{"id":11697,"date":"2024-03-14T14:33:57","date_gmt":"2024-03-14T14:33:57","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/11697-2\/"},"modified":"2025-08-04T15:43:33","modified_gmt":"2025-08-04T15:43:33","slug":"11697-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/11697-2\/","title":{"rendered":"C Stack Implementation Guide"},"content":{"rendered":"<p>Here is a basic example of implementing a stack in C language.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdlib.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">define<\/span> MAX_SIZE 100<\/span>\r\n\r\n<span class=\"hljs-keyword\">typedef<\/span> <span class=\"hljs-class\"><span class=\"hljs-keyword\">struct<\/span> {<\/span>\r\n    <span class=\"hljs-type\">int<\/span> data[MAX_SIZE];\r\n    <span class=\"hljs-type\">int<\/span> top;\r\n} Stack;\r\n\r\n<span class=\"hljs-type\">void<\/span> <span class=\"hljs-title function_\">initStack<\/span><span class=\"hljs-params\">(Stack *s)<\/span> {\r\n    s-&gt;top = <span class=\"hljs-number\">-1<\/span>;\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">isEmpty<\/span><span class=\"hljs-params\">(Stack *s)<\/span> {\r\n    <span class=\"hljs-keyword\">return<\/span> s-&gt;top == <span class=\"hljs-number\">-1<\/span>;\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">isFull<\/span><span class=\"hljs-params\">(Stack *s)<\/span> {\r\n    <span class=\"hljs-keyword\">return<\/span> s-&gt;top == MAX_SIZE - <span class=\"hljs-number\">1<\/span>;\r\n}\r\n\r\n<span class=\"hljs-type\">void<\/span> <span class=\"hljs-title function_\">push<\/span><span class=\"hljs-params\">(Stack *s, <span class=\"hljs-type\">int<\/span> value)<\/span> {\r\n    <span class=\"hljs-keyword\">if<\/span> (isFull(s)) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Stack is full\\n\"<\/span>);\r\n        <span class=\"hljs-keyword\">return<\/span>;\r\n    }\r\n    s-&gt;top++;\r\n    s-&gt;data[s-&gt;top] = value;\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">pop<\/span><span class=\"hljs-params\">(Stack *s)<\/span> {\r\n    <span class=\"hljs-keyword\">if<\/span> (isEmpty(s)) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Stack is empty\\n\"<\/span>);\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">-1<\/span>;\r\n    }\r\n    <span class=\"hljs-type\">int<\/span> value = s-&gt;data[s-&gt;top];\r\n    s-&gt;top--;\r\n    <span class=\"hljs-keyword\">return<\/span> value;\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">peek<\/span><span class=\"hljs-params\">(Stack *s)<\/span> {\r\n    <span class=\"hljs-keyword\">if<\/span> (isEmpty(s)) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Stack is empty\\n\"<\/span>);\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">-1<\/span>;\r\n    }\r\n    <span class=\"hljs-keyword\">return<\/span> s-&gt;data[s-&gt;top];\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    Stack <span class=\"hljs-built_in\">stack<\/span>;\r\n    initStack(&amp;<span class=\"hljs-built_in\">stack<\/span>);\r\n\r\n    push(&amp;<span class=\"hljs-built_in\">stack<\/span>, <span class=\"hljs-number\">10<\/span>);\r\n    push(&amp;<span class=\"hljs-built_in\">stack<\/span>, <span class=\"hljs-number\">20<\/span>);\r\n    push(&amp;<span class=\"hljs-built_in\">stack<\/span>, <span class=\"hljs-number\">30<\/span>);\r\n\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Top element: %d\\n\"<\/span>, peek(&amp;<span class=\"hljs-built_in\">stack<\/span>));\r\n\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Popped element: %d\\n\"<\/span>, pop(&amp;<span class=\"hljs-built_in\">stack<\/span>));\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Popped element: %d\\n\"<\/span>, pop(&amp;<span class=\"hljs-built_in\">stack<\/span>));\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Popped element: %d\\n\"<\/span>, pop(&amp;<span class=\"hljs-built_in\">stack<\/span>));\r\n\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Is stack empty: %s\\n\"<\/span>, isEmpty(&amp;<span class=\"hljs-built_in\">stack<\/span>) ? <span class=\"hljs-string\">\"true\"<\/span> : <span class=\"hljs-string\">\"false\"<\/span>);\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>This code defines a basic sequential stack data structure, including operations for initializing the stack, checking if it is empty or full, pushing elements onto the stack, popping elements from the stack, and getting the top element of the stack. In the main function, the stack is initialized, elements are pushed and popped, and some information is printed.<\/p>\n<p>You can modify and extend the code according to your own needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is a basic example of implementing a stack in C language. #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; #define MAX_SIZE 100 typedef struct { int data[MAX_SIZE]; int top; } Stack; void initStack(Stack *s) { s-&gt;top = -1; } int isEmpty(Stack *s) { return s-&gt;top == -1; } int isFull(Stack *s) { return s-&gt;top == MAX_SIZE &#8211; 1; [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[7899,5767,381,450,224,15144,12551],"class_list":["post-11697","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-algorithms","tag-c-code","tag-c-programming","tag-c-tutorial","tag-data-structures","tag-stack-data-structure","tag-stack-implementation"],"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>C Stack Implementation Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn to implement a stack in C with complete code examples and step-by-step explanation. 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