TEXT

#include <string.h>

size_t pack_word(struct Word *word, void *packed) {
    unsigned char length = strlen(word->str);
    unsigned char header = (word->part << 5) | length;

    unsigned char *buffer = (unsigned char *)packed;
    *buffer = header;
    buffer++;

    for (size_t i = 0; i < length; i++) {
        buffer[i] = word->str[i];
    }

    return length + 1;
}

    int i = 0;
    while (words[i] != NULL) {
        size_t bytes = pack_word(words[i], buffer);
        buffer += bytes;
        totalBytes += bytes;
        i++;
}

size_t pack_dictionary(struct Word *words[], void *dict) {
    size_t totalBytes = 0;
    unsigned char *buffer = (unsigned char *)dict;

    for (int i = 0; words[i] != NULL; i++) {
        size_t bytes = pack_word(words[i], buffer);
        buffer += bytes;
        totalBytes += bytes;
    }

    *buffer = 0;
    totalBytes++;

    return totalBytes;
}

int i = 0;
while (words[i] != NULL) {
    size_t bytes = pack_word(words[i], buffer);
    buffer += bytes;
    totalBytes += bytes;
    i++;
}