이중포인터?

//char **makeargv(char *s){
void makeargv(char *s){
        int **sp = &s;
        int cnt=0;

        for(cnt; cnt<4;cnt++){
                printf("[1-%d] %s\n",cnt, *(*sp+cnt));
        }
}

int main(int argc,char *argv[]){
        int i=0;
        if(argc == 1){
                printf("no argument\n");
                exit(0);
        }
        makeargv(argv);
        return 0;
}

root@ubuntu:~/leo# ./ex3 1 2 3

   [1-0] ./ex3

   [1-1] 1

   [1-2] 2

   [1-3] 3