newlisp.h

/* newlisp.h - header file for newLISP

    Copyright (C) 2015 Lutz Mueller

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef NEWLISP_H
#define NEWLISP_H

/* Take out bigger, less used code portions.  By default these capabilities 
   are enabled on all shipped binaries. Out-comment definitions to suppress.
   Other capabilities like READLINE, SUPPORT_UTF8 can be en/disabled in
   makefiles.
   Undefining DEBUGGER does not affected simple tracing with (trace <device-no>)
*/

#define XML_SUPPORT
#define BIGINT
#define KMEANS 
#define DEBUGGER


/* config.h is only needed when doing auto configuration with ./configure-alt */
#ifdef NEWCONFIG
#include "config.h"
#else
#define NEWLISPDIR "/usr/local/share/newlisp"
#endif

/* force ISO_C90 restrictions */
#if defined(CYGWIN) || defined(OS2) || defined(SOLARIS) || defined(AIX) || defined(SUNOS)
/* not sure how this plays with introducing C99 based inttypes.h header file in 10.6.3 */
#define ISO_C90
#endif

#ifdef LINUX
#define OSTYPE "Linux"
#endif

#ifdef ANDROID
#define NO_SEMAPHORE 
#endif

#ifdef _BSD
#define OSTYPE "BSD"
#endif

#ifdef KFREEBSD
#define OSTYPE "GNU/kFreeBSD"
#endif

#ifdef MAC_OSX
#ifdef EMSCRIPTEN
#define OSTYPE "JS"
#else
#define OSTYPE "OSX"
#endif
#endif

#ifdef SOLARIS
#define OSTYPE "Solaris"
#endif

#ifdef SUNOS
#define SOLARIS
#define SPARC
#define OSTYPE "SunOS"
#endif

#ifdef TRU64
#define OSTYPE "Tru64Unix"
#endif

#ifdef AIX 
#define OSTYPE "AIX" 
#endif 


#ifdef WINDOWS
#define OSTYPE "Windows"
#ifdef NEWLISP64
#define WIN_64 
#else
#define WIN_32
#endif
#endif

#ifdef CYGWIN
#define OSTYPE "Cygwin"
#endif

#ifdef OS2 
#define OSTYPE "OS/2" 
#endif 

/* include -DFFI in your makefile on the compile line 
   and -lffi on the link line */
#ifdef FFI

#if defined(MAC_OSX)
#include <ffi/ffi.h>
#endif

#if defined(WINDOWS)  
#include "win-ffi.h" 
#endif

#if defined(LINUX) || defined(_BSD) || defined(KFREEBSD) || defined(CYGWIN) 
#include <ffi.h>
#endif

#define LIBFFI " libffi"
#else /* not FFI */
#define LIBFFI ""

#endif /* FFI */

#ifdef TRU64
#define strtoll strtol
#define strtoull strtoul
#endif

#if defined(SOLARIS) || defined(TRU64) || defined(AIX)
#define MY_RAND_MAX 2147483647
#else
#define MY_RAND_MAX RAND_MAX
#endif

#ifdef LIBRARY
#define NO_FORK
#define NO_SPAWN
#define NO_DEBUG
#define NO_TIMER
#endif

#ifdef EMSCRIPTEN
#define NO_DEBUG
#define NO_NET_FUNCTIONS
#define NO_WEB_FUNCTIONS
#endif


/* 
This is for 64bit large file support (LFS),
*/
#define LFS
#ifdef LFS
#if defined(SOLARIS) || defined(TRU64) || defined(AIX)
#define _LARGEFILE64_SOURCE 1
#endif
#define _FILE_OFFSET_BITS 64
#endif

#ifdef WINDOWS
/* NOTE:
 * Windows XP [0x0501] end of support on 2014/04/08
 * WIndows Vista [0x0600] support ends on 2017/04/11
 */
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#endif
#endif

#include <signal.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <setjmp.h>
#include <stdarg.h>
#include <dirent.h>
#include <limits.h>

/* some Linux do UTF-8 but do not have wcsftime() 
   buggy in some GCC, i.e. MinGW and Solaris
*/

#ifdef SUPPORT_UTF8
#ifdef LINUX
#include <wchar.h>
#define WCSFTIME
#endif
#ifdef WINDOWS
#include <wchar.h>
#endif
#ifdef CYGWIN
#include <wchar.h>
#define WCSFTIME
#endif
#endif

#ifdef WINDOWS
#include <windef.h>
#include <winbase.h>
#else
#include <termios.h>
#include <sys/wait.h>
#endif

#include <unistd.h>
#include <sys/time.h>
#include <math.h>
#include <float.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <stdarg.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>

#if defined(LINUX) || defined(WINDOWS) || defined(OS2)
#include <malloc.h>
#endif

#if defined(MAC_OSX) || defined(SOLARIS) || defined(TRU64) || defined(AIX)
#include <alloca.h>
#endif

#ifdef OS2
#define vasprintf my_vasprintf 
#define MY_VASPRINTF 
#define NO_SPAWN
#define NO_FORK
#define NO_SHARE
#define NO_PACKET
#endif

#if defined(SOLARIS) || defined(TRU64) || defined(AIX)
#define vasprintf my_vasprintf
#define MY_VASPRINTF
#endif

#if defined(SOLARIS) && defined(SPARC)
#define setenv my_setenv 
#define MY_SETENV 
#endif

#ifdef WINDOWS

/* not needed on later MinGW, linker will complain if necessary  */
#define MY_VASPRINTF
#define vasprintf my_vasprintf

#define MY_SETENV
#define NO_SPAWN
#define NO_FORK
#define NO_NET_PACKET
#define NO_NET_PING

#define LITTLE_ENDIAN
#define LINE_FEED "\r\n"
#define LINE_FEED_LEN 2
#define getSocket(A) ((A)->_file)
#define setenv my_setenv
#define random rand
#define srandom srand
#define ioctl ioctlsocket
#define off_t off64_t
#define lseek lseek64
#define ftell ftello64
#define getpid GetCurrentProcessId

#ifndef SUPPORT_UTF8 
#define mkdir  _mkdir
#define rmdir  _rmdir
#define lstat stat
#endif

#define realpath win_realpath

/* WINDOWS UTF16 support for file paths */
#ifdef SUPPORT_UTF8 
#define USE_WIN_UTF16PATH
#define rename rename_utf16
#define open open_utf16
#define mkdir mkdir_utf16
#define rmdir rmdir_utf16
#define unlink unlink_utf16
#define chdir chdir_utf16
#define opendir opendir_utf16
#define DIR _WDIR
#define lstat _wstat
#define dirent _wdirent
#define readdir _wreaddir
#define closedir _wclosedir
#endif /* SUPPORT_UTF8 */

#endif /* WINDOWS */

#ifndef WINDOWS
#define LINE_FEED "\n"
#define LINE_FEED_LEN 1
#define NANOSLEEP
#endif

#ifndef O_BINARY
#define O_BINARY 0
#endif

#define UTF8_MAX_BYTES 6

#include <stdint.h>
#include <inttypes.h>

#define UINT   uintptr_t  /* either 32-bit on ILP32 or 64-bit on LP64,LLP64 */
#define INT    intptr_t   /* replaces 'long' which stayed 32-bit on Windows LLP64 */   

#define INT16  int16_t
#define INT64  int64_t
#define UINT64 int64_t

#define MAX_LONG INTPTR_MAX

#define CONNECT_TIMEOUT 10000 

#define pushEnvironment(A) (*(envStackIdx++) = (UINT)(A))
#define popEnvironment() (*(--envStackIdx))

/* reading top of stack in copyCell() does not require
   subtracting 1 from index (changed in 10.3.2 */
#define pushResult(A) (*(++resultStackIdx) = (UINT)(A))
#define popResult() ((CELL *)*(resultStackIdx--))

#define freeMemory free

#define INT32_MIN_AS_INT64 (((long long int)0xFFFFFFFF << 32) | 0x80000000)
#define MY_INT64_MAX (((long long int)0x7FFFFFFF << 32) | 0xFFFFFFFF)
#define TRUE 1
#define FALSE 0
  
#define MAX_STRING 2048 /* buffer length */
#define MAX_LINE 256 /* buffer length */
/* following limits are only for parsing */
#define MAX_COMMAND_LINE 1024 /* buffer length */
#define MAX_SYMBOL 1023 /* string length -1 */
#define MAX_DIGITS 1001 /* 1000 + sign, limitation only for parsing source */
#define MAX_HEX_NO MAX_DIGITS /* 16 + 0x */
#define MAX_BIN_NO MAX_DIGITS /* 64 + 0B */
#define MAX_DECIMALS MAX_DIGITS /* 32, numbers with decimal point */

#define MAX_FILE_BUFFER 0x2000
#define MAX_BLOCK 4095
#define MAX_URL_LEN 255 /* strlen() */

#define MAX_REGEX_EXP 16 

/* token types */
#define TKN_ERROR -1
#define TKN_EMPTY 0
#define TKN_CHARACTER 1
#define TKN_HEX 2
#define TKN_OCTAL 3
#define TKN_BINARY 4
#define TKN_DECIMAL 5
#define TKN_FLOAT 6
#define TKN_STRING 7
#define TKN_SYMBOL 8
#define TKN_CONTEXT 9
#define TKN_LEFT_PAR '('
#define TKN_RIGHT_PAR ')'
#define TKN_QUOTE '\''

/* symbol flags types and masks */
#define PRINT_TYPE_MASK 0x0F
#define SYMBOL_PROTECTED 0x10
#define SYMBOL_GLOBAL 0x20
#define SYMBOL_BUILTIN 0x40
#define SYMBOL_FFI 0x100
#define SYMBOL_MACRO 0x200
#define SYMBOL_DESTRUCTIVE 0x400

/* cell masks */

#define RAW_TYPE_MASK 0x0FFF
#define COMPARE_TYPE_MASK 0x000F
#define ENVELOPE_TYPE_MASK 0x0010
#define LIST_TYPE_MASK 0x0020
#define SYMBOL_TYPE_MASK 0x0040
#define NUMBER_TYPE_MASK 0x0080
#define EVAL_SELF_TYPE_MASK 0x0100
#define INT64_MASK 0x0200
#define BIGINT_MASK 0x0400
#define CALL_CDECL_MASK 0x1000
#define CALL_DLL_MASK 0x2000
#define CALL_FFI_MASK 0x4000
#define IMPORT_MASK (CALL_CDECL_MASK | CALL_DLL_MASK | CALL_FFI_MASK)
/* only used for type ids used in shared memory
   to indicate translation from string */
#define SHARED_MEM_EVAL_MASK 0x8000

/* cell types, do not change these without changing newlisp.c/cellCopy() */
#define CELL_NIL (0 | EVAL_SELF_TYPE_MASK)
#define CELL_TRUE (1 | EVAL_SELF_TYPE_MASK)
#define CELL_INT 2 /* any INT */
#define CELL_LONG (2 | EVAL_SELF_TYPE_MASK | NUMBER_TYPE_MASK)
#ifndef NEWLISP64
#define CELL_INT64 (2 | EVAL_SELF_TYPE_MASK | NUMBER_TYPE_MASK | INT64_MASK)
#endif

#ifdef BIGINT
#define CELL_BIGINT (2 | EVAL_SELF_TYPE_MASK | NUMBER_TYPE_MASK | BIGINT_MASK)
#endif

#define CELL_FLOAT (3 | EVAL_SELF_TYPE_MASK | NUMBER_TYPE_MASK)
#define CELL_STRING (4 | EVAL_SELF_TYPE_MASK)
#define CELL_SYMBOL (5 | SYMBOL_TYPE_MASK)
#define CELL_CONTEXT 6
#define CELL_PRIMITIVE (7 | EVAL_SELF_TYPE_MASK)
#define CELL_IMPORT_CDECL (8 | EVAL_SELF_TYPE_MASK | CALL_CDECL_MASK)
#define CELL_IMPORT_DLL (8 | EVAL_SELF_TYPE_MASK | CALL_DLL_MASK)
#define CELL_IMPORT_FFI (9 | EVAL_SELF_TYPE_MASK | CALL_FFI_MASK)
#define CELL_QUOTE (10 | ENVELOPE_TYPE_MASK)
#define CELL_EXPRESSION (11 | ENVELOPE_TYPE_MASK | LIST_TYPE_MASK)
#define CELL_LAMBDA (12 | ENVELOPE_TYPE_MASK | LIST_TYPE_MASK | EVAL_SELF_TYPE_MASK)
#define CELL_FEXPR (13 | ENVELOPE_TYPE_MASK | LIST_TYPE_MASK | EVAL_SELF_TYPE_MASK)
#define CELL_ARRAY (14 | ENVELOPE_TYPE_MASK | EVAL_SELF_TYPE_MASK)
#define CELL_DYN_SYMBOL (15 | SYMBOL_TYPE_MASK)
#define CELL_FREE 0xFF

/* cell type classes */
#define isEnvelope(A) ((A) & ENVELOPE_TYPE_MASK)
#define isList(A) ((A) & LIST_TYPE_MASK)
#define isNumber(A) ((A) & NUMBER_TYPE_MASK)
#define isSymbol(A) ((A) & SYMBOL_TYPE_MASK)
#define isSelfEval(A) ((A) & EVAL_SELF_TYPE_MASK)

/* symbol classes */
#define isProtected(A) ((A) & (SYMBOL_PROTECTED | SYMBOL_MACRO))
#define isBuiltin(A) ((A) & SYMBOL_BUILTIN)
#define isGlobal(A) ((A) & SYMBOL_GLOBAL)
#define isFFIsymbol(A) ((A) & SYMBOL_FFI)

#define isDigit(A) isdigit((int)(A))
#define isHexDigit(A) isxdigit((int)(A))

#define isNil(A) ((A)->type == CELL_NIL || ((A)->type == CELL_SYMBOL && (A)->contents == (UINT)nilSymbol))
#define isTrue(A) ((A)->type == CELL_TRUE || ((A)->type == CELL_SYMBOL && (A)->contents == (UINT)trueSymbol))
#define isEmpty(A) ((A)->type == CELL_EXPRESSION && (A)->contents == (UINT)nilCell)

#define symbolType(A) ((CELL*)(A)->contents)->type

/* redefine some functions */
#ifdef NEWLISP64
#define stuffInteger64 stuffInteger
#endif

/* RED BLACK binary balanced tree: nl-symbol.c */
#define BLACK 0
#define RED 1
#define NIL_SYM &sentinel
#define LOOKUP_ONLY 0		/* symbol lookup only, if not found return NULL */
#define FORCE_CREATION 1	/* if symbol does not exist, create it */

/* traceFlag */
#define TRACE_TRUE 0x0001
#define TRACE_IN_ENTRY 0x0002
#define TRACE_IN_EXIT 0x0004
#define TRACE_IN_DEBUG 0x0008
#define TRACE_DEBUG_PENDING 0x0010
#define TRACE_DEBUG_EVAL 0x0020
#define TRACE_DEBUG_STEP 0x0040
#define TRACE_DEBUG_NEXT 0x0080
#define TRACE_PRINT_EVAL 0x0100
#define TRACE_SIGINT 0x1000
#define TRACE_TIMER  0x2000
#define TRACE_SIGNAL 0x4000
#define TRACE_CILK 0x8000

/* error handling */

#define ERR_NOT_ENOUGH_MEMORY 1
#define ERR_OUT_OF_ENV_STACK 2
#define ERR_OUT_OF_CALL_STACK 3
#define ERR_ACCESSING_FILE 4
#define ERR_EXPRESSION 5
#define ERR_MISSING_PAR 6
#define ERR_STRING_TOO_LONG 7
#define ERR_MISSING_ARGUMENT 8
#define ERR_NUMBER_OR_STRING_EXPECTED 9
#define ERR_NUMBER_EXPECTED 10
#define ERR_STRING_EXPECTED 11
#define ERR_SYMBOL_EXPECTED 12
#define ERR_CONTEXT_EXPECTED 13
#define ERR_SYMBOL_OR_CONTEXT_EXPECTED 14
#define ERR_LIST_EXPECTED 15
#define ERR_LIST_OR_ARRAY_EXPECTED 16
#define ERR_LIST_OR_SYMBOL_EXPECTED 17
#define ERR_LIST_OR_STRING_EXPECTED 18
#define ERR_LIST_OR_NUMBER_EXPECTED 19
#define ERR_ARRAY_EXPECTED 20
#define ERR_ARRAY_LIST_OR_STRING_EXPECTED 21
#define ERR_LAMBDA_EXPECTED 22
#define ERR_MACRO_EXPECTED 23
#define ERR_INVALID_FUNCTION 24
#define ERR_INVALID_LAMBDA 25
#define ERR_INVALID_MACRO 26
#define ERR_INVALID_LET 27
#define ERR_SAVING_FILE 28
#define ERR_MATH 29
#define ERR_NOT_MATRIX 30
#define ERR_WRONG_DIMENSIONS 31
#define ERR_SINGULAR 32
#define ERR_INVALID_OPTION 33
#define ERR_THROW_WO_CATCH 34
#define ERR_IMPORT_LIB_NOT_FOUND 35
#define ERR_IMPORT_FUNC_NOT_FOUND 36
#define ERR_SYMBOL_PROTECTED 37
#define ERR_NUMBER_OUT_OF_RANGE 38
#define ERR_REGEX 39
#define ERR_TEXT_END_TAG 40
#define ERR_NUM_ARGS 41
#define ERR_FORMAT_STRING 42
#define ERR_FORMAT_DATA_TYPE 43
#define ERR_INVALID_PARAMETER 44
#define ERR_INVALID_PARAMETER_0 45
#define ERR_INVALID_PARAMETER_NAN 46
#define ERR_INVALID_UTF8 47
#define ERR_ILLEGAL_TYPE 48
#define ERR_NOT_IN_MAIN 49
#define ERR_NOT_CURRENT_CONTEXT 50
#define ERR_TARGET_NO_MAIN 51
#define ERR_LIST_INDEX_INVALID 52
#define ERR_ARRAY_INDEX_OUTOF_BOUNDS 53
#define ERR_STRING_INDEX_INVALID 54
#define ERR_NESTING_TOO_DEEP 55
#define ERR_LIST_REFERENCE_CHANGED 56
#define ERR_SYNTAX_WRONG 57
#define ERR_USER_ERROR 58
#define ERR_USER_RESET 59
#define ERR_SIGINT 60
#define ERR_NOT_REENTRANT 61
#define ERR_CANNOT_PROTECT_LOCAL 62
#define ERR_IS_NOT_REFERENCED 63
#define ERR_LIST_EMPTY 64
#define ERR_IO_ERROR 65
#define ERR_WORKING_DIR 66
#define ERR_INVALID_PID 67
#define ERR_CANNOT_OPEN_SOCKETPAIR 68
#define ERR_CANNOT_FORK_PROCESS 69
#define ERR_NO_SOCKET 70
#define ERR_FFI_PREP_FAILED 71
#define ERR_FFI_INVALID_TYPE 72
#define ERR_FFI_STRUCT_EXPECTED 73
#define ERR_BIGINT_NOT_ALLOWED 74
#define ERR_CANNOT_CONVERT 75
#define ERR_CANNOT_CONVERT_NULL 76
#define MAX_ERROR_NUMBER 76
#define UNKNOWN_ERROR "Unknown error"

/* network error handling */
#define ERR_INET_OPEN_SOCKET 1
#define ERR_INET_HOST_UNKNOWN 2
#define ERR_INET_INVALID_SERVICE 3
#define ERR_INET_CONNECT_FAILED 4
#define ERR_INET_ACCEPT 5
#define ERR_INET_CONNECTION_DROPPED 6
#define ERR_INET_CONNECTION_BROKEN 7
#define ERR_INET_READ 8
#define ERR_INET_WRITE 9
#define ERR_INET_CANNOT_BIND 10
#define ERR_INET_TOO_MUCH_SOCKETS 11
#define ERR_INET_LISTEN_FAILED 12
#define ERR_INET_BAD_FORMED_IP 13
#define ERR_INET_SELECT_FAILED 14
#define ERR_INET_PEEK_FAILED 15
#define ERR_INET_NOT_VALID_SOCKET 16
#define ERR_INET_CANNOT_CHANGE_SOCK_BLOCK 17
#define ERR_INET_TIMEOUT 18
/* used in nl-web.c */
#define ERROR_BAD_URL 19
#define ERROR_FILE_OP 20
#define ERROR_TRANSFER 21
#define ERROR_INVALID_RESPONSE 22
#define ERROR_NO_RESPONSE 23
#define ERROR_NO_CONTENT 24
#define ERROR_HEADER 25
#define ERROR_CHUNKED_FORMAT 26

#define MAX_NET_ERROR 26


/* I/O routines */
#define OUT_NULL 0
#define OUT_DEVICE 1
#define OUT_CONSOLE 2
#define OUT_LOG 3

/* HTTP in nl-web.c */
#define HTTP_GET 0
#define HTTP_HEAD 1
#define HTTP_PUT 2
#define HTTP_PUT_APPEND 3
#define HTTP_POST 4
#define HTTP_DELETE 5

/* sysEvalString() in newlisp.c */
#define EVAL_STRING 0 /* the classic eval-string: read, xlate, evaluate */
#define READ_EXPR 1 /* read one toplevel expression: read */
#define READ_EXPR_SYNC 2 /* called from sync */
#define READ_EXPR_NET 3 /* called from net-eval */

/* used inf setDefine() define in newlisp.c */
#define SET_SET 1
#define SET_CONSTANT 2
#define SET_DEFINE 3

extern int vasprintf (char **, const char *, va_list); 

/* ---------------------------- standard types ------------------------- */

typedef struct
	{
	char *ptr;
	char *buffer;
	size_t position;
	size_t size;
	int handle;
	} STREAM;

typedef struct tagSYMBOL
	{
	int flags;
	int color;
	char * name;
	UINT contents; 
	struct tagSYMBOL * context;
	struct tagSYMBOL * parent;
	struct tagSYMBOL * left;
	struct tagSYMBOL * right;   
	} SYMBOL;

typedef struct 
	{
	UINT type;
	void * next;
	UINT aux;
	UINT contents;
	} CELL;

typedef struct
	{
	char * name;
	CELL * (*function)(CELL *);
	short int flags;
	} PRIMITIVE;

typedef struct
    {
    int handle;
    int family;
    FILE * stream;
    void * next;
    } IO_SESSION;

#ifdef FFI

#define FFI_FUNCTION (1)
#define FFI_CLOSURE  (2)
#define FFI_STRUCT   (3)

typedef struct {
  SYMBOL *symbol;
  void *code;
} ffi_closure_data;

typedef struct
    {
    char *name;
    void (*func)(void);
    ffi_cif cif;
    void *code;
    ffi_closure *clos;
    ffi_closure_data *data;
    ffi_type *cstruct;
    short int type;
    } FFIMPORT;
#endif

/* --------------------------- globals -------------------------------- */

extern char startupDir[];
extern char * tempDir;
extern FILE * IOchannel;
extern int ADDR_FAMILY;
#ifdef WINDOWS
extern int IOchannelIsSocket;
#endif
extern int MAX_CPU_STACK;
extern INT MAX_CELL_COUNT;
extern int version;
extern int opsys;
extern char ostype[];
extern size_t cellCount;
extern size_t symbolCount;
extern int recursionCount;
extern UINT printDevice;
extern UINT * resultStack;
extern UINT * resultStackIdx;
extern UINT * envStack;
extern UINT * envStackIdx;
extern CELL * trueCell;
extern CELL * nilCell;
extern STREAM strStream;
extern SYMBOL * nilSymbol;
extern SYMBOL * trueSymbol;
extern SYMBOL * startSymbol;
extern SYMBOL * questionSymbol;
extern SYMBOL * atSymbol;
extern SYMBOL * mainContext;
extern SYMBOL * currentContext;
extern SYMBOL * errorEvent;
extern SYMBOL * symbolCheck;
extern SYMBOL * itSymbol;
extern SYMBOL sentinel;
extern void * stringIndexPtr;
extern CELL * stringCell;
extern int traceFlag;
extern int errorReg;
extern char * errorMessage[];
extern jmp_buf errorJump;
extern int pushResultFlag;
extern int prettyPrintFlags;
#define PRETTYPRINT_DOUBLE 1
#define PRETTYPRINT_STRING 2
extern char lc_decimal_point;
extern CELL * xmlTags;
extern CELL * xmlCallback;
/* end of file */

#endif /* NEWLISP_H */