{"id":2200,"date":"2015-09-16T19:13:39","date_gmt":"2015-09-16T19:13:39","guid":{"rendered":"https:\/\/raspberry-projects.com\/pi\/?p=2200"},"modified":"2020-03-26T11:43:31","modified_gmt":"2020-03-26T11:43:31","slug":"using-strings-characters","status":"publish","type":"post","link":"https:\/\/raspberry-projects.com\/pi\/programming-in-c\/strings\/string-class\/using-strings-characters","title":{"rendered":"Using Strings-Characters"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Passing String to a function that expects char *<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\t\/\/EXPECTS CONST CHAR:\n\t\/\/e.g. void my_function (const char *the_string);\n\tstring s1;\n\tmy_function(s1.c_str());<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\t\/\/EXPECTS CHAR:\n\t\/\/e.g. void my_function (char *the_string);\n\tstring s1;\n\tmy_function((char*)s1.c_str());<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Pass Char array to a String<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\tmy_string = string(my_char_array);<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Pass char to string<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\tchar InputChar = 'Q';\n\tstring OutputString(1, InputChar);<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Accessing characters in a string<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\tstring my_string = \"abcd\";\n\tstd::cout &lt;&lt; my_string&#91;0] &lt;&lt; my_string&#91;3] &lt;&lt; std::endl;\t\t\/\/This outputs: ad<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">Remove Trailing Character<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\tif (!my_string.empty() &amp;&amp; my_string&#91;(my_string.length()-1)] == '\\n')\n\t\tmy_string.erase(my_string.length()-1);<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Passing String to a function that expects char * Pass Char array to a String Pass char to string Accessing characters in a string Remove Trailing Character<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"class_list":["post-2200","post","type-post","status-publish","format-standard","hentry","category-string-class"],"_links":{"self":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/comments?post=2200"}],"version-history":[{"count":5,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2200\/revisions"}],"predecessor-version":[{"id":3159,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/posts\/2200\/revisions\/3159"}],"wp:attachment":[{"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/media?parent=2200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/categories?post=2200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raspberry-projects.com\/pi\/wp-json\/wp\/v2\/tags?post=2200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}