{"id":9939,"date":"2024-03-14T10:22:01","date_gmt":"2024-03-14T10:22:01","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/"},"modified":"2024-03-20T16:42:26","modified_gmt":"2024-03-20T16:42:26","slug":"how-to-save-structure-data-to-a-file-in-the-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/","title":{"rendered":"How to save structure data to a file in the C language?"},"content":{"rendered":"<p>In C language, file operation functions can be used to write structure data to a file. Here is an example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53<\/span>\r\n<span class=\"hljs-class\"><span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title\">Person<\/span> {<\/span>\r\n    <span class=\"hljs-type\">char<\/span> name[<span class=\"hljs-number\">50<\/span>];\r\n    <span class=\"hljs-type\">int<\/span> age;\r\n    <span class=\"hljs-type\">float<\/span> height;\r\n};\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5e76\u521d\u59cb\u5316\u5176\u4e2d\u7684\u6570\u636e<\/span>\r\n    <span class=\"hljs-class\"><span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title\">Person<\/span> <span class=\"hljs-title\">person<\/span> =<\/span> {<span class=\"hljs-string\">\"Alice\"<\/span>, <span class=\"hljs-number\">25<\/span>, <span class=\"hljs-number\">1.75<\/span>};\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5199\u5165\u6a21\u5f0f\u4e3a\u4e8c\u8fdb\u5236\u5199\u5165<\/span>\r\n    FILE *file = fopen(<span class=\"hljs-string\">\"person_data.dat\"<\/span>, <span class=\"hljs-string\">\"wb\"<\/span>);\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5c06\u7ed3\u6784\u4f53\u6570\u636e\u5199\u5165\u6587\u4ef6<\/span>\r\n    fwrite(&amp;person, <span class=\"hljs-keyword\">sizeof<\/span>(<span class=\"hljs-keyword\">struct<\/span> Person), <span class=\"hljs-number\">1<\/span>, file);\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5173\u95ed\u6587\u4ef6<\/span>\r\n    fclose(file);\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the code above, a structure named Person is first defined, then a structure variable person is created and initialized with data in the main function. Next, the fopen function is used to open a file (in this case person_data.dat) and specify the write mode as binary. Then the fwrite function is used to write the data of the structure variable person into the file, where &#038;person represents the address of the structure variable person, sizeof(struct Person) represents the size of the structure, 1 indicates writing one set of structure data, and file represents the file pointer. Finally, the fclose function is used to close the file.<\/p>\n<p>This way, the structure data can be written to the file.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C language, file operation functions can be used to write structure data to a file. Here is an example code: #include &lt;stdio.h&gt; \/\/ \u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53 struct Person { char name[50]; int age; float height; }; int main() { \/\/ \u521b\u5efa\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5e76\u521d\u59cb\u5316\u5176\u4e2d\u7684\u6570\u636e struct Person person = {&#8220;Alice&#8221;, 25, 1.75}; \/\/ \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5199\u5165\u6a21\u5f0f\u4e3a\u4e8c\u8fdb\u5236\u5199\u5165 FILE *file = fopen(&#8220;person_data.dat&#8221;, &#8220;wb&#8221;); \/\/ [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9939","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to save structure data to a file in the C language? - 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\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to save structure data to a file in the C language?\" \/>\n<meta property=\"og:description\" content=\"In C language, file operation functions can be used to write structure data to a file. Here is an example code: #include &lt;stdio.h&gt; \/\/ \u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53 struct Person { char name[50]; int age; float height; }; int main() { \/\/ \u521b\u5efa\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5e76\u521d\u59cb\u5316\u5176\u4e2d\u7684\u6570\u636e struct Person person = {&quot;Alice&quot;, 25, 1.75}; \/\/ \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5199\u5165\u6a21\u5f0f\u4e3a\u4e8c\u8fdb\u5236\u5199\u5165 FILE *file = fopen(&quot;person_data.dat&quot;, &quot;wb&quot;); \/\/ [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T10:22:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-20T16:42:26+00:00\" \/>\n<meta name=\"author\" content=\"Noah Thompson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Noah Thompson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\"},\"author\":{\"name\":\"Noah Thompson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a\"},\"headline\":\"How to save structure data to a file in the C language?\",\"datePublished\":\"2024-03-14T10:22:01+00:00\",\"dateModified\":\"2024-03-20T16:42:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\"},\"wordCount\":153,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\",\"name\":\"How to save structure data to a file in the C language? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T10:22:01+00:00\",\"dateModified\":\"2024-03-20T16:42:26+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to save structure data to a file in the C language?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a\",\"name\":\"Noah Thompson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g\",\"caption\":\"Noah Thompson\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/noahthompson\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"How to save structure data to a file in the C language? - 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\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/","og_locale":"en_US","og_type":"article","og_title":"How to save structure data to a file in the C language?","og_description":"In C language, file operation functions can be used to write structure data to a file. Here is an example code: #include &lt;stdio.h&gt; \/\/ \u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53 struct Person { char name[50]; int age; float height; }; int main() { \/\/ \u521b\u5efa\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5e76\u521d\u59cb\u5316\u5176\u4e2d\u7684\u6570\u636e struct Person person = {\"Alice\", 25, 1.75}; \/\/ \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff0c\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u65b0\u6587\u4ef6\uff0c\u5199\u5165\u6a21\u5f0f\u4e3a\u4e8c\u8fdb\u5236\u5199\u5165 FILE *file = fopen(\"person_data.dat\", \"wb\"); \/\/ [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T10:22:01+00:00","article_modified_time":"2024-03-20T16:42:26+00:00","author":"Noah Thompson","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Noah Thompson","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/"},"author":{"name":"Noah Thompson","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a"},"headline":"How to save structure data to a file in the C language?","datePublished":"2024-03-14T10:22:01+00:00","dateModified":"2024-03-20T16:42:26+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/"},"wordCount":153,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/","name":"How to save structure data to a file in the C language? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T10:22:01+00:00","dateModified":"2024-03-20T16:42:26+00:00","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-to-save-structure-data-to-a-file-in-the-c-language\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How to save structure data to a file in the C language?"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/2e83cc6ab9f60d36921c2d0f9f280f4a","name":"Noah Thompson","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/350e537e1530ede2762ee0237e877d6693f4f7163ab4f303202cc9a6b27b6cb4?s=96&d=mm&r=g","caption":"Noah Thompson"},"url":"https:\/\/www.silicloud.com\/blog\/author\/noahthompson\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/9939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=9939"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/9939\/revisions"}],"predecessor-version":[{"id":43141,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/9939\/revisions\/43141"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=9939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=9939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=9939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}