b58\u6cc4\u6f0f\u7684\u5371\u5bb3\uff1a<\/strong><\/p>\n\n\n\n
                  \n
                  \u957f\u671f\u8fd0\u884c\u7684\u7a0b\u5e8f\u51fa\u73b0\u5185\u5b58\u6cc4\u6f0f\uff0c\u5f71\u54cd\u5f88\u5927\uff0c\u5982\u64cd\u4f5c\u7cfb\u7edf\u3001\u540e\u53f0\u670d\u52a1\u7b49\u7b49\uff0c\u51fa\u73b0\u5185\u5b58\u6cc4\u6f0f\u4f1a\u5bfc\u81f4\u54cd\u5e94\u8d8a\u6765\u8d8a\u6162\uff0c\u6700\u7ec8\u5361\u6b7b\u3002<\/p>\n<\/blockquote>\n\n\n\n
                  void MemoryLeaks()\n{\n    \/\/ 1.\u5185\u5b58\u7533\u8bf7\u4e86\u5fd8\u8bb0\u91ca\u653e\n    int* p1 = (int*)malloc(sizeof(int));\n    int* p2 = new int;\n\n    \/\/ 2.\u5f02\u5e38\u5b89\u5168\u95ee\u9898\n    int* p3 = new int[10];\n    Func(); \/\/ \u8fd9\u91ccFunc\u51fd\u6570\u629b\u5f02\u5e38\u5bfc\u81f4 delete[] p3\u672a\u6267\u884c\uff0cp3\u6ca1\u88ab\u91ca\u653e.\n    delete[] p3;\n}<\/code><\/pre>\n\n\n\n
                  \u5185\u5b58\u6cc4\u6f0f\u5206\u7c7b\uff1f<\/h4>\n\n\n\n
                  \u5728C\/C++\u4e2d\u6211\u4eec\u4e00\u822c\u5173\u5fc3\u4e24\u79cd\u65b9\u9762\u7684\u5185\u5b58\u6cc4\u6f0f\uff1a
                  1\u3001\u5806\u5185\u5b58\u6cc4\u6f0f(Heap Leak)<\/p>\n\n\n\n
                  \n
                  \u5806\u5185\u5b58\u6307\u7684\u662f\u7a0b\u5e8f\u6267\u884c\u4e2d\u901a\u8fc7malloc\u3001calloc\u3001realloc\u3001new\u7b49\u4ece\u5806\u4e2d\u5206\u914d\u7684\u4e00\u5757\u5185\u5b58\uff0c\u7528\u5b8c\u540e\u5fc5\u987b\u901a\u8fc7\u8c03\u7528\u76f8\u5e94\u7684free\u6216\u8005delete\u91ca\u653e\u3002\u5047\u8bbe\u7a0b\u5e8f\u7684\u8bbe\u8ba1\u9519\u8bef\u5bfc\u81f4\u8fd9\u90e8\u5206\u5185\u5bb9\u6ca1\u6709\u88ab\u91ca\u653e\uff0c\u90a3\u4e48\u4ee5\u540e\u8fd9\u90e8\u5206\u7a7a\u95f4\u5c06\u65e0\u6cd5\u518d\u88ab\u4f7f\u7528\uff0c\u5c31\u4f1a\u4ea7\u751fHeapLeak\u3002<\/p>\n<\/blockquote>\n\n\n\n
                  2\u3001\u7cfb\u7edf\u8d44\u6e90\u6cc4\u6f0f<\/p>\n\n\n\n
                  \n
                  \u6307\u7a0b\u5e8f\u4f7f\u7528\u7cfb\u7edf\u5206\u914d\u7684\u8d44\u6e90\uff0c\u6bd4\u65b9\u5957\u63a5\u5b57\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001\u7ba1\u9053\u7b49\u6ca1\u6709\u4f7f\u7528\u5bf9\u5e94\u7684\u51fd\u6570\u91ca\u653e\u6389\uff0c\u5bfc\u81f4\u7cfb\u7edf\u8d44\u6e90\u7684\u6d6a\u8d39\uff0c\u4e25\u91cd\u53ef\u5bfc\u81f4\u7cfb\u7edf\u6548\u80fd\u51cf\u5c11\uff0c\u7cfb\u7edf\u6267\u884c\u4e0d\u7a33\u5b9a\u3002<\/p>\n<\/blockquote>\n\n\n\n
                  \u5982\u4f55\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff1f<\/h4>\n\n\n\n
                    \n
                  1. \u5de5\u7a0b\u524d\u671f\u826f\u597d\u7684\u8bbe\u8ba1\u89c4\u8303\uff0c\u517b\u6210\u826f\u597d\u7684\u7f16\u7801\u89c4\u8303\uff0c\u7533\u8bf7\u7684\u5185\u5b58\u7a7a\u95f4\u8bb0\u4f4f\u5339\u914d\u7684\u53bb\u91ca\u653e\u3002<\/li>\n\n\n\n
                  2. \u91c7\u7528RAII\u601d\u60f3\u6216\u8005\u667a\u80fd\u6307\u9488\u6765\u7ba1\u7406\u8d44\u6e90\u3002<\/li>\n\n\n\n
                  3. \u6709\u4e9b\u516c\u53f8\u5185\u90e8\u89c4\u8303\u4f7f\u7528\u5185\u90e8\u5b9e\u73b0\u7684\u79c1\u6709\u5185\u5b58\u7ba1\u7406\u5e93\uff0c\u8be5\u5e93\u81ea\u5e26\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7684\u529f\u80fd\u9009\u9879\u3002<\/li>\n\n\n\n
                  4. \u51fa\u95ee\u9898\u4e86\u4f7f\u7528\u5185\u5b58\u6cc4\u6f0f\u5de5\u5177\u68c0\u6d4b\u3002<\/li>\n<\/ol>\n\n\n\n
                    \u5185\u5b58\u6cc4\u6f0f\u975e\u5e38\u5e38\u89c1\uff0c\u89e3\u51b3\u65b9\u6848\u5206\u4e3a\u4e24\u79cd<\/strong>\uff1a
                    \u20031\u3001\u4e8b\u524d\u9884\u9632\u578b\u3002\u5982\u667a\u80fd\u6307\u9488\u7b49\u3002
                    \u20032\u3001\u4e8b\u540e\u67e5\u9519\u578b\u3002\u5982\u6cc4\u6f0f\u68c0\u6d4b\u5de5\u5177\u3002<\/p>\n\n\n\n
                    \u5982\u4f55\u4e00\u6b21\u5728\u5806\u4e0a\u7533\u8bf74G\u7684\u5185\u5b58\uff1f<\/h3>\n\n\n\n
                    \u5728\u5806\u4e0a\u7533\u8bf74G\u7684\u5185\u5b58\uff1a<\/p>\n\n\n\n
                    #include <iostream>\nusing namespace std;\nint main()\n{\n    \/\/0xffffffff\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u5c31\u662f4G\n    void* p = malloc(0xfffffffful);\n    cout << p << endl;\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n
                    \u572832\u4f4d\u7684\u5e73\u53f0\u4e0b\uff0c\u5185\u5b58\u5927\u5c0f\u4e3a4G\uff0c\u4f46\u662f\u5806\u53ea\u5360\u4e86\u5176\u4e2d\u76842G\u5de6\u53f3\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u53ef\u80fd\u572832\u4f4d\u7684\u5e73\u53f0\u4e0b\uff0c\u4e00\u6b21\u6027\u5728\u5806\u4e0a\u7533\u8bf74G\u7684\u5185\u5b58\u3002\u8fd9\u65f6\u6211\u4eec\u53ef\u4ee5\u5c06\u7f16\u8bd1\u5668\u4e0a\u7684win32\u6539\u4e3ax64\uff0c\u537364\u4f4d\u5e73\u53f0\uff0c\u8fd9\u6837\u6211\u4eec\u4fbf\u53ef\u4ee5\u4e00\u6b21\u6027\u5728\u5806\u4e0a\u7533\u8bf74G\u7684\u5185\u5b58\u4e86\u3002\"image-20260321234504638\"<\/p>\n\n\n\n
                    <\/p>\n","protected":false},"excerpt":{"rendered":"
                    C\/C++\u5185\u5b58\u5206\u5e03 \u8ba9\u6211\u4eec\u5148\u6765\u770b\u770b\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\uff1a \u4f60\u77e5\u9053\u4ee3\u7801\u4e2d\u7684\u5404\u4e2a\u90e8\u5206\u5206\u522b\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u54ea\u4e00\u4e2a\u533a\u57df\u5417\uff1f \u3010\u8bf4 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[17],"class_list":["post-75","post","type-post","status-publish","format-standard","hentry","category-cpp","category-learn","tag-17"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/75","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=75"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/75\/revisions"}],"predecessor-version":[{"id":76,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/75\/revisions\/76"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=75"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=75"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=75"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}