57 struct compressor {  struct
60 	/* Allocate space for a compressor (transmit side) */  argument
62 	/* Free space used by a compressor */  argument
64 	/* Initialize a compressor */  argument
67 	/* Reset a compressor */  argument
75 	/* Allocate space for a decompressor (receive side) */  argument
77 	/* Free space used by a decompressor */  argument
79 	/* Initialize a decompressor */  argument
82 	/* Reset a decompressor */  argument
83 	void	(*decomp_reset) __P((void *state));
85 	int	(*decompress) __P((void *state, PACKETPTR *mp));
87 	int	(*incomp) __P((void *state, PACKETPTR mp));
89 	void	(*decomp_stat) __P((void *state, struct compstat *stats));
92 	int	(*set_effort) __P((void *xstate, void *rstate,