+ZOOM_API(const char *)
+ZOOM_package_option_getl(ZOOM_package p, const char *key, int *lenp);
+
+ZOOM_API(void)
+ZOOM_package_option_set(ZOOM_package p, const char *key,
+ const char *val);
+
+ZOOM_API(void)
+ZOOM_package_option_setl(ZOOM_package p, const char *key,
+ const char *val, int len);