{"id":9360,"date":"2024-03-14T09:30:31","date_gmt":"2024-03-14T09:30:31","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-strlen-to-find-the-length-of-a-string-in-c\/"},"modified":"2024-03-20T15:19:08","modified_gmt":"2024-03-20T15:19:08","slug":"how-to-use-strlen-to-find-the-length-of-a-string-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-strlen-to-find-the-length-of-a-string-in-c\/","title":{"rendered":"How to use strlen to find the length of a string in C++?"},"content":{"rendered":"<p>In C++, you can use the strlen function to find the length of a string. The strlen function takes a pointer to a null-terminated string as a parameter and returns the length of the string (excluding the null terminator).<\/p>\n<p>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;iostream&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;cstring&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    <span class=\"hljs-type\">const<\/span> <span class=\"hljs-type\">char<\/span> *str = <span class=\"hljs-string\">\"Hello, World!\"<\/span>;\r\n    <span class=\"hljs-type\">int<\/span> length = <span class=\"hljs-built_in\">strlen<\/span>(str);\r\n    \r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"Length of the string: \"<\/span> &lt;&lt; length &lt;&lt; std::endl;\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, a pointer str pointing to the string &#8220;Hello, World!&#8221; is first defined. Then the strlen function is used to find the length of the string, and the result is stored in the variable length. Finally, the length of the string is printed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C++, you can use the strlen function to find the length of a string. The strlen function takes a pointer to a null-terminated string as a parameter and returns the length of the string (excluding the null terminator). Here is an example code: #include &lt;iostream&gt; #include &lt;cstring&gt; int main() { const char *str = [&hellip;]<\/p>\n","protected":false},"author":11,"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-9360","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 use strlen to find the length of a string in C++? - 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-use-strlen-to-find-the-length-of-a-string-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to use strlen to find the length of a string in C++?\" \/>\n<meta property=\"og:description\" content=\"In C++, you can use the strlen function to find the length of a string. The strlen function takes a pointer to a null-terminated string as a parameter and returns the length of the string (excluding the null terminator). 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