void opkg_free (opkg_t *opkg);
void opkg_get_option (opkg_t *opkg, char *option, void **value);
void opkg_set_option (opkg_t *opkg, char *option, void *value);
+int opkg_read_config_files (opkg_t *opkg);
int opkg_install_package (opkg_t *opkg, char *package_name);
int opkg_remove_package (opkg_t *opkg, char *package_name);