7 printf("this test program must be run as root\n");
11 printf("uid=%d euid=%d\n",getuid(),geteuid());
13 setreuid (148,-1) || setreuid (-1,148);
16 printf("uid=%d euid=%d\n",getuid(),geteuid());
20 setreuid (-1,0) || setreuid (0,-1);
22 printf("uid=%d euid=%d\n",getuid(),geteuid());