pub unsafe extern "C" fn unicode_normalize(
pdst: *mut *mut u32,
src: *const u32,
src_len: c_int,
n_type: UnicodeNormalizationEnum,
opaque: *mut c_void,
realloc_func: Option<unsafe extern "C" fn(opaque: *mut c_void, ptr: *mut c_void, size: usize) -> *mut c_void>,
) -> c_int