{"id":30842,"date":"2023-01-17T19:37:37","date_gmt":"2023-01-17T14:07:37","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-incomplete-type-is-not-allowed-in-swap-program\/"},"modified":"2023-01-17T19:37:37","modified_gmt":"2023-01-17T14:07:37","slug":"solved-incomplete-type-is-not-allowed-in-swap-program","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-incomplete-type-is-not-allowed-in-swap-program\/","title":{"rendered":"[Solved] Incomplete type is not allowed in swap program"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-27212294\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"27212294\" data-parentid=\"27211933\" data-score=\"0\" data-position-on-page=\"2\" data-highest-scored=\"0\" data-question-has-accepted-highest-score=\"0\" itemprop=\"suggestedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>The below program does what you want:<\/p>\n<pre><code>#include&lt;stdio.h&gt;\n#include&lt;conio.h&gt;\n#include&lt;string.h&gt;\nvoid swapping(char s1[],char s2[])\n{\nchar temp[30]; \/\/create an array of char in order to store a string\n\nstrcpy(temp,s1);\nstrcpy(s1,s2);\nstrcpy(s2,temp); \/\/use strcpy to swap strings\n}\n\nint main (void)\n{\nchar st1[30],st2[30];\n\nprintf(\"Enter the first string\");\nscanf(\"%s\",st1);\nprintf(\"Enter the second string\");\nscanf(\"%s\",st2); \/\/the &amp; is removed from both the scanfs\n\nprintf(\"The first string is %s and the second string is %s \\n\",st1,st2); \/\/print before swapping \nswapping(st1,st2); \/\/swap strings\n\nprintf(\"The first string is %s and the second string is %s \\n\",st1,st2); \/\/print after swapping\n\ngetch();\nreturn 0;\n}\n<\/code><\/pre>\n<p>You can remove the <code>printf<\/code> which prints <code>st1<\/code> and <code>st2<\/code> before swapping if you do not want it. The <code>&amp;<\/code> is removed because the name of the array decays to a point er to its first element. You also need another <code>char<\/code> array instead of an <code>int<\/code> to swap both the strings.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Incomplete type is not allowed in swap program <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] The below program does what you want: #include&lt;stdio.h&gt; #include&lt;conio.h&gt; #include&lt;string.h&gt; void swapping(char s1[],char s2[]) { char temp[30]; \/\/create an array of char in order to store a string strcpy(temp,s1); strcpy(s1,s2); strcpy(s2,temp); \/\/use strcpy to swap strings } int main (void) { char st1[30],st2[30]; printf(&#8220;Enter the first string&#8221;); scanf(&#8220;%s&#8221;,st1); printf(&#8220;Enter the second string&#8221;); scanf(&#8220;%s&#8221;,st2); \/\/the &#8230; <a title=\"[Solved] Incomplete type is not allowed in swap program\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-incomplete-type-is-not-allowed-in-swap-program\/\" aria-label=\"More on [Solved] Incomplete type is not allowed in swap program\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324],"class_list":["post-30842","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Incomplete type is not allowed in swap program - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-incomplete-type-is-not-allowed-in-swap-program\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Incomplete type is not allowed in swap program - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The below program does what you want: #include&lt;stdio.h&gt; #include&lt;conio.h&gt; #include&lt;string.h&gt; void swapping(char s1[],char s2[]) { char temp[30]; \/\/create an array of char in order to store a string strcpy(temp,s1); strcpy(s1,s2); strcpy(s2,temp); \/\/use strcpy to swap strings } int main (void) { char st1[30],st2[30]; printf(&quot;Enter the first string&quot;); scanf(&quot;%s&quot;,st1); printf(&quot;Enter the second string&quot;); scanf(&quot;%s&quot;,st2); \/\/the ... 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