#if defined(CONFIG_BOOTP_VENDOREX)
extern u8 *dhcp_vendorex_prep(u8 *e); /*rtn new e after add own opts. */
extern u8 *dhcp_vendorex_proc(u8 *e); /*rtn next e if mine,else NULL */
#endif
#else
#if defined(CONFIG_BOOTP_VENDOREX)
extern u8 *dhcp_vendorex_prep(u8 *e); /*rtn new e after add own opts. */
extern u8 *dhcp_vendorex_proc(u8 *e); /*rtn next e if mine,else NULL */
#endif
#else