char * wordWrap(int width, const char * src) {
    int src_len       = strlen(src);
    char * return_arr = (char*) malloc(sizeof(char) * src_len);
    return_arr = (char*)src;
    int a = 0, i, j;
    for (i = 1; i <= src_len; i++) {
        j = i * width;
        if (j >= src_len) break;
        if (return_arr[j] != ' ') {
            a = find_space(return_arr, j);
            if ((j - a) > width) return NULL;
            return_arr[j], j, src_len, a);
            return_arr[a] = 'n';
            }
            else if (return_arr[j] == ' ') {
                return_arr[j] = 'n';
            }
    }
    return return_arr;
}