pub unsafe extern "C" fn LevelImage(
arg1: *mut Image,
arg2: f64,
arg3: f64,
arg4: f64,
arg5: *mut ExceptionInfo,
) -> MagickBooleanType
pub unsafe extern "C" fn LevelImage(
arg1: *mut Image,
arg2: f64,
arg3: f64,
arg4: f64,
arg5: *mut ExceptionInfo,
) -> MagickBooleanType