int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port,
const void *packet, size_t len);
-int dhcp_option_append(uint8_t **buf, size_t *buflen, uint8_t code,
- size_t optlen, const void *optval);
+int dhcp_option_append(DHCPMessage *message, size_t size, size_t *offset, uint8_t overload,
+ uint8_t code, size_t optlen, const void *optval);
typedef int (*dhcp_option_cb_t)(uint8_t code, uint8_t len,
const uint8_t *option, void *user_data);
dhcp_option_cb_t cb, void *user_data);
int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid, uint8_t type,
- uint8_t **opt, size_t *optlen);
+ size_t optlen, size_t *optoffset);
uint16_t dhcp_packet_checksum(void *buf, size_t len);