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/*
** adpcm.h - include file for adpcm coder.
**
** Version 1.0, 7-Jul-92.
*/
struct adpcm_state {
short valprev; /* Previous output value */
char index; /* Index into stepsize table */
};
#ifdef __STDC__
#define ARGS(x) x
#else
#define ARGS(x) ()
#endif
void adpcm_coder ARGS((short [], char [], int, struct adpcm_state *));
void adpcm_decoder ARGS((char [], short [], int, struct adpcm_state *));
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