| 1 | #include <stdio.h> |
| 2 | #include <unistd.h> |
| 3 | #include <stdlib.h> |
| 4 | |
| 5 | int main (int argc, char **argv) |
| 6 | { |
| 7 | unsigned char buf[1024]; |
| 8 | int i, n; |
| 9 | |
| 10 | while ((n = read (0, buf, 1024)) > 0) { |
| 11 | for (i=0;i<n;i++) |
| 12 | printf ("%d\n", 255-buf[i]); |
| 13 | } |
| 14 | exit (0); |
| 15 | } |