/* Structured input/output */

#ifndef __intext__
#define __intext__

#include "misc.h"
#include "mlvalues.h"
#include "io.h"

/* Magic number */

#define Base_magic_number 0x8495A6B9
#define Compact_magic_number (Base_magic_number + 4)

/* Codes for the compact format */

#define PREFIX_SMALL_BLOCK 0x80
#define PREFIX_SMALL_INT 0x40
#define PREFIX_SMALL_STRING 0x20
#define CODE_INT8 0x0
#define CODE_INT16 0x1
#define CODE_INT32 0x2
#define CODE_INT64 0x3
#define CODE_SHARED8 0x4
#define CODE_SHARED16 0x5
#define CODE_SHARED32 0x6
#define CODE_BLOCK32 0x8
#define CODE_STRING8 0x9
#define CODE_STRING32 0xA
#define CODE_DOUBLE_BIG 0xB
#define CODE_DOUBLE_LITTLE 0xC
#ifdef BIG_ENDIAN
#define CODE_DOUBLE_NATIVE CODE_DOUBLE_BIG
#else
#define CODE_DOUBLE_NATIVE CODE_DOUBLE_LITTLE
#endif

/* Initial sizes of data structures for extern */

#ifndef INITIAL_EXTERN_SIZE
#define INITIAL_EXTERN_SIZE 4096
#endif
#ifndef INITIAL_EXTERN_TABLE_SIZE
#define INITIAL_EXTERN_TABLE_SIZE 2039
#endif

/* The entry points */

value output_value P((struct channel *, value));
value input_value P((struct channel *));


#endif