/* $NetBSD: trygetea.c,v 1.5 2007/03/10 00:16:51 hubertf Exp $ */ #include <sys/cdefs.h> #ifndef lint __RCSID("$NetBSD: trygetea.c,v 1.5 2007/03/10 00:16:51 hubertf Exp $"); #endif /* * trygetea.c - test program for getether.c */ #include <sys/types.h> #include <sys/socket.h> #if defined(SUNOS) || defined(SVR4) #include <sys/sockio.h> #endif #include <net/if.h> /* for struct ifreq */ #include <netinet/in.h> #include <arpa/inet.h> /* inet_ntoa */ #include <netdb.h> #include <stdio.h> #include <errno.h> int main(int argc, char **argv) { u_char ea[16]; /* Ethernet address */ int i; if (argc < 2) { fprintf(stderr, "need interface name\n"); exit(1); } if ((i = getether(argv[1], ea)) < 0) { fprintf(stderr, "Could not get Ethernet address (rc=%d)\n", i); exit(1); } printf("Ether-addr"); for (i = 0; i < 6; i++) printf(":%x", ea[i] & 0xFF); printf("\n"); return 0; } |