#ifndef HEADER_COMP_H
#define HEADER_COMP_H
#include <openssl/crypto.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct comp_method_st
{
int type;
const char *name;
int (*init)();
void (*finish)();
int (*compress)();
int (*expand)();
long (*ctrl)();
long (*callback_ctrl)();
} COMP_METHOD;
typedef struct comp_ctx_st
{
COMP_METHOD *meth;
unsigned long compress_in;
unsigned long compress_out;
unsigned long expand_in;
unsigned long expand_out;
CRYPTO_EX_DATA ex_data;
} COMP_CTX;
COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
void COMP_CTX_free(COMP_CTX *ctx);
int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
unsigned char *in, int ilen);
int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
unsigned char *in, int ilen);
COMP_METHOD *COMP_rle(void );
#ifdef ZLIB
COMP_METHOD *COMP_zlib(void );
#endif
#ifdef __cplusplus
}
#endif
#endif