int
libnet_init_packet(p_size, buf)
                size_t p_size
                u_char & buf
        CODE:
                u_char * buf_temp;
                buf_temp = &buf;
                RETVAL = libnet_init_packet(p_size, &buf_temp);
        OUTPUT:
                RETVAL
                buf

int
libnet_destroy_packet(buf)
                u_char & buf
        CODE:
                u_char * buf_temp;
                buf_temp = &buf;
                RETVAL = libnet_destroy_packet(&buf_temp);
        OUTPUT:
                RETVAL
                buf     sv_setsv(ST(0),&PL_sv_undef);