ult
symbol namespace. The default
<a href="ext_ffi_api.html#ffi_C"><tt>ffi.C</tt></a> namespace is
automatically created when the FFI library is loaded. C&nbsp;library
namespaces for specific shared libraries may be created with the
<a href="ext_ffi_api.html#ffi_load"><tt>ffi.load()</tt></a> API
function.
</p>
<p>
Indexing a C&nbsp;library namespace object with a symbol name (a Lua
string) automatically binds it to the library. First the symbol type
is resolved &mdash; it must have been declared with
<a hre