{"id":10007,"date":"2022-09-21T20:04:35","date_gmt":"2022-09-21T14:34:35","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-function-declaration-in-proc-without-body-closed\/"},"modified":"2022-09-21T20:04:35","modified_gmt":"2022-09-21T14:34:35","slug":"solved-function-declaration-in-proc-without-body-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-function-declaration-in-proc-without-body-closed\/","title":{"rendered":"[Solved] function declaration in pro*C without body [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-34195830\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"34195830\" data-parentid=\"34195343\" data-score=\"2\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" 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><strong>This snippet is in the archaic K&amp;R C syntax<\/strong> which predates ANSI C. Then it is indented strangely which makes it look at first glance like you describe, but it really isn&#8217;t. <code>calc_options<\/code> is the function definition with three arguments, the 3rd of which is a pointer <code>options<\/code> to typedef option_info.<\/p>\n<p>This is the same thing in ANSI C syntax, so it is easier to read:<\/p>\n<pre><code>int calc_options(int currArgc, char *currArgv[], option_info *options)\n{\n  int optChar;\n  int invopt=0;\n  while ((optChar = getopt(currArgc, currArgv, \":s:\")) != -1 &amp;&amp; !(invopt))\n  {}\n  \/* other commands *\/\n}  \n<\/code><\/pre>\n<p>&#8220;option_info is defined as a struct&#8221; <strong>Yes<\/strong> (well a typedef to a struct)<\/p>\n<p>&#8220;then as a function and called from main&#8221;. <strong>No<\/strong><\/p>\n<p>&#8220;Is it fine?&#8221; <strong>Yes<\/strong> (but should be changed to ANSI syntax)<\/p>\n<p>&#8220;how does it work?&#8221; <strong>Pretty good<\/strong><\/p>\n<p>&#8220;Is option_info inside the function calc_options?&#8221; <strong>It is the type of the 3rd argument <code>options<\/code><\/strong><\/p>\n<p>&#8220;Because option_info seems using the parameters defined in calc_options.&#8221; <strong>It <em>is<\/em> the type of parameter <code>options<\/code><\/strong><\/p>\n<p>&#8220;Or calc_options body is written somewhere else in any other file in the include section ?&#8221; <strong>Nope<\/strong><\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved function declaration in pro*C without body [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] This snippet is in the archaic K&amp;R C syntax which predates ANSI C. Then it is indented strangely which makes it look at first glance like you describe, but it really isn&#8217;t. calc_options is the function definition with three arguments, the 3rd of which is a pointer options to typedef option_info. This is the &#8230; <a title=\"[Solved] function declaration in pro*C without body [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-function-declaration-in-proc-without-body-closed\/\" aria-label=\"More on [Solved] function declaration in pro*C without body [closed]\">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-10007","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] function declaration in pro*C without body [closed] - 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-function-declaration-in-proc-without-body-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] function declaration in pro*C without body [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] This snippet is in the archaic K&amp;R C syntax which predates ANSI C. 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Then it is indented strangely which makes it look at first glance like you describe, but it really isn&#8217;t. calc_options is the function definition with three arguments, the 3rd of which is a pointer options to typedef option_info. This is the ... 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