{"id":4836,"date":"2021-11-22T23:15:00","date_gmt":"2021-11-22T17:45:00","guid":{"rendered":"https:\/\/www.codingbroz.com\/?p=4836"},"modified":"2021-11-22T15:49:27","modified_gmt":"2021-11-22T10:19:27","slug":"c-program-to-concatenate-two-strings","status":"publish","type":"post","link":"https:\/\/www.codingbroz.com\/c-program-to-concatenate-two-strings\/","title":{"rendered":"C Program to Concatenate Two Strings"},"content":{"rendered":"\n<p>In this post, we will learn <strong>how to concatenate two strings using the C<\/strong> Programming language.<\/p>\n\n\n\n<p><strong>Concatenation<\/strong>, in the context of programming, is the process of joining two strings together. For example: two strings<strong> hello <\/strong>and <strong>world<\/strong> after concatenation becomes <strong>helloworld<\/strong>.<\/p>\n\n\n\n<p>We will be writing a manual logic to concatenate two strings.<\/p>\n\n\n\n<p>So, without further ado, let\u2019s begin this tutorial.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-66438ae30055b\" class=\"ez-toc-cssicon-toggle-label\"><label class=\"ez-toc-title\">Table of Contents<\/label>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0090ff;color:#0090ff\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0090ff;color:#0090ff\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-66438ae30055b\" checked \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.codingbroz.com\/c-program-to-concatenate-two-strings\/#C_Program_to_Concatenate_Two_Strings\" title=\"C Program to Concatenate Two Strings\">C Program to Concatenate Two Strings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.codingbroz.com\/c-program-to-concatenate-two-strings\/#How_Does_This_Program_Work\" title=\"How Does This Program Work ?\">How Does This Program Work ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.codingbroz.com\/c-program-to-concatenate-two-strings\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Program_to_Concatenate_Two_Strings\"><\/span><strong>C Program to Concatenate Two Strings<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C Program to Concatenate Two Strings\n#include &lt;stdio.h>\nint main(){\n    char first[25], second[25];\n    int i, j;\n    \n    \/\/ Asking for input\n    printf(\"Enter the first string: \");\n    scanf(\"%s\", first);\n    printf(\"Enter the second string: \");\n    scanf(\"%s\", second);\n    \n    \/\/ Concatenating two strings\n    i = 0;\n    while (first[i] != '\\0'){\n        i++;\n    }\n    for (j = 0; second[j] != '\\0'; ++j, ++i){\n        first[i] = second[j];\n    }\n    first[i] = '\\0';\n    \n    \/\/ Displaying output\n    printf(\"After concatenation: %s\", first);\n    return 0;\n}\n<\/pre>\n\n\n\n<p><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Enter the first string: Coding\r\nEnter the second string: Broz\r\nAfter concatenation: CodingBroz\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_This_Program_Work\"><\/span><strong>How Does This Program Work ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    char first[25], second[25];\n    int i, j;\n<\/pre>\n\n\n\n<p>In this program, we have declared some<strong> char data type<\/strong> variables and some <strong>int data type <\/strong>variables.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/ Asking for input\n    printf(\"Enter the first string: \");\n    scanf(\"%s\", first);\n    printf(\"Enter the second string: \");\n    scanf(\"%s\", second);\n<\/pre>\n\n\n\n<p>Then, the user is asked to enter the<strong> first <\/strong>and the <strong>second<\/strong> string.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    i = 0;\n    while (first[i] != '\\0'){\n        i++;\n    }\n<\/pre>\n\n\n\n<p>This is used to store the length of the first string in the <strong>i<\/strong> variable.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    for (j = 0; second[j] != '\\0'; ++j, ++i){\n        first[i] = second[j];\n    }\n<\/pre>\n\n\n\n<p>This loop statement concatenates the second string at the end of the first string.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"c\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    \/\/ Displaying output\n    printf(\"After concatenation: %s\", first);\n<\/pre>\n\n\n\n<p>Finally, the string after concatenation is displayed on the screen using<strong> printf()<\/strong> function.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>I hope after going through this post, you understand<strong> how to concatenate two strings using C<\/strong> Programming language.<\/p>\n\n\n\n<p>If you have any doubt regarding the program, feel free to contact us in the comment section. We will be delighted to help you.<\/p>\n\n\n\n<p><strong>Also Read:<\/strong><\/p>\n\n\n\n<ul><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-reverse-a-string\/\">C Program to Reverse a String<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-calculate-volume-of-sphere\/\">C Program to Calculate Volume of Sphere<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-circumference-of-circle\/\">C Program to Find Circumference of Circle<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-find-area-of-rectangle\/\">C Program to Calculate Area of Rectangle<\/a><\/strong><\/li><li><strong><a href=\"https:\/\/www.codingbroz.com\/c-program-to-calculate-kinetic-energy\/\">C Program to Calculate Kinetic Energy<\/a><\/strong><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In this post, we will learn how to concatenate two strings using the C Programming language.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[167,294],"tags":[222,429,206],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4836"}],"collection":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/comments?post=4836"}],"version-history":[{"count":3,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4836\/revisions"}],"predecessor-version":[{"id":4839,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/posts\/4836\/revisions\/4839"}],"wp:attachment":[{"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/media?parent=4836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/categories?post=4836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.codingbroz.com\/wp-json\/wp\/v2\/tags?post=4836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}