char** array;

if(ts3Functions.getPlaybackModeList(&array) == ERROR_ok) {
    for(int i=0; array[i] != NULL; ++i) {
        printf("Mode: %s\n", array[i]);
        ts3client_freeMemory(array[i]);  // Free C-string
    }
    ts3client_freeMemory(array);  // Free the array
}