taglinefilesource code
err_handler327net/inet/icmp.cif (iph->protocol == ipprot->protocol && ipprot->err_handler) 
err_handler329net/inet/icmp.cipprot->err_handler(err, (unsigned char *)(icmph + 1),
err_handler39net/inet/protocol.hvoid      (*err_handler)(int err, unsigned char *buff,