| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | #include <stdio.h> |
| 2 | #include <netdb.h> | ||||
| 3 | int main(void) | ||||
| 4 | { | ||||
| 5 | struct netent *net; | ||||
| 6 | setnetent(0); | ||||
| 7 | while ((net = getnetent())) { | ||||
| 8 | while (net->n_net && !((net->n_net >> 24) & 0xff)) { | ||||
| 9 | net->n_net <<= 8; | ||||
| 10 | } | ||||
| 11 | printf("%lu.%lu.%lu.%lu\n", | ||||
| 12 | (net->n_net >> 24) & 0xff, (net->n_net >> 16) & 0xff, | ||||
| 13 | (net->n_net >> 8) & 0xff, net->n_net & 0xff); | ||||
| 14 | } | ||||
| 15 | endnetent(); | ||||
| 16 | return 0; | ||||
| 17 | } | ||||