Added option to enable carbons (set carbons = 1 in mcabberrc) If the server supports carbons and the user has carbons enabled we enable them. Now we need to handle XEP-0297 (Stanza Forwarding) stanzas to make sure the messages end up at the correct place.

#ifndef __MCABBER_FIFO_H__
#define __MCABBER_FIFO_H__ 1

int  fifo_init(void);
void fifo_deinit(void);

#endif /* __MCABBER_FIFO_H__ */

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