text: #ifndef _WIFISCAN_H
  #define _WIFISCAN_H
  
  // ESP32 Functions
  #include <esp_wifi.h>
  
  // Hash function for scrambling MAC addresses
  #include "hash.h"
  
  void wifi_sniffer_init(void);
  static void IRAM_ATTR wifi_sniffer_packet_handler(void *buff, wifi_promiscuous_pkt_type_t type);
  void switchWifiChannel(TimerHandle_t xTimer);
  
  #endif