Function gnunet_sys::GNUNET_ATS_print_preference_type

pub unsafe extern "C" fn GNUNET_ATS_print_preference_type(
    type_: GNUNET_ATS_PreferenceKind
) -> *const c_char

Convert a GNUNET_ATS_PreferenceType to a string

@param type the preference type @return a string or NULL if invalid