int main(void)
{
    char *str_buffer = NULL;
    char **strs = NULL;
    size_t count=0;

    str_buffer = strdup("Try:   A string to split.");
    assert(str_buffer);

    strs = split2(str_buffer, &count);
    for (int i=0; i<count; i++) {
        printf("%d: %s\n", i, strs[i]);
    }
    free(str_buffer);
    return 0;
}