{"id":993,"date":"2025-05-02T12:34:33","date_gmt":"2025-05-02T04:34:33","guid":{"rendered":"https:\/\/eve2333.top\/?p=993"},"modified":"2025-05-02T12:34:34","modified_gmt":"2025-05-02T04:34:34","slug":"%e5%ad%a6%e4%b9%a0%ef%bc%9a%e5%86%85%e5%ad%98%e6%98%af%e6%80%8e%e6%a0%b7%e4%b8%80%e6%ad%a5%e6%ad%a5%e8%a2%ab%e5%88%86%e9%85%8d%e5%87%ba%e6%9d%a5%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=993","title":{"rendered":"\u5b66\u4e60\uff1a\u5185\u5b58\u662f\u600e\u6837\u4e00\u6b65\u6b65\u88ab\u5206\u914d\u51fa\u6765\u7684\uff1f"},"content":{"rendered":"\n<p>\u6211\u4eec\u7533\u8bf7\u4e00\u5757\u5185\u5b58\u65f6\u8ba1\u7b97\u673a\u5185\u90e8\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f\u770b\u4e0b\u8fd9\u53e5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int*p=(int*)malloc(sizeof(int));<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6709\u4e24\u90e8\u5206\uff0c\u4e00\u4e2a\u662fmalloc\uff0c\u518d\u4e00\u4e2a\u662f\u4f60\u5199\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>malloc\u5b9e\u9645\u4e0a\u5c5e\u4e8e\u6807\u51c6\u5e93\uff0c\u6807\u51c6\u5e93\u91cc\u6709\u4ec0\u4e48\u5462\uff1f\u6570\u5b66\u76f8\u5173\u7684\u51fd\u6570\uff0csin\u3001cos\u3001\u7edd\u5bf9\u503c\u3001\u6570\u5e42\u51fd\u6570\u7b49\uff1b\u5b57\u7b26\u76f8\u5173\u51fd\u6570\uff0c\u5224\u65ad\u5927\u5c0f\u5199\u7b49\uff1b\u5b57\u7b26\u4e32\u64cd\u4f5c\u51fd\u6570\u3001\u5b57\u7b26\u4e32\u62f7\u8d1d\u3001\u62fc\u63a5\u6bd4\u8f83\u7b49\uff1b\u5f53\u7136\u8fd8\u6709\u5185\u5b58\u7ba1\u7406\u51fd\u6570\uff0c\u5c31\u662f\u8fd9\u91cc\u63d0\u5230\u7684malloc\/free\uff0c\u5f53\u7136\u8fd8\u6709\u5f88\u591a\u5176\u5b83\u51fd\u6570\uff0c\u8fd9\u5c31\u662f\u6807\u51c6\u5e93\u3002 \u4ecemath\u7684sin\uff0ccos\uff0cpow\u5230string\u7684strcmp\uff0cstrcat\uff0cstrcpy\uff0c\u6216\u8005malloc\u548cfree\uff0cislower\uff0cisupper\uff0cisalpha\uff0cisdigit<\/p>\n\n\n\n<p>\u518d\u6765\u770b\u4f60\u5199\u7684\u4ee3\u7801\uff0c\u4ec0\u4e48\u662f\u4f60\u5199\u7684\u4ee3\u7801\u5462\uff1f\u4ee5c\u8bed\u8a00\u4e3a\u4f8b\uff0c.c\u6587\u4ef6\u5c31\u662f\u4f60\u5199\u7684\u4ee3\u7801\uff0c\u8fd9\u5305\u62ec\u4f60\u5199\u7684hello world\u7a0b\u5e8f\u3001\u7ec3\u4e60\u7a0b\u5e8f\uff0c\u8fd8\u6709\u5404\u79cd\u9879\u76ee\u3002\u8fd9\u5c31\u662f\u4f60\u5199\u7684\u4ee3\u7801\u3002\u8fd9\u4e9b\u4ee3\u7801\u600e\u4e48\u53d8\u6210\u6700\u7ec8\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\u5462\uff1f\u5f53\u7136\u662f\u501f\u52a9\u7f16\u8bd1\u5668\u3002\u7f16\u8bd1\u5668\u4f1a\u628a\u4f60\u7684\u4ee3\u7801\u7f16\u8bd1\u6210\u76ee\u6807\u6587\u4ef6\u3002\u63a5\u7740\u94fe\u63a5\u5668\u51fa\u573a\uff0c\u8fde\u63a5\u5668\u4f1a\u628a\u76ee\u6807\u6587\u4ef6\u548c\u6807\u51c6\u5e93\u6253\u5305\u6210\u53ef\u6267\u884c\u7a0b\u5e8f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"273\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591452-image-1024x273.png\" alt=\"\" class=\"wp-image-994\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591452-image-1024x273.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591452-image-300x80.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591452-image-768x205.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591452-image.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" 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class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"593\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591917-image-1024x593.png\" alt=\"\" class=\"wp-image-996\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591917-image-1024x593.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591917-image-300x174.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591917-image-768x444.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745591917-image.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u548c\u50a8\u7269\u67dc\u4e00\u6837\uff0c\u5185\u5b58\u4e2d\u7684\u6bcf\u4e2a\u9694\u95f4\u4e5f\u6709\u4e00\u4e2a\u7f16\u53f7\uff0c\u8fd9\u4e2a\u7f16\u53f7\u53eb\u505a\u5185\u5b58\u5730\u5740\u3002\u5728\u6211\u4eec\u7684\u5b9e\u4f8b\u4e2d\uff0c\u7533\u8bf7\u7684\u8fd9\u5757\u5185\u5b58\u4f4d\u4e8e\u5185\u5b58\u5730\u57402\u8fd9\u4e2a\u4f4d\u7f6e\uff0c\u8fd9\u610f\u5473\u7740\u4ec0\u4e48\u55ef\uff1f\u8fd9\u610f\u5473\u7740\u53d8\u91cfp\u7b49\u4e8e\u6570\u5b572\uff0c\u6216\u8005\u8bf4\u7b49\u4e8e\u5185\u5b58\u5730\u57402\uff0c\u8fd9\u91cc\u7684p\u5c31\u662f\u6240\u8c13\u7684\u6307\u9488\u3002<\/p>\n\n\n\n<p>\u63a5\u7740\u6211\u4eec\u770b\u5185\u5b58\u5206\u914d\u8fc7\u7a0b\u3002\u8fd9\u6bb5\u4ee3\u7801\u5f53\u7136\u5c5e\u4e8e\u7f16\u8bd1\u540e\u751f\u6210\u7684\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u53ef\u6267\u884c\u7a0b\u5e8f\u662f\u5728\u5185\u5b58\u4e2d\u8fd0\u884c\u7684\uff0c\u5f53\u7136\u6211\u4eec\u9700\u8981\u4e3a\u6574\u4e2a\u7a0b\u5e8f\u5206\u914d\u4e00\u5757\u5185\u5b58\u3002\u7a0b\u5e8f\u7684\u8fd0\u884c\u4f9d\u8d56\u6808\u533a\uff0c\u8fd9\u91cc\u5b58\u653e\u7740\u5c40\u90e8\u53d8\u91cf\u7b49\u4fe1\u606f\uff1b\u4f9d\u8d56\u5806\u533a\uff0c\u8fd9\u91cc\u5b58\u653e\u7740\u7a0b\u5e8f\u5458\u81ea\u5df1\u7ba1\u7406\u7684\u52a8\u6001\u7533\u8bf7\u7684\u5185\u5b58\uff0c\u5173\u4e8e<strong>\u5806\u533a\u548c\u6808\u533a<\/strong>\uff0c\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5185\u5b58\u5206\u914d\u65b9\u5f0f\u548c\u751f\u547d\u5468\u671f\uff1a\u6808\u533a\u7531\u7cfb\u7edf\u81ea\u52a8\u7ba1\u7406\uff08\u5982\u51fd\u6570\u5c40\u90e8\u53d8\u91cf\u968f\u51fd\u6570\u9000\u51fa\u81ea\u52a8\u91ca\u653e\uff09\uff0c\u800c\u5806\u533a\u9700\u7a0b\u5e8f\u5458\u624b\u52a8\u7533\u8bf7\uff08malloc\/new\uff09\u548c\u91ca\u653e\uff08free\/delete\uff09\uff0c\u5176\u751f\u547d\u5468\u671f\u6301\u7eed\u5230\u663e\u5f0f\u91ca\u653e\u4e3a\u6b62<\/p>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\u8fd8\u4f9d\u8d56<strong>\u4ee3\u7801\u533a<\/strong>\uff0c\u8fd9\u91cc\u4fdd\u5b58\u7684\u5c31\u662f\u7f16\u8bd1\u540e\u7684\u4e4b\u7c7b\uff1b\u8fd8\u6709<strong>\u6570\u636e\u533a<\/strong>\uff0c\u8fd9\u91cc\u4fdd\u5b58\u7740\u5168\u5c40\u53d8\u91cf\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u533a\u57df\u5728\u5185\u5b58\u4e2d\u7684\u5e03\u5c40\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<p><strong>\u6808\u533a <\/strong>\uff1a\u5411\u4e0b\u589e\u957f\uff0c\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u548c\u51fd\u6570\u8c03\u7528\u4fe1\u606f\uff0c\u5185\u5b58\u5206\u914d\u91ca\u653e\u9075\u5faa\u540e\u8fdb\u5148\u51fa\u539f\u5219<br><strong>\u5806\u533a <\/strong>\uff1a\u5411\u4e0a\u589e\u957f\uff0c\u5b58\u50a8\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58\u5757\uff0c\u9700\u901a\u8fc7\u6307\u9488\u64cd\u4f5c\u4e14\u9700\u624b\u52a8\u7ba1\u7406<br><strong>\u4ee3\u7801\u533a <\/strong>\uff1a\u5b58\u653e\u7f16\u8bd1\u540e\u7684\u4e8c\u8fdb\u5236\u6307\u4ee4\uff0c\u901a\u5e38\u4e3a\u53ea\u8bfb\u4fdd\u62a4<br><strong>\u6570\u636e\u533a <\/strong>\uff1a\u5b58\u653e\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf\uff0c\u751f\u547d\u5468\u671f\u8d2f\u7a7f\u6574\u4e2a\u7a0b\u5e8f\u8fd0\u884c<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"596\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745592513-image-1024x596.png\" alt=\"\" class=\"wp-image-997\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745592513-image-1024x596.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745592513-image-300x175.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745592513-image-768x447.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745592513-image.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u518d\u6b21\u5f3a\u8c03\u4e0b\uff0c\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u4f4d\u4e8e\u4ee3\u7801\u533a\uff0cmalloc\u52a8\u6001\u7533\u8bf7\u7684\u5185\u5b58\u4f4d\u4e8e\u5806\u533a\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u53ea\u5173\u6ce8\u5806\u533a\u3002\u5728\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c\u65f6\u5806\u533a\u5f53\u7136\u662f\u7a7a\u7684\uff0c\u90a3\u4e48\u6240\u8c13\u7684\u5185\u5b58\u5206\u914d\u5230\u5e95\u662f\u4ec0\u4e48\u5462\uff1f\u5982\u679c\u8ba9\u4f60\u5b9e\u73b0\u5185\u5b58\u5206\u914d\u5668\u8be5\u600e\u4e48\u505a\u5230\u5462\uff1f\u5f88\u7b80\u5355\uff0c\u5176\u5b9e\u5185\u5b58\u5206\u914d\u5c31\u662f\u5212\u5206\u5730\u76d8\u3002<\/p>\n\n\n\n<p>\u6b64\u65f6\u8981\u5206\u914d\u7b2c\u4e00\u5757\u5927\u5c0f\u4e3aA\u7684\u5185\u5b58\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u628aA\u653e\u5728\u54ea\u91cc\u5462\uff1f\u56e0\u4e3a\u6b64\u65f6\u5806\u533a\u662f\u7a7a\u7684\uff0c\u663e\u7136\u4f60\u53ef\u4ee5\u628a\u5f00\u59cb\u8fd9\u4e2a\u4f4d\u7f6e\u5212\u5206\u7ed9A\uff0c\u4f5c\u4e3aA\u7684\u5730\u76d8\uff0c\u627e\u5230A\u7684\u5730\u76d8\u540emalloc\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\uff0c\u5185\u5b58\u5206\u914d\u8fc7\u7a0b\u7ed3\u675f\uff0c\u662f\u4e0d\u662f\u5f88\u7b80\u5355\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"600\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745593384-image-1024x600.png\" alt=\"\" class=\"wp-image-998\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745593384-image-1024x600.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745593384-image-300x176.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745593384-image-768x450.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745593384-image.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u63a5\u7740\u7a0b\u5e8f\u5458\u53c8\u5f00\u59cb\u7533\u8bf7\u5927\u5c0f\u4e3aB\u7684\u5185\u5b58\uff0c\u9053\u7406\u548cA\u4e00\u6837\uff0c\u628aA\u4e4b\u540e\u7684\u5730\u76d8\u7ed9B\u5373\u53ef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"630\" 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