--- title: Zig's new juicy main is here! | daily.dev description: Zig 0.16 introduces a major change to the main function signature, offering three variants: no parameters, std.process.Init, and std.process.InitMinimal. The... canonical: https://daily.dev/posts/zig-s-new-juicy-main-is-here--jufvy7eeu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Zig's new juicy main is here! | daily.dev og:description: Zig 0.16 introduces a major change to the main function signature, offering three variants: no parameters, std.process.Init, and std.process.InitMinimal. The... og:url: https://daily.dev/posts/zig-s-new-juicy-main-is-here--jufvy7eeu og:image: https://api.daily.dev/og/posts/JUFVy7EEu.png og:image:alt: Zig's new juicy main is here! 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. # Zig's new juicy main is here! **[YouTube](https://daily.dev/sources/youtube)** · 7 min read · 11 upvotes · 0 comments ## Summary Zig 0.16 introduces a major change to the main function signature, offering three variants: no parameters, std.process.Init, and std.process.InitMinimal. The old methods of accessing environment variables (std.os.environ) and CLI arguments (std.os.argv) have been removed due to safety concerns around undefined values on non-Windows platforms. The new Init types provide safe access to environment variables, CLI arguments, allocators (GPA and arena), and IO implementations. InitMinimal offers basic environment and argument access, while the full Init type includes pre-configured allocators and IO, with different implementations depending on build mode and target platform. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Zig 0.16.0 released](https://daily.dev/posts/zig-0-16-0-released-h2fcfctww) · LWN.net · 32 upvotes · 1 comments - [Devlog ⚡ Zig Programming Language](https://daily.dev/posts/devlog-zig-programming-language-erdncfswa) · Zig · 0 upvotes · 0 comments --- Tags: [#cli](https://daily.dev/tags/cli), [#webassembly](https://daily.dev/tags/webassembly), [#zig](https://daily.dev/tags/zig) [View this post on daily.dev](https://daily.dev/posts/zig-s-new-juicy-main-is-here--jufvy7eeu) ```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":"Zig's new juicy main is here!","url":"https://daily.dev/posts/zig-s-new-juicy-main-is-here--jufvy7eeu","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/zig-s-new-juicy-main-is-here--jufvy7eeu"},"datePublished":"2026-02-08T10:39:15.856Z","dateModified":"2026-02-08T10:39:33.549Z","description":"Zig 0.16 introduces a major change to the main function signature, offering three variants: no parameters, std.process.Init, and std.process.InitMinimal. 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