Mapping C struct to go

gistfile1.txt

func wirelessScan() int {

	p := C.malloc(unsafe.Pointer(C.wireless_scan_head{}))
	defer C.free(p)

	iface := C.CString("wlp4s0")
	sk := iwSocketsOpen()
	weVersion := getKernelWEVersion()

	ret := int(C.iw_process_scan(_Ctype_int(sk), iface, _Ctype_int(weVersion), unsafe.Pointer(p)))

	return ret
}

Returned error:
 dwojslaw  ~  GolandProjects  gowifiscanner  go run main.go wifi.go 
# command-line-arguments
./wifi.go:36:39: cannot convert _Ctype_struct_wireless_scan_head literal (type _Ctype_struct_wireless_scan_head) to type unsafe.Pointer
./wifi.go:43: cannot use unsafe.Pointer(p) (type unsafe.Pointer) as type *_Ctype_struct_wireless_scan_head in argument to func literal