-make_canonical_huffman_code(unsigned num_syms, unsigned max_codeword_len,
- const freq_t freq_tab[], u8 lens[],
- u16 codewords[])
+make_canonical_huffman_code(unsigned num_syms,
+ unsigned max_codeword_len,
+ const freq_t * restrict freq_tab,
+ u8 * restrict lens,
+ u16 * restrict codewords)