#ifndef lzio_h

#define lzio_h

#include "lua.h"

#include "lmem.h"

#define EOZ (-1) /* end of stream */

typedef struct Zio ZIO;

#define zgetc(z) (((z)->n--)>0 ? cast_uchar(*(z)->p++) : luaZ_fill(z))

typedef struct Mbuffer {

} Mbuffer;

#define luaZ_initbuffer(L, buff) ((buff)->buffer = NULL, (buff)->buffsize = 0)

#define luaZ_buffer(buff) ((buff)->buffer)

#define luaZ_sizebuffer(buff) ((buff)->buffsize)

#define luaZ_bufflen(buff) ((buff)->n)

#define luaZ_resetbuffer(buff) ((buff)->n = 0)

#define luaZ_resizebuffer(L, buff, size) \

(luaM_reallocvector(L, (buff)->buffer, (buff)->buffsize, size, char), \

(buff)->buffsize = size)

#define luaZ_freebuffer(L, buff) luaZ_resizebuffer(L, buff, 0)

LUAI_FUNC char *luaZ_openspace (lua_State *L, Mbuffer *buff, size_t n);

LUAI_FUNC void luaZ_init (lua_State *L, ZIO *z, lua_Reader reader,

void *data);

LUAI_FUNC size_t luaZ_read (ZIO* z, void* b, size_t n); /* read next n bytes */

struct Zio {

};

LUAI_FUNC int luaZ_fill (ZIO *z);