int attr_parse(struct pmhash **pmhash, char *arg);
char * attr_get(struct pmhash *pmhash, char *key);
int attr_out(FILE *f, struct pmhash *attr, char *key, int size);
int attr_parse(struct pmhash **pmhash, char *arg);
char * attr_get(struct pmhash *pmhash, char *key);
int attr_out(FILE *f, struct pmhash *attr, char *key, int size);