replace 'self lifetimes wich gonna be illegals soon.
replace ~str by &str
more &str
more &str + remove unnecessary alloc on example
remove warnings + more &str + with_c_str / to_c_str.
more to_c_str -> with_c_str + &str
pong example -> remove unnecessary allocatio
more to_c_str -> with_c_str
remove some enums reexport
try packag_id
pakid
pkgid