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- struct relay {
- /* IN: file descriptor to read from */
- int source;
- /* IN: file descriptor to read to */
- int dest;
- /* IN+OUT: errno for failed read. -1 if EOF reached. */
- int readerror;
- /* IN+OUT: errno for failed write. EPIPE if receiver is dead. */
- int writeerror;
- /* IN: for private use by the callback function */
- void * userdata;
- };
-
-
- extern int relay_once(struct relay *,
- int,
- struct timeval *,
- int (*)(struct relay*, char*, size_t));
- extern int relay_all(struct relay *,
- int,
- int (*)(struct relay*, char*, size_t));
-