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GSM.H
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1994-04-15
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2KB
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74 lines
/*
* Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
* Universitaet Berlin. See the accompanying file "COPYRIGHT" for
* details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
/*$Header: /home/kbs/jutta/src/gsm/gsm-1.0/inc/RCS/gsm.h,v 1.2 1992/10/28 14:50:59 jutta Exp jutta $*/
#ifndef GSM_H
#define GSM_H
#ifdef __cplusplus
#define NeedFunctionPrototypes 1
#endif
#if __STDC__
#define NeedFunctionPrototypes 1
#endif
#ifdef _NO_PROTO
#undef NeedFunctionPrototypes
#endif
#undef GSM_P /* gnu stdio.h actually defines this... */
#if NeedFunctionPrototypes
#define GSM_P( protos ) protos
#else
#define GSM_P( protos ) ( /* protos */ )
#endif
#ifdef NeedFunctionPrototypes
#include <stdio.h> /* for FILE * */
#endif
/*
* Interface
*/
typedef struct gsm_state * gsm;
typedef short gsm_signal; /* signed 16 bit */
typedef unsigned char gsm_byte;
typedef gsm_byte gsm_frame[33]; /* 33 * 8 bits */
#define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */
#define GSM_PATCHLEVEL 0
#define GSM_MINOR 0
#define GSM_MAJOR 1
#define GSM_OPT_VERBOSE 1
#define GSM_OPT_FAST 2
#ifdef __cplusplus
extern "C" {
#endif
gsm gsm_create GSM_P((void));
void gsm_destroy GSM_P((gsm));
int gsm_print GSM_P((FILE *, gsm, gsm_byte *));
int gsm_option GSM_P((gsm, int, int *));
void gsm_encode GSM_P((gsm, gsm_signal *, gsm_byte *));
int gsm_decode GSM_P((gsm, gsm_byte *, gsm_signal *));
int gsm_explode GSM_P((gsm, gsm_byte *, gsm_signal *));
void gsm_implode GSM_P((gsm, gsm_signal *, gsm_byte *));
#ifdef __cplusplus
}
#endif
#undef GSM_P
#endif /* GSM_H */