+int zpm_readopts(struct zpm *pkg, int ac, char **av);
+
+int zpm_vercmp(const char *a, const char *b);
+
+/* add vercmp collation to db */
+int zpm_addvercmp(struct zpm *pkg);
+
+int zpm_exec(struct zpm *z, const char *sql, int(*callback)(void *, int, char **, char**), void *arg, char **errmsg);
+
+
+#endif