Skip to content
Opensource internals
  • Posts

Ffi

How cgo Works in Go: The Two Compilers and a Bit of Magic

Oct 21, 2026 13 min read Jay Hubbert

cgo runs the C compiler to learn C types, rewrites your Go source into Cfunc wrappers, generates matching C glue that passes arguments in a struct, and each call goes through a …

GoInternalsCgoFfiRuntime

Read more →

© 2026 Jay Hubbert · Built with Hugo 0.168.0

RSS ·