struct dfu_entity *dfu_get_entity(int alt);
char *dfu_extract_token(char** e, int *n);
void dfu_trigger_reset(void);
+int dfu_get_alt(char *name);
bool dfu_reset(void);
int dfu_init_env_entities(char *interface, int dev);
+unsigned char *dfu_get_buf(void);
+unsigned char *dfu_free_buf(void);
int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);