int zpm_script_hash(struct zpm *zpm, char *pkgstr, char *phase, char *hash);
int zpm_script_set(struct zpm *zpm, char *pkgstr, char *phase, char *hash);
+int zpm_foreach_script(struct zpm *zpm, char *pkgstr, char *stage, void *cbd,
+ int (*cb)(void *ud, const char *pkg, const char *stage, const char *hash));
int zpm_package_hash(struct zpm *zpm, char *pkgid, char *hash);
int zpm_package_sethash(struct zpm *zpm, char *pkgid, char *hash);