CString is:exact
A C string is a reference to an array of C characters terminated by
NUL.
GHC C strings definitions (previously in GHC.Base). Use GHC.Exts from
the base package instead of importing this module directly.
bool is whether whitespace is significant
MutByteArray representing null terminated c strings. All APIs in this
module are unsafe and caution must be used when using them. Completely
experimental. Everything is subject to change without notice.