pub unsafe extern "C" fn esp_http_client_open(
    client: esp_http_client_handle_t,
    write_len: c_int
) -> esp_err_t
Expand description

@brief This function will be open the connection, write all header strings and return

@param[in] client The esp_http_client handle @param[in] write_len HTTP Content length need to write to the server

@return

  • ESP_OK
  • ESP_FAIL