}
/* For libusb0 filter */
-SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details_filter(struct libusb_context *ctx,
+static SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details_filter(struct libusb_context *ctx,
HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const GUID* guid, unsigned _index, char* filter_path){
SP_DEVICE_INTERFACE_DATA dev_interface_data;
SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
// Lookup for a match in the list of API driver names
// return -1 if not found, driver match number otherwise
-int get_sub_api(char* driver, int api){
+static int get_sub_api(char* driver, int api){
int i;
const char sep_str[2] = {LIST_SEPARATOR, 0};
char *tok, *tmp_str;
}
// Returns the api type, or 0 if not found/unsupported
-void get_api_type(struct libusb_context *ctx, HDEVINFO *dev_info,
+static void get_api_type(struct libusb_context *ctx, HDEVINFO *dev_info,
SP_DEVINFO_DATA *dev_info_data, int *api, int *sub_api)
{
// Precedence for filter drivers vs driver is in the order of this array