{"id":11981,"date":"2024-03-14T15:04:04","date_gmt":"2024-03-14T15:04:04","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/"},"modified":"2025-08-04T19:44:59","modified_gmt":"2025-08-04T19:44:59","slug":"how-to-use-the-file-type-in-the-c-programming-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/","title":{"rendered":"How to use the file type in the C programming language?"},"content":{"rendered":"<p>In C language, the FILE type is used to manipulate files. Here are some common operations with FILE types:<\/p>\n<ol>\n<li>open the file with the function fopen()<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>FILE *file = fopen(<span class=\"hljs-string\">\"example.txt\"<\/span>, <span class=\"hljs-string\">\"r\"<\/span>);\r\n<span class=\"hljs-keyword\">if<\/span> (file == <span class=\"hljs-literal\">NULL<\/span>) {\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"File could not be opened.\\n\"<\/span>);\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">1<\/span>;\r\n}\r\n<\/code><\/pre>\n<ol>\n<li>reads data from a file<\/li>\n<li>Reads a line from a file stream.<\/li>\n<li>read from file<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">char<\/span> buffer[<span class=\"hljs-number\">100<\/span>];\r\n<span class=\"hljs-built_in\">fscanf<\/span>(file, <span class=\"hljs-string\">\"%s\"<\/span>, buffer);\r\n<span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Read: %s\\n\"<\/span>, buffer);\r\n<\/code><\/pre>\n<ol>\n<li>use fprintf()<\/li>\n<li>The fputs() function<\/li>\n<li>Write data to a file.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">fprintf<\/span>(file, <span class=\"hljs-string\">\"Hello, World!\\n\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>close()<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>fclose(file);\r\n<\/code><\/pre>\n<p>It is important to ensure that the opening and closing operations of the file are paired when using the FILE type to operate the file, in order to avoid file leakage or damage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C language, the FILE type is used to manipulate files. Here are some common operations with FILE types: open the file with the function fopen() FILE *file = fopen(&#8220;example.txt&#8221;, &#8220;r&#8221;); if (file == NULL) { printf(&#8220;File could not be opened.\\n&#8221;); return 1; } reads data from a file Reads a line from a file [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-11981","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"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 use the file type in the C programming language? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.\" \/>\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-use-the-file-type-in-the-c-programming-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to use the file type in the C programming language?\" \/>\n<meta property=\"og:description\" content=\"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-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=\"2024-03-14T15:04:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-04T19:44:59+00:00\" \/>\n<meta name=\"author\" content=\"Sophia Anderson\" \/>\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=\"Sophia Anderson\" \/>\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-use-the-file-type-in-the-c-programming-language\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/\"},\"author\":{\"name\":\"Sophia Anderson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30\"},\"headline\":\"How to use the file type in the C programming language?\",\"datePublished\":\"2024-03-14T15:04:04+00:00\",\"dateModified\":\"2025-08-04T19:44:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/\"},\"wordCount\":96,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Development\",\"guide\",\"programming\",\"technology\",\"tutorial\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/\",\"name\":\"How to use the file type in the C programming language? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T15:04:04+00:00\",\"dateModified\":\"2025-08-04T19:44:59+00:00\",\"description\":\"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to use the file type in the C programming 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\/19a24313de9c988db3d69226b4a40a30\",\"name\":\"Sophia Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g\",\"caption\":\"Sophia Anderson\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/sophiaanderson\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"How to use the file type in the C programming language? - Blog - Silicon Cloud","description":"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.","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-use-the-file-type-in-the-c-programming-language\/","og_locale":"en_US","og_type":"article","og_title":"How to use the file type in the C programming language?","og_description":"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T15:04:04+00:00","article_modified_time":"2025-08-04T19:44:59+00:00","author":"Sophia Anderson","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Sophia Anderson","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/"},"author":{"name":"Sophia Anderson","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30"},"headline":"How to use the file type in the C programming language?","datePublished":"2024-03-14T15:04:04+00:00","dateModified":"2025-08-04T19:44:59+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/"},"wordCount":96,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["Development","guide","programming","technology","tutorial"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/","name":"How to use the file type in the C programming language? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T15:04:04+00:00","dateModified":"2025-08-04T19:44:59+00:00","description":"Learn about how to use the file type in the c programming language?. Comprehensive guide with examples and best practices.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-to-use-the-file-type-in-the-c-programming-language\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How to use the file type in the C programming 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\/19a24313de9c988db3d69226b4a40a30","name":"Sophia Anderson","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c726c09aa40e37115fb5c62d0c3ed62c16ca255d3763e2e3ae83a70ddf8c2175?s=96&d=mm&r=g","caption":"Sophia Anderson"},"url":"https:\/\/www.silicloud.com\/blog\/author\/sophiaanderson\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/11981","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=11981"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/11981\/revisions"}],"predecessor-version":[{"id":45283,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/11981\/revisions\/45283"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=11981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=11981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=11981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}