* @section: section name (optional)
* @option option name (optional)
*/
-extern int uci_revert(struct uci_context *ctx, struct uci_package **p, char *section, char *option);
+extern int uci_revert(struct uci_context *ctx, struct uci_package **p, const char *section, const char *option);
/**
* uci_parse_argument: parse a shell-style argument, with an arbitrary quoting style