1 2 #include <unistd.h> 3 #include <fcntl.h> 4 5 static uint32_t buf[512/4]; 6 main() 7 { 8 u_int u = 0; 9 10 while (1) { 11 12 if (512 != read(0, buf, sizeof buf)) 13 break; 14 15 printf("%u %u\n", u++, buf[0]); 16 } 17 exit (0); 18 } 19