| /* | |
| ** 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 *)); |