{"id":25759,"date":"2024-03-16T05:32:16","date_gmt":"2024-03-16T05:32:16","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/"},"modified":"2024-03-22T06:56:55","modified_gmt":"2024-03-22T06:56:55","slug":"check-if-the-string-is-empty-in-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/","title":{"rendered":"Check if the string is empty in C language."},"content":{"rendered":"<p>In the C language, it is possible to determine if a string is empty by checking its length. If the length of the string is 0, then it is considered empty.<\/p>\n<p>Below 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<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;string.h&gt;<\/span><\/span>\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-type\">char<\/span> str[<span class=\"hljs-number\">100<\/span>];\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a\"<\/span>);\r\n    <span class=\"hljs-built_in\">scanf<\/span>(<span class=\"hljs-string\">\"%s\"<\/span>, str);\r\n\r\n    <span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-built_in\">strlen<\/span>(str) == <span class=\"hljs-number\">0<\/span>) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u5b57\u7b26\u4e32\u4e3a\u7a7a\\n\"<\/span>);\r\n    } <span class=\"hljs-keyword\">else<\/span> {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u5b57\u7b26\u4e32\u4e0d\u4e3a\u7a7a\\n\"<\/span>);\r\n    }\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 above example code, the user input string is first read with the scanf function and stored in the str array. Then, the strlen function is used to determine the length of the string, and it is determined whether the string is empty by checking if the length is 0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the C language, it is possible to determine if a string is empty by checking its length. If the length of the string is 0, then it is considered empty. Below is an example code. #include &lt;stdio.h&gt; #include &lt;string.h&gt; int main() { char str[100]; printf(&#8220;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&#8221;); scanf(&#8220;%s&#8221;, str); if (strlen(str) == 0) { printf(&#8220;\u5b57\u7b26\u4e32\u4e3a\u7a7a\\n&#8221;); } [&hellip;]<\/p>\n","protected":false},"author":7,"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-25759","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>Check if the string is empty in 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\/check-if-the-string-is-empty-in-c-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Check if the string is empty in C language.\" \/>\n<meta property=\"og:description\" content=\"In the C language, it is possible to determine if a string is empty by checking its length. If the length of the string is 0, then it is considered empty. Below is an example code. #include &lt;stdio.h&gt; #include &lt;string.h&gt; int main() { char str[100]; printf(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a&quot;); scanf(&quot;%s&quot;, str); if (strlen(str) == 0) { printf(&quot;\u5b57\u7b26\u4e32\u4e3a\u7a7an&quot;); } [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-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=\"2024-03-16T05:32:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T06:56:55+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\/check-if-the-string-is-empty-in-c-language\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/\"},\"author\":{\"name\":\"Sophia Anderson\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/19a24313de9c988db3d69226b4a40a30\"},\"headline\":\"Check if the string is empty in C language.\",\"datePublished\":\"2024-03-16T05:32:16+00:00\",\"dateModified\":\"2024-03-22T06:56:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/\"},\"wordCount\":94,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/check-if-the-string-is-empty-in-c-language\/\",\"name\":\"Check if the string is empty in C language. - 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