{"id":12221,"date":"2024-03-14T15:23:58","date_gmt":"2024-03-14T15:23:58","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-function-is-used-in-the-c-language-to-close-a-file\/"},"modified":"2025-08-04T22:55:58","modified_gmt":"2025-08-04T22:55:58","slug":"what-function-is-used-in-the-c-language-to-close-a-file","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-function-is-used-in-the-c-language-to-close-a-file\/","title":{"rendered":"C fclose Function Explained"},"content":{"rendered":"<p>In C language, the fclose function can be used to close a file.<\/p>\n<p>The function prototype is:<\/p>\n<p>Close the file associated with the stream.<\/p>\n<p>stream is a pointer to a FILE structure that points to the file to be closed.<\/p>\n<p>The fclose function is used to close a file that was previously opened, and release the resources associated with it. Before closing the file, it flushes the buffer to write the data from the buffer to the file. When the file is successfully closed, the function returns 0; if the file fails to close, the function returns EOF.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C language, the fclose function can be used to close a file. The function prototype is: Close the file associated with the stream. stream is a pointer to a FILE structure that points to the file to be closed. The fclose function is used to close a file that was previously opened, and release [&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":[12731,381,15955,890,380],"class_list":["post-12221","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-library-functions","tag-c-programming","tag-fclose","tag-file-handling","tag-file-i-o"],"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>C fclose Function Explained - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how fclose works in C: flushes buffers, closes files, and releases resources. Syntax, return values, 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\/what-function-is-used-in-the-c-language-to-close-a-file\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C fclose Function Explained\" \/>\n<meta property=\"og:description\" content=\"Learn how fclose works in C: flushes buffers, closes files, and releases resources. 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