zig-system-calls

Perform cross-platform Zig file I/O using bun.sys.File and Maybe(T) error handling.

Updated Mar 29, 2026
One-click install
npx skills add https://github.com/sigitpoerwo/repoworkspace_zahra --skill zig-system-calls-sigitpoerwo
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: zig-system-calls
Source: https://github.com/sigitpoerwo/repoworkspace_zahra/tree/main/skills/03-BELUM-DICOBA/dari-clawhub/zig-system-calls
Command: npx skills add https://github.com/sigitpoerwo/repoworkspace_zahra --skill zig-system-calls-sigitpoerwo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This guide addresses the need to perform safe, cross-platform system calls and file I/O in Zig without relying on std.fs or std.posix, using bun.sys wrappers for robust error handling and clearer semantics.

Core Features & Use Cases

  • Use bun.sys.File for the majority of file operations with Maybe(T) error handling, errno, and path information.
  • Access low-level file operations when needed, including opening, reading, writing, stat, and directory interactions.
  • Apply across Zig projects requiring cross-platform compatibility and strong error propagation.

Quick Start

Create a Zig function that opens a file with bun.sys.File and writes data using bun.sys wrappers.

Frequently Asked Questions about zig-system-calls

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform file I/O in Zig without using std.fs or std.posix?

File I/O in Zig without std.fs or std.posix is achievable using bun.sys.File wrappers. They provide robust error handling, cross-platform system calls, and clear semantics for file operations like open, read, and write.

What is the Maybe(T) pattern for error handling in Zig system calls?

Maybe(T) is an error handling mechanism used with bun.sys for Zig system calls. It captures errno and path information to provide robust error propagation and clearer semantics during cross-platform file operations.

How do I open and write to a file using bun.sys in Zig?

To open and write to a file using bun.sys in Zig, initialize bun.sys.File with appropriate cross-platform flags, then use bun.sys wrappers to execute the write operation while managing errors via the Maybe(T) pattern.

Can I use bun.sys for cross-platform file operations in Zig?

Yes, bun.sys supports cross-platform file operations in Zig by providing wrappers that handle platform-specific flags and errors. It enables direct file manipulation, stat operations, and low-level system calls across different platforms.

Why should I use bun.sys instead of standard library modules for Zig system calls?

Using bun.sys instead of standard library modules for Zig system calls offers safer error propagation and cross-platform compatibility. The Maybe(T) pattern provides detailed errno and path tracking that standard library alternatives often lack.