Function esp_idf_sys::esp_netif_dhcpc_option
source ยท pub unsafe extern "C" fn esp_netif_dhcpc_option(
esp_netif: *mut esp_netif_t,
opt_op: esp_netif_dhcp_option_mode_t,
opt_id: esp_netif_dhcp_option_id_t,
opt_val: *mut c_void,
opt_len: u32,
) -> esp_err_t
Expand description
@brief Set or Get DHCP client option
@param[in] esp_netif Handle to esp-netif instance @param[in] opt_op ESP_NETIF_OP_SET to set an option, ESP_NETIF_OP_GET to get an option. @param[in] opt_id Option index to get or set, must be one of the supported enum values. @param[inout] opt_val Pointer to the option parameter. @param[in] opt_len Length of the option parameter.
@return - ESP_OK - ESP_ERR_ESP_NETIF_INVALID_PARAMS - ESP_ERR_ESP_NETIF_DHCP_ALREADY_STOPPED - ESP_ERR_ESP_NETIF_DHCP_ALREADY_STARTED