Function ulGetConfig 

pub unsafe extern "C" fn ulGetConfig(
    configItem: UlConfigItem,
    index: c_uint,
    configValue: *mut c_longlong,
) -> UlError

Returns a configuration option set for the library.
Use ulSetConfig() to change configuration options. @param configItem the configuration item to retrieve @param index the index into the \p configItem @param configValue the specified configuration value is returned to this variable @return The UL error code.