int main() { struct ifaddrs *a = NULL, *b; getifaddrs2(&a, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS, sizeof(struct ifreq)); print_ifaddrs(a); printf("---\n"); getifaddrs(&b); print_ifaddrs(b); return 0; }
int main(int argc, char **argv) { struct ifaddrs *addrs = NULL; int ret, optidx = 0; setprogname (argv[0]); if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) usage (1); if (help_flag) usage (0); if (version_flag) { fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION); return 0; } if (rk_SOCK_INIT()) errx(1, "Couldn't initialize sockets. Err=%d\n", rk_SOCK_ERRNO); ret = getifaddrs(&addrs); if (ret != 0) err(1, "getifaddrs"); if (addrs == NULL) errx(1, "address == NULL"); print_ifaddrs(addrs); /* Check that freeifaddrs doesn't crash */ freeifaddrs(addrs); rk_SOCK_EXIT(); return 0; }