Function lysc_get_type_plugin 

pub unsafe extern "C" fn lysc_get_type_plugin(
    plugin_ref: usize,
) -> *mut lyplg_type

@brief Get a type plugin.

@param[in] plugin_ref Reference to a type plugin. Either an index in the type plugins array (e.g. 1 -> binary type) or a pointer to the user defined plugin. Indexes start at 1. @return Type plugin or NULL.