Function esp_netif_ppp_set_auth

pub unsafe extern "C" fn esp_netif_ppp_set_auth(
    netif: *mut esp_netif_t,
    authtype: esp_netif_auth_type_t,
    user: *const c_char,
    passwd: *const c_char,
) -> esp_err_t

@brief Sets the auth parameters for the supplied esp-netif.

@param[in] esp_netif Handle to esp-netif instance @param[in] authtype Authorisation type @param[in] user User name @param[in] passwd Password

@return ESP_OK on success, ESP_ERR_ESP_NETIF_INVALID_PARAMS if the supplied netif is not of PPP type, or netif is null