Function encode

contents/huffman_encoding/code/c/huffman.c:208–222

}

char* encode(const char* input, struct tree** huffman_tree,
                struct codebook* codebook) {
    *huffman_tree = generate_tree(input);
    *codebook = generate_codebook(*huffman_tree);

    char* result = duplicate(get_code(codebook, *input));

    input += 1;

    for (; *input; ++input) {
        concat(&result, get_code(codebook, *input));
    }

    return result;
}

const char* decode_recurse(const char* input, const struct tree* tree,
                            char** result) {