asd

 while(m < i+3){
                newpos = rand()%(i+3);
                o = 0;
                exit = 0;
                while(pos[o] != '\0'){
                    if (pos[o] == newpos ){
                        exit = 1;
                        newpos = rand()%(i+3);
                        o = 0;
                    }
                    else{
                        o++;
                    }
                }
                pos[m] = newpos;
                m++;
            }
}