#define FLAG_MISSING_DIR (1<<4) /* generator */
#define FLAG_HLINKED (1<<5) /* receiver/generator */
#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
#define FLAG_HLINK_DONE (1<<8) /* receiver/generator */
#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
#define FLAG_MISSING_DIR (1<<4) /* generator */
#define FLAG_HLINKED (1<<5) /* receiver/generator */
#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
#define FLAG_HLINK_DONE (1<<8) /* receiver/generator */
#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */