--- title: How C Really Works | daily.dev description: A deep dive into how the C programming language works, covering the abstract machine model defined by the C standard, the four build phases (preprocessing,... canonical: https://daily.dev/posts/how-c-really-works-gtuq0dvgr twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How C Really Works | daily.dev og:description: A deep dive into how the C programming language works, covering the abstract machine model defined by the C standard, the four build phases (preprocessing,... og:url: https://daily.dev/posts/how-c-really-works-gtuq0dvgr og:image: https://api.daily.dev/og/posts/Gtuq0DVGr.png og:image:alt: How C Really Works og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How C Really Works **[YouTube](https://daily.dev/sources/youtube)** · 44 min read · 2 upvotes · 0 comments ## Summary A deep dive into how the C programming language works, covering the abstract machine model defined by the C standard, the four build phases (preprocessing, compilation, assembly, linking), memory objects and storage durations (automatic, static, dynamic), pointer semantics and strict aliasing, undefined behavior from sequencing violations and signed integer overflow, and why C remains foundational for kernels, embedded systems, compilers, and performance-critical software. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [C Programming Language Quiz](https://daily.dev/posts/c-programming-language-quiz-ddv6hxsro) · Lobsters · 0 upvotes · 0 comments --- Tags: [#c](https://daily.dev/tags/c) [View this post on daily.dev](https://daily.dev/posts/how-c-really-works-gtuq0dvgr) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How C Really Works","url":"https://daily.dev/posts/how-c-really-works-gtuq0dvgr","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-c-really-works-gtuq0dvgr"},"datePublished":"2026-07-13T16:51:01.119Z","dateModified":"2026-07-13T16:51:19.932Z","description":"A deep dive into how the C programming language works, covering the abstract machine model defined by the C standard, the four build phases (preprocessing,...","image":"https://i.ytimg.com/vi/DiJU4RxBwaA/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/DiJU4RxBwaA/sddefault.jpg","isAccessibleForFree":true,"articleSection":"YouTube","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"YouTube","logo":"https://media.daily.dev/image/upload/s--W5zMumpP--/f_auto/v1725350181/logos/youtube","url":"https://daily.dev/sources/youtube"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/how-c-really-works-gtuq0dvgr","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"c","timeRequired":"PT44M","video":{"@type":"VideoObject","name":"How C Really Works","description":"A deep dive into how the C programming language works, covering the abstract machine model defined by the C standard, the four build phases (preprocessing,...","thumbnailUrl":"https://i.ytimg.com/vi/DiJU4RxBwaA/sddefault.jpg","uploadDate":"2026-07-13T16:51:01.119Z","duration":"PT44M","url":"https://api.daily.dev/r/Gtuq0DVGr","embedUrl":"https://www.youtube.com/embed/DiJU4RxBwaA"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"YouTube","item":"https://daily.dev/sources/youtube"},{"@type":"ListItem","position":3,"name":"How C Really Works"}]} ```