#ifndef __SCAN_DATA_H__#define __SCAN_DATA_H__#include "iwcommon.h"#include "nmea/gpgll.h"typedef struct scan_data_t {  char essid[IW_ESSID_MAX_SIZE + 1];  char ap_mac[18];  long   bitrate;  double frequency;  int  link_quality;  long link_total;  int  link_samples;  char location[1024];      gps_gpgll gps_coords; /* location of strongest signal */  struct services {     int dhcp;  } services;} scan_data_t;void get_scan_data(int sock, const char *ifname, scan_data_t *data);#endif