| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | /* |
| 3 | * clock - continually print the time of day |
| 4 | */ |
| 5 | main() |
| 6 | { |
| 7 | register char *tp; |
| 8 | int tim[2]; |
| 9 | extern int stop(); |
| 10 | |
| 11 | setexit(); |
| 12 | signal(3, &stop); |
| 13 | time(tim); |
| 14 | tp = ctime(tim)+11; |
| 15 | printf("\n\t%8.8s\t", tp); |
| 16 | while (1) |
| 17 | { |
| 18 | time(tim); |
| 19 | tp = ctime(tim)+11; |
| 20 | printf("%8.8s\b\b\b\b\b\b\b\b",tp); |
| 21 | sleep(1); |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | |
| 26 | stop() |
| 27 | { |
| 28 | extern int start(); |
| 29 | signal(3, &start); |
| 30 | while (1) sleep(3600); |
| 31 | } |
| 32 | |
| 33 | start() |
| 34 | { |
| 35 | reset(); |
| 36 | |
| 37 | } |