{"id":8318,"date":"2026-04-01T22:24:02","date_gmt":"2026-04-01T13:24:02","guid":{"rendered":"https:\/\/www.vincentina.net\/?p=8318"},"modified":"2026-04-01T22:24:02","modified_gmt":"2026-04-01T13:24:02","slug":"%e8%a3%9c%e8%b6%b3%e6%8e%88%e6%a5%ad7-2%e6%ac%a1%e5%85%83%e9%85%8d%e5%88%97%e3%82%92malloc%e3%81%a7%e7%a2%ba%e4%bf%9d%e3%81%99%e3%82%8b%e3%81%a8%e3%81%93%e3%82%93%e3%81%aa%e5%bc%b1%e7%82%b9%e3%81%8c","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=8318","title":{"rendered":"\u88dc\u8db3\u6388\u696d7. 2\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u78ba\u4fdd\u3059\u308b\u3068\u3053\u3093\u306a\u5f31\u70b9\u304c\u3067\u304d\u308b\u8a71"},"content":{"rendered":"\n<p>\u4eca\u56de\u306f\u88dc\u8db3\u6388\u696d6\u3067\u53d6\u308a\u4e0a\u3052\u305f10\u7ae0\u306e\u6700\u5f8c\u306b\u3054\u3057\u3087\u3054\u3057\u3087\u3063\u3068\u66f8\u3044\u3066\u3044\u305f\u3053\u3068\u306b\u3064\u3044\u3066\u632f\u308a\u8fd4\u308d\u3046\u3002\u4eca\u56de\u306f\u3061\u3087\u3063\u3068\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u5909\u3048\u3066\u3001\u300c\u5f53\u6642\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u89e3\u6c7a\u3059\u308b\u300d\u304b\u3089\u3001\u7406\u89e3\u3057\u304d\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u7a74\u57cb\u3081\u3059\u308b\u88dc\u5b8c\u8a08\u753b\u306b\u3057\u3088\u3046\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f3c\u3066\u308b\u3051\u3069\u9055\u3046\u3082\u306e<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nint *p&#x5B;15];\n\nint (*p)&#x5B;15];\n\n<\/pre><\/div>\n\n\n<p>\u306f\u610f\u5473\u304c\u9055\u3046\u3002\u3068\u3044\u3046\u306e\u304c\u5f53\u6642\u6d41\u884c\u3063\u305f\u3002\u5a92\u4f53\u306f\u4f55\u304b\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3093\u3060\u3051\u3069\u3001\u4f55\u304b\u7d50\u69cb\u6d41\u884c\u3063\u305f\u3068\u3044\u3046\u8a18\u61b6\u3060\u3051\u6b8b\u3063\u3066\u3044\u3066\u3001\u5f53\u6642\u3082\u305d\u308c\u306a\u308a\u306b\u8abf\u3079\u3066\u306a\u30fc\u308b\u307b\u3069\u30fc\u3068\u601d\u3063\u305f\u306f\u305a\u3067\u306f\u3042\u308b\u304c\u3001\u3058\u3083\u3042\u5177\u4f53\u7684\u306b\u4f55\u304c\u3069\u3046\u9055\u3046\u306e\u304b\u3068\u8a00\u308f\u308c\u308b\u3068\u3001\u3046\u30fc\u3093\u3002\u308f\u304b\u3089\u306a\u3044\u301c\u3002<\/p>\n\n\n\n<p>\u3063\u3066\u3053\u3068\u3067\u8abf\u3079\u3066\u3044\u304f\u3002<\/p>\n\n\n\n<p>C\u8a00\u8a9e\u306e\u5ba3\u8a00\u306f\u5909\u6570\u540d\u304b\u3089\u51fa\u767a\u3057\u3066\u53f3\u3092\u898b\u3066\u3001\u6b21\u306b\u5de6\u3092\u898b\u3066\u3001\u3068\u3044\u3046\u9806\u756a\u3067\u8aad\u3093\u3067\u3044\u304f\u3002<\/p>\n\n\n\n<p>\u307e\u305a <code>int *p[15]<\/code> \u306e\u65b9\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nint *p&#x5B;15];\n\n<\/pre><\/div>\n\n\n<p><code>p<\/code> \u304b\u3089\u51fa\u767a \u2192 \u53f3\u306b <code>[15]<\/code> \u304c\u3042\u308b \u2192 \u300c15\u500b\u306e\u914d\u5217\u300d\u2192 \u5de6\u306b <code>*<\/code> \u304c\u3042\u308b \u2192 \u300c\u30dd\u30a4\u30f3\u30bf\u306e\u300d\u2192 \u5de6\u306b <code>int<\/code> \u304c\u3042\u308b \u2192 \u300cint\u578b\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u300115\u500b\u306e\u914d\u5217\u300d<\/p>\n\n\n\n<p>\u6b21\u306b <code>int (*p)[15]<\/code> \u306e\u65b9\u3002<code>()<\/code> \u306f\u8aad\u3080\u9806\u756a\u3092\u5909\u3048\u308b\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3067\u3001\u300c\u3053\u3053\u304b\u3089\u5148\u306b\u8aad\u3081\u300d\u3068\u3044\u3046\u6307\u793a\u306b\u306a\u308b\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nint (*p)&#x5B;15];\n\n<\/pre><\/div>\n\n\n<p><code>()<\/code> \u306e\u4e2d\u306e <code>p<\/code> \u304b\u3089\u51fa\u767a \u2192 <code>()<\/code> \u306e\u4e2d\u3067\u5de6\u306b <code>*<\/code> \u304c\u3042\u308b \u2192 \u300c\u30dd\u30a4\u30f3\u30bf\u300d\u2192 <code>()<\/code> \u3092\u51fa\u3066\u53f3\u306b <code>[15]<\/code> \u304c\u3042\u308b \u2192 \u300c15\u500b\u306e\u914d\u5217\u3078\u306e\u300d\u2192 \u5de6\u306b <code>int<\/code> \u304c\u3042\u308b \u2192 \u300cint\u578b15\u500b\u306e\u914d\u5217\u3078\u306e\u3001\u30dd\u30a4\u30f3\u30bf\u300d<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nint *p&#x5B;15];    \/* p\u306f\u914d\u5217(15\u500b)\u3001\u4e2d\u8eab\u306fint\u3078\u306e\u30dd\u30a4\u30f3\u30bf *\/\nint (*p)&#x5B;15];  \/* p\u306f\u30dd\u30a4\u30f3\u30bf\u3001\u6307\u3059\u5148\u306fint&#x5B;15]\u306e\u914d\u5217 *\/\n\n<\/pre><\/div>\n\n\n<p><code>()<\/code> \u304c\u306a\u3051\u308c\u3070\u53f3\u306e <code>[]<\/code> \u304c\u5148\u306b\u8aad\u307e\u308c\u3066\u914d\u5217\u304c\u4e3b\u8a9e\u306b\u306a\u308b\u3001<code>()<\/code> \u3067\u56f2\u3081\u3070\u30dd\u30a4\u30f3\u30bf\u304c\u5148\u306b\u8aad\u307e\u308c\u3066\u30dd\u30a4\u30f3\u30bf\u304c\u4e3b\u8a9e\u306b\u306a\u308b\u3002\u3068\u3044\u3046\u611f\u3058\u3060\u3002<\/p>\n\n\n\n<p>\u4f3c\u3066\u308b\u3088\u3046\u3067\u5168\u7136\u9055\u3046\u3082\u306e\u3060\u3063\u305f\u3002\u3068\u3044\u3046\u306e\u304c\u305d\u3082\u305d\u3082\u306e\u30cd\u30bf\u3067\u3002<br>\u3061\u3083\u3093\u3068\u7406\u89e3\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u3048\u3089\u3044\u3053\u3068\u306b\u306a\u308b\u3084\u3064\u3060\u3068\u601d\u3046\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u78ba\u4fdd\u3059\u308b\u5f31\u70b9<\/h3>\n\n\n\n<p>10\u7ae0\u30672\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u52d5\u7684\u306b\u78ba\u4fdd\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u3044\u3066\u3001\u3053\u3093\u306a\u3053\u3068\u304c\u8d77\u304d\u3066\u3044\u305f\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n2\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u78ba\u4fdd\u3059\u308b\n\n\u6587\u5b57\u5217\u306f\u4f55\u500b\uff1a 3\np&#x5B;0] : fwagjfpawfhawh4t08awyhtg08awyharghawrgarga\np&#x5B;1] : jfawfjawhfawfhawufh0a8hw04awhfa\np&#x5B;2] : afhwhffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\np&#x5B;0] = fwagjfpawfhawh4jfawfjawhfawfhaafhwhffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\np&#x5B;1] = jfawfjawhfawfhaafhwhffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\np&#x5B;2] = afhwhffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n\n<\/pre><\/div>\n\n\n<p>\u5165\u529b\u3057\u305f\u3068\u304d\u3068\u8868\u793a\u3057\u305f\u3068\u304d\u3067\u5185\u5bb9\u304c\u5909\u308f\u3063\u3066\u3044\u308b\u3002<code>p[0]<\/code> \u306e\u8868\u793a\u304c <code>p[1]<\/code> \u3084 <code>p[2]<\/code> \u306e\u5185\u5bb9\u3068\u3064\u306a\u304c\u3063\u3061\u3083\u3063\u3066\u308b\u3002\u3055\u3089\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d42\u4e86\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n*** glibc detected *** .\/a.out: free(): invalid next size (fast): 0x0000000001088010 ***\n\n<\/pre><\/div>\n\n\n<p>\u3053\u3093\u306a\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u30a2\u30dc\u30fc\u30c8\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u95a2\u3057\u3066\u306f\u8a18\u61b6\u3082\u6b8b\u3063\u3066\u306a\u304f\u3066\u3001\u306a\u3093\u3058\u3083\u3053\u308a\u3083\u306a\u8a8d\u8b58\u3060\u3002<br>\u6539\u3081\u3066AI\u30cb\u30ad\u3068\u4e00\u7dd2\u306b\u898b\u3066\u307f\u308b\u3068\u3001\u3053\u308c\u306f\u30d2\u30fc\u30d7\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3068\u3044\u3046\u73fe\u8c61\u3060\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u5404\u884c\u3092\u56fa\u5b9a\u306e\u5c0f\u3055\u3044\u30b5\u30a4\u30ba\u3067malloc\u3057\u3066\u3044\u3066\u3001\u5b9f\u969b\u306b\u5165\u529b\u3055\u308c\u305f\u6587\u5b57\u5217\u304c\u305d\u306e\u78ba\u4fdd\u3057\u305f\u30b5\u30a4\u30ba\u3092\u8d85\u3048\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3002malloc\u3067\u78ba\u4fdd\u3057\u305f\u30e1\u30e2\u30ea\u306e\u9818\u57df\u3092\u8d85\u3048\u3066\u66f8\u304d\u8fbc\u3093\u3067\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u96a3\u306e\u9818\u57df\u306b\u4fb5\u5165\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3001\u30d2\u30fc\u30d7\u4e0a\u3067\u96a3\u308a\u5408\u3063\u3066\u3044\u308b <code>p[1]<\/code> \u3084 <code>p[2]<\/code> \u306e\u9818\u57df\u3092\u8e0f\u307f\u8352\u3089\u3057\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3089\u3057\u3044\u3002\u3048\u3089\u3044\u3053\u3068\u3057\u3066\u308b\u306a\u3002<\/p>\n\n\n\n<p>\u3060\u304b\u3089 <code>p[0]<\/code> \u3092\u8868\u793a\u3059\u308b\u3068 <code>p[1]<\/code> \u3084 <code>p[2]<\/code> \u306e\u5185\u5bb9\u307e\u3067\u898b\u3048\u3066\u3057\u307e\u3046\u3002\u30e1\u30e2\u30ea\u4e0a\u3067\u5730\u7d9a\u304d\u3060\u304b\u3089\u3001\u30cc\u30eb\u6587\u5b57\u306b\u5f53\u305f\u308b\u307e\u3067\u30ba\u30eb\u30ba\u30eb\u3068\u8aad\u307f\u7d9a\u3051\u3066\u3057\u307e\u3046\u306e\u3060\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\u6700\u5f8c\u306e <code>free()<\/code> \u306e\u30a8\u30e9\u30fc\u3002\u3053\u308c\u306fglibc\u304c\u30e1\u30e2\u30ea\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u3063\u3066\u3044\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u3001\u3064\u307e\u308a\u30d2\u30fc\u30d7\u306e\u7ba1\u7406\u60c5\u5831\u304c\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306b\u3088\u3063\u3066\u58ca\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u305f\u3081\u306b\u8d77\u304d\u3066\u3044\u308b\u3002free\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u7ba1\u7406\u60c5\u5831\u304c\u304a\u304b\u3057\u304f\u306a\u3063\u3066\u3044\u3066\u3001\u300c\u3053\u308c\u58ca\u308c\u3066\u308b\u3093\u3067\u3059\u3051\u3069\u300d\u3068glibc\u304c\u6012\u3063\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u69cb\u56f3\u3002<\/p>\n\n\n\n<p>\u6574\u7406\u3059\u308b\u3068\u3001\u5f31\u70b9\u3068\u3044\u3046\u306e\u306f\u3053\u3046\u3044\u3046\u3053\u3068\u3060\u3068\u601d\u3046\u30022\u6b21\u5143\u914d\u5217\u3092\u884c\u3054\u3068\u306bmalloc\u3067\u78ba\u4fdd\u3059\u308b\u65b9\u5f0f\u306f\u3001\u5404\u884c\u306e\u30b5\u30a4\u30ba\u3092\u81ea\u5206\u3067\u7ba1\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u78ba\u4fdd\u3057\u305f\u30b5\u30a4\u30ba\u3088\u308a\u5927\u304d\u3044\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3093\u3067\u3082malloc\u306f\u4f55\u3082\u8a00\u308f\u306a\u3044\u3002\u9759\u304b\u306b\u96a3\u306e\u9818\u57df\u3092\u58ca\u3059\u3002\u914d\u5217\u306e\u3088\u3046\u306b\u6dfb\u3048\u5b57\u3067\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u8b66\u544a\u304c\u51fa\u308b\u74b0\u5883\u3082\u3042\u308b\u3051\u3069\u3001malloc\u3067\u78ba\u4fdd\u3057\u305f\u9818\u57df\u306b\u306f\u305d\u3046\u3044\u3046\u89aa\u5207\u306a\u4ed5\u7d44\u307f\u304c\u306a\u3044\u3002\u81ea\u7531\u306e\u4ee3\u511f\u3068\u3044\u3046\u304b\u3001\u5168\u90e8\u81ea\u5df1\u8cac\u4efb\u306e\u4e16\u754c\u3002<\/p>\n\n\n\n<p>\u306a\u3093\u3067\u3053\u3093\u306a\u95a2\u6570\u304c\u6b8b\u3063\u3066\u308b\u3093\u3060\u3068\u5c0b\u306d\u3066\u307f\u308b\u3068\u3001\u901f\u3055\u3068\u5f15\u304d\u63db\u3048\u306e\u81ea\u5df1\u8cac\u4efb\u307f\u305f\u3044\u306a\u3093\u3084\u308d\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u6559\u8a13\u3068\u3057\u3066\u306f\u3001malloc\u3067\u6587\u5b57\u5217\u7528\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u306a\u3089\u3001\u5165\u529b\u306e\u9577\u3055\u3092\u5148\u306b\u8abf\u3079\u3066\u304b\u3089\u305d\u306e\u30b5\u30a4\u30ba\u5206\u78ba\u4fdd\u3059\u308b\u304b\u3001\u5341\u5206\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u78ba\u4fdd\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f <code>fgets<\/code> \u307f\u305f\u3044\u306b\u8aad\u307f\u8fbc\u307f\u30b5\u30a4\u30ba\u3092\u5236\u9650\u3059\u308b\u95a2\u6570\u3092\u4f7f\u3046\u304b\u3001\u4f55\u3089\u304b\u306e\u5bfe\u7b56\u304c\u5fc5\u8981\u3060\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">malloc\u3068calloc\u306e\u9055\u3044<\/h3>\n\n\n\n<p>\u3064\u3044\u3067\u306b\u3001\u3068\u3044\u3046\u304b10\u7ae0\u3067\u51fa\u3066\u304d\u305f\u306e\u3067\u30e1\u30e2\u3057\u3066\u3044\u305f\u3082\u306e\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n\/* malloc *\/\n#include &amp;lt;stdlib.h&amp;gt;\nvoid *malloc(size_t size);\n\n\/* calloc *\/\n#include &amp;lt;stdlib.h&amp;gt;\nvoid *calloc(size_t nmemb, size_t size);\n\n<\/pre><\/div>\n\n\n<p>malloc\u306f\u6307\u5b9a\u3057\u305f\u30d0\u30a4\u30c8\u6570\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u3002\u78ba\u4fdd\u3059\u308b\u3060\u3051\u3002\u4e2d\u8eab\u306f\u4e0d\u5b9a\u3001\u3064\u307e\u308a\u30b4\u30df\u304c\u5165\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u306a\u306e\u3067\u78ba\u4fdd\u3057\u305f\u3089\u307e\u305aNULL\u30c1\u30a7\u30c3\u30af\u3001\u4e2d\u8eab\u306fmemset\u3067\u30bc\u30ed\u57cb\u3081\u3001\u3068\u3044\u3046\u306e\u304c\u5b9a\u77f3\u306b\u306a\u308b\u3002\u30bc\u30ed\u5024\u3068nil\u3002\u306a\u3093\u3060Go\u304b\u3002<\/p>\n\n\n\n<p>calloc\u306f\u300c\u8981\u7d20\u6570 \u00d7 \u8981\u7d20\u30b5\u30a4\u30ba\u300d\u3067\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3066\u3001\u3055\u3089\u306b\u5168\u90e8\u30bc\u30ed\u3067\u521d\u671f\u5316\u3057\u3066\u304f\u308c\u308b\u3002malloc \u304c1979\u5e74\u3054\u308d\u306e\u95a2\u6570\u3002\u306a\u308b\u307b\u3069\u305d\u308c\u3067calloc \u304c\u3067\u304d\u305f\u306e\u304b\u30fc\u3002\u3075\u3080\u3075\u3080\u3068\u305d\u3046\u3044\u3046\u6d41\u308c\u306b\u306a\u308b\u306f\u305a\u306a\u3093\u3060\u3051\u308c\u3069\u3001calloc\u306fVersion 6 Unix\uff081975\u5e74\uff09\u306e\u6642\u70b9\u3067\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u3066\u3001malloc\u304c\u73fe\u5728\u306e\u5f62\u306b\u306a\u3063\u305f\u306e\u306fVersion 7 Unix\uff081979\u5e74\uff09\u3042\u305f\u308a\u3002\u305f\u3060\u3057\u521d\u671f\u306e\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u95a2\u6570\u81ea\u4f53\u306f\u540c\u6642\u671f\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u3066\u3001\u300ccalloc\u306e\u65b9\u304c\u5148\u306b\u6a19\u6e96\u5316\u3055\u308c\u305f\u300d<br>\u3053\u306e\u307e\u307e\u305d\u3063\u3068\u30d6\u30e9\u30a6\u30b6\u3092\u9589\u3058\u305f\u65b9\u304c\u3088\u3044\u6c17\u304c\u3057\u3066\u304d\u305f\u3067\u3002<\/p>\n\n\n\n<p>\u5f53\u6642\u306f\u306a\u305c\u304bmalloc\u4e00\u7b4b\u3060\u3063\u305f\u306e\u3067\u3001calloc\u306e\u5b58\u5728\u306f\u77e5\u3063\u3066\u3044\u305f\u3051\u3069\u4f7f\u3063\u305f\u3053\u3068\u304c\u306a\u304b\u3063\u305f\u6c17\u304c\u3059\u308b\u3002\u30bc\u30ed\u521d\u671f\u5316\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306f\u3001malloc\u3057\u3066\u304b\u3089memset\u30670\u57cb\u3081\u3059\u308b\u307f\u305f\u3044\u306a\u3053\u3068\u3092\u3084\u3063\u3066\u3044\u305f\u3002calloc\u306a\u3089\u305d\u308c\u3092\u4e00\u767a\u3067\u3084\u3063\u3066\u304f\u308c\u308b\u306e\u3060\u304b\u3089\u3001\u7d20\u76f4\u306bcalloc\u3092\u4f7f\u3048\u3070\u3088\u304b\u3063\u305f\u306e\u3060\u3002<\/p>\n\n\n\n<p>\u3082\u3046\u3072\u3068\u3064\u5730\u5473\u306b\u5927\u4e8b\u306a\u306e\u306f\u3001malloc\u3060\u3068\u81ea\u5206\u3067\u30b5\u30a4\u30ba\u3092\u8a08\u7b97\u3057\u3066\u6e21\u3059\u304b\u3089\u3001\u5de8\u5927\u306a\u5024\u3092\u639b\u3051\u7b97\u3057\u305f\u7d50\u679c\u304c\u6841\u3042\u3075\u308c\u3057\u3066\u5c0f\u3055\u3044\u5024\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3001\u307f\u305f\u3044\u306a\u4e8b\u6545\u304c\u8d77\u3053\u308a\u3046\u308b\u3002calloc\u306f\u305d\u3053\u3092\u9762\u5012\u307f\u3066\u304f\u308c\u308b\u3089\u3057\u3044\u3002<\/p>\n\n\n\n<p>\u5730\u5473\u3060\u3051\u3069\u3001\u3053\u3046\u3044\u3046\u5c0f\u3055\u3044\u9055\u3044\u306e\u7a4d\u307f\u91cd\u306d\u304c\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u3068\u5371\u967a\u306a\u30b3\u30fc\u30c9\u306e\u5206\u304b\u308c\u76ee\u306b\u306a\u308b\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u307e\u3068\u3081\u308b\u3068Go\u304bC++\u3092\u4f7f\u304a\u3046\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>10\u7ae0\u306f\u6700\u7d42\u7ae0\u3060\u3051\u3042\u3063\u3066\u3001\u30dd\u30a4\u30f3\u30bf\u3068\u914d\u5217\u306e\u8907\u96d1\u306a\u5ba3\u8a00\u3001\u52d5\u7684\u30e1\u30e2\u30ea\u78ba\u4fdd\u306e\u843d\u3068\u3057\u7a74\u3001malloc\u7cfb\u95a2\u6570\u306e\u4f7f\u3044\u5206\u3051\u3068\u3001C\u8a00\u8a9e\u306e\u300c\u81ea\u7531\u3060\u3051\u3069\u81ea\u5df1\u8cac\u4efb\u300d\u306a\u4e16\u754c\u304c\u51dd\u7e2e\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n\n\n\n<p>\u5f53\u6642\u306f\u306a\u3093\u3068\u306a\u304f\u52d5\u304b\u3057\u3066\u3001\u306a\u3093\u3068\u306a\u304f\u6b21\u306b\u9032\u3093\u3067\u3044\u305f\u3051\u3069\u3001\u3053\u3046\u3084\u3063\u3066\u632f\u308a\u8fd4\u308b\u3068\u300c\u3053\u3053\u3001\u3082\u3046\u3061\u3087\u3063\u3068\u3061\u3083\u3093\u3068\u7acb\u3061\u6b62\u307e\u3063\u3066\u304a\u3051\u3070\u3088\u304b\u3063\u305f\u306a\u300d\u3068\u601d\u3046\u3068\u3053\u308d\u304c\u3044\u304f\u3064\u3082\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u307e\u3042\u3067\u3082\u300110\u5e74\u4ee5\u4e0a\u7d4c\u3063\u3066\u304b\u3089\u88dc\u5f37\u3067\u304d\u3066\u3044\u308b\u3093\u3060\u304b\u3089\u3001\u307e\u3042\u3088\u304b\u3063\u305f\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u601d\u3046\u3002<\/p>\n<div class='wp_social_bookmarking_light'>        <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"https:\/\/www.vincentina.net\/?p=8318\" data-text=\"\u88dc\u8db3\u6388\u696d7. 2\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u78ba\u4fdd\u3059\u308b\u3068\u3053\u3093\u306a\u5f31\u70b9\u304c\u3067\u304d\u308b\u8a71\" data-via=\"TakekenTw\" data-lang=\"ja\">Tweet<\/a><\/div><\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u306f\u88dc\u8db3\u6388\u696d6\u3067\u53d6\u308a\u4e0a\u3052\u305f10\u7ae0\u306e\u6700\u5f8c\u306b\u3054\u3057\u3087\u3054\u3057\u3087\u3063\u3068\u66f8\u3044\u3066\u3044\u305f\u3053\u3068\u306b\u3064\u3044\u3066\u632f\u308a\u8fd4\u308d\u3046\u3002\u4eca\u56de\u306f\u3061\u3087\u3063\u3068\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u5909\u3048\u3066\u3001\u300c\u5f53\u6642\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u89e3\u6c7a\u3059\u308b\u300d\u304b\u3089\u3001\u7406\u89e3\u3057\u304d\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u7a74\u57cb\u3081\u3059\u308b\u88dc\u5b8c\u8a08\u753b\u306b\u3057\u3088 &hellip; <a href=\"https:\/\/www.vincentina.net\/?p=8318\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;\u88dc\u8db3\u6388\u696d7. 2\u6b21\u5143\u914d\u5217\u3092malloc\u3067\u78ba\u4fdd\u3059\u308b\u3068\u3053\u3093\u306a\u5f31\u70b9\u304c\u3067\u304d\u308b\u8a71&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114,106],"tags":[],"class_list":["post-8318","post","type-post","status-publish","format-standard","hentry","category-essay","category-programming"],"_links":{"self":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/8318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8318"}],"version-history":[{"count":4,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/8318\/revisions"}],"predecessor-version":[{"id":8328,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/8318\/revisions\/8328"}],"wp:attachment":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}