#include #include #include #include int main (int argc, char *argv []) { if (argc < 3) { fputs ("Usage: iopl level command\n", stderr); exit (1); } if (iopl (atoi (argv [1])) < 0) { perror ("iopl"); exit (1); } setuid (getuid ()); exit (system (argv [2])); return 0; }