types package:base

Mapping of C types to corresponding Haskell types.
POSIX data types: Haskell equivalents of the types defined by the <sys/types.h> C header on a POSIX system.
Types for text encoding/decoding
Basic types for the implementation of IO Handles.
type definitions for implicit call-stacks. Use GHC.Stack from the base package instead of importing this module directly.