{"id":135567,"date":"2024-03-26T12:11:50","date_gmt":"2024-03-26T03:11:50","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"},"modified":"2024-04-05T04:00:54","modified_gmt":"2024-04-04T19:00:54","slug":"c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","title":{"rendered":"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"

\u30e1\u30e2\u30ea\u30fc\u30b3\u30d4\u30fc\u95a2\u6570\u3067\u3042\u308bmemcpy\u95a2\u6570\u306f\u3001\u30bd\u30fc\u30b9\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

void<\/span>* memcpy<\/span>(void<\/span>* dest, const<\/span> void<\/span>* src, size_t<\/span> n)<\/span>;\r\n<\/code><\/pre>\n
\u5177\u4f53\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
    \n
  1. \u66f8\u304d\u8fbc\u307f\u5148\u306e\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u3092\u793a\u3059\u30dd\u30a4\u30f3\u30bf\u3002<\/li>\n
  2. \u30b3\u30d4\u30fc\u3059\u308b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u30e1\u30e2\u30ea\u9818\u57df\u306e\u958b\u59cb\u4f4d\u7f6e\u3067\u3042\u308b\u5143\u30e1\u30e2\u30ea\u306e\u30dd\u30a4\u30f3\u30bf<\/li>\n
  3. \u30b3\u30d4\u30fc\u3059\u308b\u30d0\u30a4\u30c8\u6570\u3002<\/li>\n<\/ol>\n
    \u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
    #include<\/span> <stdio.h><\/span><\/span>\r\n#include<\/span> <string.h><\/span><\/span>\r\nint<\/span> main<\/span>()<\/span> {\r\nchar<\/span> source[] = \"Hello, world!\"<\/span>;\r\nchar<\/span> destination[20<\/span>];\r\n\/\/ \u4f7f\u7528memcpy\u51fd\u6570\u5c06source\u4e2d\u7684\u6570\u636e\u62f7\u8d1d\u5230destination\u4e2d<\/span>\r\nmemcpy<\/span>(destination, source, strlen<\/span>(source) + 1<\/span>);\r\nprintf<\/span>(\"\u6e90\u6570\u636e\uff1a     %s\\n\"<\/span>, source);\r\nprintf<\/span>(\"\u62f7\u8d1d\u540e\u7684\u6570\u636e\uff1a%s\\n\"<\/span>, destination);\r\nreturn<\/span> 0<\/span>;\r\n}\r\n<\/code><\/pre>\n
    \u3053\u306e\u7d50\u679c\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u65e5\u672c\u8a9e\u3067\u66f8\u304d\u76f4\u3055\u308c\u307e\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306f1\u3064\u3060\u3051\u3067\u3059\u3002<\/p>\n
    \u6e90\u6570\u636e\uff1a     Hello, world!\r\n\u62f7\u8d1d\u540e\u7684\u6570\u636e\uff1aHello, world!\r\n<\/code><\/pre>\n
    memcpy\u95a2\u6570\u306e\u4f7f\u7528\u6642\u306f\u3001\u6b21\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
      \n
    1. \u5883\u754c\u30a2\u30af\u30bb\u30b9\u3092\u907f\u3051\u308b\u306b\u306f\u3001\u5bfe\u8c61\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306b\u5341\u5206\u306a\u5927\u304d\u3055\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
    2. \u30bd\u30fc\u30b9\u3068\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30e1\u30e2\u30ea\u9818\u57df\u304c\u91cd\u306a\u308b\u5834\u5408\u306f\u3001memcpy \u95a2\u6570\u3067\u306f\u306a\u304f memmove \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30e2\u30ea\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u306a\u305c\u306a\u3089 memcpy \u95a2\u6570\u306f\u91cd\u8907\u3059\u308b\u9818\u57df\u3092\u6b63\u3057\u304f\u51e6\u7406\u3059\u308b\u4fdd\u8a3c\u304c\u306a\u3044\u305f\u3081\u3067\u3059\u3002<\/li>\n
    3. n \u306e\u5f15\u6570\u306f size_t \u578b\u3067\u3001 \u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u306b\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
      \u30e1\u30e2\u30ea\u30fc\u30b3\u30d4\u30fc\u95a2\u6570\u3067\u3042\u308bmemcpy\u95a2\u6570\u306f\u3001\u30bd\u30fc\u30b9\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002 void* memcpy(void* dest, const void […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-135567","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\" \/>\n<meta property=\"og:description\" content=\"\u30e1\u30e2\u30ea\u30fc\u30b3\u30d4\u30fc\u95a2\u6570\u3067\u3042\u308bmemcpy\u95a2\u6570\u306f\u3001\u30bd\u30fc\u30b9\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002 void* memcpy(void* dest, const void […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-26T03:11:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-04T19:00:54+00:00\" \/>\n<meta name=\"author\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u7d50\u8863, \u6625\u82b1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/\",\"name\":\"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-26T03:11:50+00:00\",\"dateModified\":\"2024-04-04T19:00:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac\",\"name\":\"\u7d50\u8863, \u6625\u82b1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g\",\"caption\":\"\u7d50\u8863, \u6625\u82b1\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/","og_locale":"ja_JP","og_type":"article","og_title":"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9","og_description":"\u30e1\u30e2\u30ea\u30fc\u30b3\u30d4\u30fc\u95a2\u6570\u3067\u3042\u308bmemcpy\u95a2\u6570\u306f\u3001\u30bd\u30fc\u30b9\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306e\u30c7\u30fc\u30bf\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002 void* memcpy(void* dest, const void […]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-26T03:11:50+00:00","article_modified_time":"2024-04-04T19:00:54+00:00","author":"\u7d50\u8863, \u6625\u82b1","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u7d50\u8863, \u6625\u82b1"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/","name":"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-26T03:11:50+00:00","dateModified":"2024-04-04T19:00:54+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"C\u8a00\u8a9e\u306ememcpy\u95a2\u6570\u306e\u4f7f\u3044\u65b9"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/e52a686063ac76fd8cc6f539d41497ac","name":"\u7d50\u8863, \u6625\u82b1","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c74c6e2eb915a3c8e795b3934aa25a7333e0b38e7f1c7baf52785286ad51105e?s=96&d=mm&r=g","caption":"\u7d50\u8863, \u6625\u82b1"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/yuiharuka\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aememcpy%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/135567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=135567"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/135567\/revisions"}],"predecessor-version":[{"id":307471,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/135567\/revisions\/307471"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=135567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=135567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=135567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}