The R Project SVN R

/*
 *  R : A Computer Langage for Statistical Data Analysis
 *  Copyright (C) 1995, 1996  Robert Gentleman and Ross Ihaka
 *
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef DEFN_H_
#define DEFN_H_

#define COMPLEX_DATA
#define COUNTING

#include "Platform.h"
#include "Arith.h"
#include "Errormsg.h"

    /* Heap and Pointer Protection Stack Sizes. */
    /* These values are minima and can be */
    /* overriden in Platform.h */

#ifndef R_PPSSIZE
#define R_PPSSIZE   10000L      /* pointer protection stack size */
#endif
#ifndef R_NSIZE
#define R_NSIZE     200000L     /* number of cons cells */
#endif

#ifndef R_VSIZE
#define R_VSIZE     2000000L    /* vector heap size in bytes */
#endif

#ifdef Macintosh
#include <fp.h>
#define PosixArith
#define QUICKDRAW_GRAPHICS
#else
#include <math.h>
#endif

#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include <float.h>
#include <ctype.h>
#include <signal.h>
#include <setjmp.h>
#include <time.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif

#define HSIZE       211 /* The size of the hash table for symbols */
#define MAXELTSIZE  512 /* The largest string size */
#define MAXIDSIZE   512 /* Largest symbol size possible */

    /* Fundamental Data Types:  These are largely Lisp */
    /* influenced structures, with the exception of LGLSXP, */
    /* FACTSXP, ORDSXP, INTSXP, REALSXP and STRSXP which */
    /* are the element types for S-like data objects. */

typedef unsigned int SEXPTYPE;

#define NILSXP      0    /* nil */
#define SYMSXP      1   /* symbols */
#define LISTSXP     2   /* lists & dotted pairs */
#define CLOSXP      3   /* closures */
#define ENVSXP      4   /* environments */
#define PROMSXP     5   /* evaluated/unevaluated closure arguments */
#define LANGSXP     6   /* language constructs (special lists) */
#define SPECIALSXP  7   /* special forms */
#define BUILTINSXP  8   /* builtin non-special forms */
#define CHARSXP     9   /* "scalar" string type (internal only)*/
#define LGLSXP      10  /* logical vectors */
#define FACTSXP     11  /* unordered factors */
#define ORDSXP      12  /* ordered factors */
#define INTSXP      13  /* integer vectors */
#define REALSXP     14  /* real variables */
#define CPLXSXP     15  /* complex variables */
#define STRSXP      16  /* string vectors */
#define DOTSXP      17  /* dot-dot-dot object */
#define ANYSXP      18  /* make "any" args work */
#define VECSXP      19  /* generic vectors */
#define EXPRSXP     20  /* expressions vectors */

typedef struct {
    double r;
    double i;
} complex;

typedef struct SEXPREC {
    struct {
        SEXPTYPE type      :  5;
        unsigned int obj   :  1;
        unsigned int named :  2;
        unsigned int gp    : 16;
        unsigned int mark  :  1;
        unsigned int debug :  1;
        unsigned int trace :  1;
        unsigned int       :  5;
    } sxpinfo;
    struct SEXPREC *attrib;     /* Attributes */
    union {
        struct {
            int length;
            union {
                char        *c;
                int     *i;
                double      *f;
                complex     *z;
                struct SEXPREC  **s;
            } type;
        } vecsxp;
        struct {
            int     offset;
        } primsxp;
        struct {
            struct SEXPREC *pname;
            struct SEXPREC *value;
            struct SEXPREC *internal;
        } symsxp;
        struct {
            struct SEXPREC *carval;
            struct SEXPREC *cdrval;
            struct SEXPREC *tagval;
        } listsxp;
        struct {
            struct SEXPREC *frame;
            struct SEXPREC *enclos;
        } envsxp;
        struct {
            struct SEXPREC *formals;
            struct SEXPREC *body;
            struct SEXPREC *env;
        } closxp;
        struct {
            struct SEXPREC *value;
            struct SEXPREC *expr;
            struct SEXPREC *env;
        } promsxp;
    } u;
} SEXPREC, *SEXP;


typedef SEXP (*CCODE)();

typedef struct {
    char    *name;      /* print name */
    CCODE   cfun;       /* c-code address */
    int code;       /* offset within c-code */
    int eval;       /* evaluate args? */
    int arity;      /* function arity */
    int gram;       /* pretty-print info */
    int mark;       /* mark info for restore */
} FUNTAB;

    /* General Cons Cell Attributes */
#define ATTRIB(x)   ((x)->attrib)
#define OBJECT(x)   ((x)->sxpinfo.obj)
#define MARK(x)     ((x)->sxpinfo.mark)
#define TYPEOF(x)   ((x)->sxpinfo.type)
#define NAMED(x)    ((x)->sxpinfo.named)

    /* Primitive Access Macros */
#define PRIMOFFSET(x)   ((x)->u.primsxp.offset)
#define PRIMFUN(x)  (R_FunTab[(x)->u.primsxp.offset].cfun)
#define PRIMNAME(x) (R_FunTab[(x)->u.primsxp.offset].name)
#define PRIMVAL(x)  (R_FunTab[(x)->u.primsxp.offset].code)
#define PRIMARITY(x)    (R_FunTab[(x)->u.primsxp.offset].arity)
#define PPINFO(x)   (R_FunTab[(x)->u.primsxp.offset].gram)
#define PRIMPRINT(x)    (((R_FunTab[(x)->u.primsxp.offset].eval)/100)%10)


    /* Symbol Access Macros */
#define PRINTNAME(x)    ((x)->u.symsxp.pname)
#define SYMVALUE(x) ((x)->u.symsxp.value)
#define INTERNAL(x) ((x)->u.symsxp.internal)


    /* Vector Access Macros */
#define LENGTH(x)   ((x)->u.vecsxp.length)
#define CHAR(x)     ((x)->u.vecsxp.type.c)
#define STRING(x)   ((x)->u.vecsxp.type.s)
#define LOGICAL(x)  ((x)->u.vecsxp.type.i)
#define FACTOR(x)   ((x)->u.vecsxp.type.i)
#define INTEGER(x)  ((x)->u.vecsxp.type.i)
#define REAL(x)     ((x)->u.vecsxp.type.f)
#define COMPLEX(x)  ((x)->u.vecsxp.type.z)
#define LEVELS(x)   ((x)->sxpinfo.gp)
#define VECTOR(x)   ((x)->u.vecsxp.type.s)

    /* List Access Macros */
    /* These also work for ... objects */
#define LISTVAL(x)  ((x)->u.listsxp)
#define TAG(e)      ((e)->u.listsxp.tagval)
#define CAR(e)      ((e)->u.listsxp.carval)
#define CDR(e)      ((e)->u.listsxp.cdrval)
#define CAAR(e)     CAR(CAR(e))
#define CDAR(e)     CDR(CAR(e))
#define CADR(e)     CAR(CDR(e))
#define CDDR(e)     CDR(CDR(e))
#define CADDR(e)    CAR(CDR(CDR(e)))
#define CADDDR(e)   CAR(CDR(CDR(CDR(e))))
#define CONS(a, b)  cons((a), (b))      /* data lists */
#define LCONS(a, b) lcons((a), (b))     /* language lists */
#define MISSING(x)  ((x)->sxpinfo.gp)   /* for closure calls */
#define SETCDR(x,y) {SEXP X=(x), Y=(y); if(X != R_NilValue) CDR(X)=Y; else error("bad value");}

    /* Closure Access Macros */
#define FORMALS(x)  ((x)->u.closxp.formals)
#define BODY(x)     ((x)->u.closxp.body)
#define CLOENV(x)   ((x)->u.closxp.env)
#define DEBUG(x)    ((x)->sxpinfo.debug)
#define TRACE(x)    ((x)->sxpinfo.trace)

    /* Environment Access Macros */
#define FRAME(x)    ((x)->u.envsxp.frame)
#define ENCLOS(x)   ((x)->u.envsxp.enclos)
#define NARGS(x)    ((x)->sxpinfo.gp)   /* for closure calls */

    /* Promise Access Macros */
#define PREXPR(x)   ((x)->u.promsxp.expr)
#define PRENV(x)    ((x)->u.promsxp.env)
#define PRVALUE(x)  ((x)->u.promsxp.value)
#define PRSEEN(x)   ((x)->sxpinfo.gp)

    /* Pointer Protection and Unprotection */
#define PROTECT(s)  protect(s)
#define UNPROTECT(n)    unprotect(n)


    /* Vector Heap Structure */
typedef struct {
    union {
        SEXP        backpointer;
        double      align;
    } u;
} VECREC, *VECP;

    /* Vector Heap Macros */
#define BACKPOINTER(v)  ((v).u.backpointer)
#define BYTE2VEC(n) (((n)>0)?(((n)-1)/sizeof(VECREC)+1):0)
#define INT2VEC(n)  (((n)>0)?(((n)*sizeof(int)-1)/sizeof(VECREC)+1):0)
#define FLOAT2VEC(n)    (((n)>0)?(((n)*sizeof(double)-1)/sizeof(VECREC)+1):0)
#define COMPLEX2VEC(n)  (((n)>0)?(((n)*sizeof(complex)-1)/sizeof(VECREC)+1):0)
#define PTR2VEC(n)  (((n)>0)?(((n)*sizeof(SEXP)-1)/sizeof(VECREC)+1):0)


    /* Evaluation Context Structure */
typedef struct RCNTXT {
    struct RCNTXT *nextcontext; /* The next context up the chain */
    int callflag;           /* The context "type" */
    jmp_buf cjmpbuf;        /* C stack and register information */
    int cstacktop;          /* Top of the pointer protection stack */
    SEXP promargs;          /* Promises supplied to closure */
    SEXP sysparent;         /* environment the closure was called from*/
    SEXP call;          /* The call that effected this context*/
    SEXP cloenv;            /* The environment */
    SEXP conexit;           /* Interpreted "on.exit" code */
    void (*cend)();         /* C "on.exit" thunk */
} RCNTXT, *context;

    /* The Various Context Types */
enum {
    CTXT_TOPLEVEL = 0,
    CTXT_NEXT     = 1,
    CTXT_BREAK    = 2,
    CTXT_LOOP     = 3,  /* break OR next target */
    CTXT_RETURN   = 4,
    CTXT_CCODE    = 8,
    CTXT_BROWSER  = 12,
    CTXT_GENERIC  = 16
};


    /* Miscellaneous Definitions */
#define streql(s, t)    (!strcmp((s), (t)))

    /* Arithmetic and Relation Operators */
#define PLUSOP  1
#define MINUSOP 2
#define TIMESOP 3
#define DIVOP   4
#define POWOP   5
#define MODOP   6
#define IDIVOP  7

#define EQOP    1
#define NEOP    2
#define LTOP    3
#define LEOP    4
#define GEOP    5
#define GTOP    6

extern int      errno;

/* Global Variables */

        /* Memory Management */
extern int  R_NSize;        /* Size of cons cell heap */
extern int  R_VSize;        /* Size of the vector heap */
extern SEXP R_NHeap;        /* Start of the cons cell heap */
extern SEXP R_FreeSEXP;     /* Cons cell free list */
extern VECREC*  R_VHeap;        /* Base of the vector heap */
extern VECREC*  R_VTop;         /* Current top of the vector heap */
extern VECREC*  R_VMax;         /* bottom of R_alloc'ed heap */
extern long R_Collected;        /* Number of free cons cells (after gc) */
        /* The Pointer Protection Stack */
extern int  R_PPStackSize;      /* The stack size (elements) */
extern int  R_PPStackTop;       /* The top of the stack */
extern SEXP*    R_PPStack;      /* The pointer protection stack */
        /* Evaluation Environment */
extern SEXP R_GlobalEnv;        /* The "global" environment */
extern SEXP R_CurrentExpr;      /* Currently evaluating expression */
extern SEXP R_ReturnedValue;    /* Slot for return-ing values */
extern SEXP*    R_SymbolTable;      /* The symbol table */
extern RCNTXT   R_Toplevel;     /* Storage for the toplevel environment */
extern RCNTXT*  R_ToplevelContext;  /* The toplevel environment */
extern RCNTXT*  R_GlobalContext;    /* The global environment */
extern int  R_Visible;      /* Value visibility flag */
extern int  R_EvalDepth;        /* Evaluation recursion depth */
extern int  R_EvalCount;        /* Evaluation count */
extern FUNTAB   R_FunTab[];     /* Built in functions */
extern int  R_BrowseLevel;      /* how deep the browser is */
        /* File Input/Output */
extern int  R_Interactive;      /* Non-zero during interactive use */
extern int  R_Quiet;        /* Be as quiet as possible */
/* extern int   R_Console; */       /* Console active flag */
extern FILE*    R_Inputfile;        /* Current input flag */
extern FILE*    R_Consolefile;      /* Console output file */
extern FILE*    R_Outputfile;       /* Output file */
extern FILE*    R_Sinkfile;     /* Sink file */
        /* Objects Used In Parsing  */
extern SEXP R_CommentSxp;       /* Comments accumulate here */
extern SEXP R_ParseText;        /* Text to be parsed */
extern int  R_ParseCnt;     /* Count of lines of text to be parsed */
extern int  R_ParseError;       /* Line where parse error occured */
        /* Special Values */
extern SEXP R_NilValue;     /* The nil object */
extern SEXP R_UnboundValue;     /* Unbound marker */
extern SEXP R_MissingArg;       /* Missing argument marker */
        /* Symbol Table Shortcuts */
extern SEXP R_Bracket2Symbol;   /* "[[" */
extern SEXP R_BracketSymbol;    /* "[" */
extern SEXP R_ClassSymbol;      /* "class" */
extern SEXP R_DimNamesSymbol;   /* "dimnames" */
extern SEXP R_DimSymbol;        /* "dim" */
extern SEXP R_DollarSymbol;     /* "$" */
extern SEXP R_DotsSymbol;       /* "..." */
extern SEXP R_DropSymbol;       /* "drop" */
extern SEXP R_LevelsSymbol;     /* "levels" */
extern SEXP R_ModeSymbol;       /* "mode" */
extern SEXP R_NamesSymbol;      /* "names" */
extern SEXP R_NaRmSymbol;       /* "na.rm" */
extern SEXP R_RowNamesSymbol;   /* "row.names" */
extern SEXP R_SeedsSymbol;      /* ".Random.seed" */
extern SEXP R_TspSymbol;        /* "tsp" */
extern SEXP R_LastvalueSymbol;  /* ".Last.value" */
extern SEXP R_CommentSymbol;    /* "comment" */
        /* Missing Values - others from Arith.h */
extern SEXP R_NaString;     /* NA_STRING */
        /* Image Dump/Restore */
extern char R_ImageName[256];   /* Default image name */
extern int  R_Unnamed;      /* Use default name? */
extern int  R_DirtyImage;       /* Current image dirty */
extern int  R_Init;         /* Do we have an image loaded */
extern FILE*    R_FileRef;      /* the environment file pointer  */

#define NA_LOGICAL  R_NaInt
#define NA_INTEGER  R_NaInt
#define NA_FACTOR   R_NaInt
#define NA_REAL     R_NaReal
#define NA_STRING   R_NaString

    /* File Handling */

#define R_EOF   65535
extern int  R_fgetc(FILE*);

    /* MAGIC Numbers for files */

#define R_MAGIC_BINARY 1975
#define R_MAGIC_ASCII  1976
#define R_MAGIC_XDR    1977

#define R_MAGIC_BINARY_VERSION16 1971
#define R_MAGIC_ASCII_VERSION16  1972

    /* Other Stuff */

void hsv2rgb(double h, double s, double v, double *r, double *g, double *b);
/* void GCircle(double x, double y, double radius, int col, int border); */
void call_R(char *func, long nargs, void **arguments, char **modes, long *lengths, char **names, long nres, char **results);
void printRealVector(double * x, int n, int index);
int StringFalse(char *name);

        /* Platform Dependent Gui Hooks */

#define R_CONSOLE   1
#define R_FILE      2
#define R_TEXT      3

int R_ReadConsole(char*, char*, int, int);
void    R_WriteConsole(char*, int);
void    R_ResetConsole(void);
void    R_FlushConsole(void);
void    R_ClearerrConsole(void);
void    R_Busy(int);
void    R_CleanUp(int);
void    R_StartUp(void);

        /* Defined in main.c */

char    *R_PromptString(int, int);

        /* C Memory Management Interface */

void Init_C_alloc(void);
void Reset_C_alloc(void);
char *C_alloc(long, int);
void C_free(char *);

        /* Missing Value Test */
        /* Special NaN */

int R_IsNA(double);

        /* Internally Used Functions */

SEXP allocArray(SEXPTYPE, SEXP);
SEXP allocMatrix(SEXPTYPE, int, int);
SEXP allocSExp(SEXPTYPE);
SEXP allocString(int);
SEXP allocVector(SEXPTYPE, int);
SEXP allocList(int);
SEXP append(SEXP, SEXP);
SEXP applyClosure(SEXP, SEXP, SEXP, SEXP, SEXP);
SEXP applyRelOp(int, int, int);
SEXP asChar(SEXP);
int asInteger(SEXP);
int asLogical(SEXP);
double asReal(SEXP);
SEXP arraySubscript(int, SEXP, SEXP);
void begincontext(RCNTXT*, int, SEXP, SEXP, SEXP, SEXP);
void checkArity(SEXP, SEXP);
void CheckFormals(SEXP);
SEXP classgets(SEXP, SEXP);
#ifdef Macintosh
    void CleanUpMemory( void );
#endif
SEXP coerceVector(SEXP, SEXPTYPE);
SEXP coerceList(SEXP, SEXPTYPE);
void compactPhase(void);
int conformable(SEXP, SEXP);
SEXP cons(SEXP, SEXP);
void copyListMatrix(SEXP, SEXP, int);
void copyMatrix(SEXP, SEXP, int);
void copyVector(SEXP, SEXP);
SEXP CreateTag(SEXP);
void CustomPrintValue(SEXP);
void DataFrameClass(SEXP);
void defineVar(SEXP, SEXP, SEXP);
SEXP deparse1(SEXP,int);
SEXP dimgets(SEXP, SEXP);
SEXP dimnamesgets(SEXP, SEXP);
int DispatchOrEval(SEXP, SEXP, SEXP, SEXP, SEXP*, int);
int DispatchGroup(char*, SEXP,SEXP,SEXP,SEXP,SEXP*);
void dhsv2rgb(double,double,double,double*,double*,double*);
SEXP DropDims(SEXP);
SEXP duplicate(SEXP);
SEXP duplicated(SEXP);
SEXP dynamicfindVar(SEXP, RCNTXT*);
SEXP emptyEnv(void);
void endcontext(RCNTXT*);
void errorcall(SEXP, char*, ...);
void  ErrorMessage(SEXP, int, ...);
SEXP eval(SEXP, SEXP);
SEXP EvalArgs(SEXP, SEXP, int);
SEXP evalList(SEXP, SEXP);
SEXP evalListKeepMissing(SEXP, SEXP);
SEXP extendEnv(SEXP, SEXP, SEXP);
int factorsConform(SEXP, SEXP);
void findcontext(int, SEXP);
SEXP findVar(SEXP, SEXP);
SEXP findVar1(SEXP, SEXP, SEXPTYPE, int);
SEXP findVarInFrame(SEXP, SEXP);
SEXP findFun(SEXP, SEXP);
void FrameClassFix(SEXP);
int framedepth(RCNTXT*);
SEXP frameSubscript(int, SEXP, SEXP);
void gc(void);
SEXP getAttrib(SEXP, SEXP);
int get1index(SEXP,SEXP,int);
SEXP GetOption(SEXP, SEXP);
int GetOptionDigits(SEXP);
int GetOptionWidth(SEXP);
SEXP GetPar(char*, SEXP);
SEXP getVar(SEXP, SEXP);
SEXP getVarInFrame(SEXP, SEXP);
void gsetVar(SEXP, SEXP, SEXP);
int hashpjw(char*);
int IndexWidth(int);
int inherits(SEXP, char*);
void InitArithmetic(void);
void InitColors(void);
void InitEd(void);
void InitFunctionHashing(void);
void InitGlobalEnv(void);
void R_InitialData(void);
void InitMemory(void);
void InitNames(void);
void InitOptions(void);
void initStack(void);
SEXP install(char*);
void internalTypeCheck(SEXP, SEXP, SEXPTYPE);
int isArray(SEXP);
int isComplex(SEXP);
char *R_ExpandFileName(char*);
int isEnvironment(SEXP);
int isExpression(SEXP);
int isExpressionObject(SEXP);
int isFactor(SEXP);
int isFrame(SEXP);
int isFinite(double);
int isFunction(SEXP);
int isInteger(SEXP);
int isLanguage(SEXP);
int isList(SEXP);
int isLogical(SEXP);
int isMatrix(SEXP);
int isNull(SEXP);
int isNumeric(SEXP);
int isObject(SEXP);
int isOrdered(SEXP);
void isort(int*, int);
int isReal(SEXP);
int isString(SEXP);
int isSymbol(SEXP);
int isTs(SEXP);
int isUnordered(SEXP);
int isUserBinop(SEXP);
int isVector(SEXP);
int isVectorizable(SEXP);
void jump_to_toplevel(void);
SEXP lang1(SEXP);
SEXP lang2(SEXP, SEXP);
SEXP lang3(SEXP, SEXP, SEXP);
SEXP lang4(SEXP, SEXP, SEXP, SEXP);
SEXP lcons(SEXP, SEXP);
int length(SEXP);
SEXP levelsgets(SEXP, SEXP);
SEXP list1(SEXP);
SEXP list2(SEXP, SEXP);
SEXP list3(SEXP, SEXP, SEXP);
SEXP list4(SEXP, SEXP, SEXP, SEXP);
SEXP listAppend(SEXP, SEXP);
unsigned int LTYpar(SEXP, int);
void mainloop(void);
SEXP makeSubscript(SEXP, SEXP, int *);
void markPhase(void);
void markSExp(SEXP);
SEXP mat2indsub(SEXP, SEXP);
SEXP match(SEXP, SEXP, int);
SEXP matchArg(SEXP, SEXP*);
SEXP matchArgs(SEXP, SEXP);
SEXP matchPar(char*, SEXP*);
SEXP mkCLOSXP(SEXP, SEXP, SEXP);
SEXP mkEnv(SEXP, SEXP, SEXP);
SEXP mkPRIMSXP (int, int);
SEXP mkPROMISE(SEXP, SEXP);
SEXP mkQUOTE(SEXP);
SEXP mkSYMSXP(SEXP, SEXP);
SEXP mkChar(char*);
SEXP mkFalse(void);
SEXP mkString(char*);
SEXP mkTrue(void);
SEXP namesgets(SEXP, SEXP);
int ncols(SEXP);
int nrows(SEXP);
SEXP nthcdr(SEXP, int);
void onintr();
FILE* R_OpenLibraryFile();
SEXP parse(FILE*, int);
int pmatch(SEXP, SEXP, int);
void PrintDefaults(SEXP);
void PrintGreeting(void);
void PrintValue(SEXP);
void PrintValueEnv(SEXP, SEXP);
void PrintValueRec(SEXP);
SEXP promiseArgs(SEXP, SEXP);
void protect(SEXP);
char *R_alloc(long, int);
void REvprintf(const char*, va_list);
void REprintf(char*, ...);
void R_RestoreGlobalEnv(void);
int restore_image(char*);
SEXP rownamesgets(SEXP,SEXP);
void Rprintf(char*, ...);
char *Rsprintf(char*, ...);
void Rvprintf(const char*, va_list);
void rsort(double *x, int);
int Rstrlen(char*);
SEXP R_LoadFromFile(FILE*);
void R_SaveGlobalEnv(void);
void R_SaveToFile(SEXP, FILE*, int);
void scanPhase(void);
SEXP setAttrib(SEXP, SEXP, SEXP);
void setIVector(int*, int, int);
void setRVector(double*, int, double);
void setSVector(SEXP*, int, SEXP);
void setVar(SEXP, SEXP, SEXP);
SEXP setVarInFrame(SEXP, SEXP, SEXP);
void sortVector(SEXP);
void ssort(SEXP*,int);
SEXPTYPE str2type(char*);
int StringTrue(char*);
int StrToInternal(char*);
void R_Suicide(char*);
void SymbolShortcuts(void);
SEXP R_syscall(int,RCNTXT*);
int R_sysparent(int,RCNTXT*);
SEXP R_sysframe(int,RCNTXT*);
SEXP R_sysfunction(int,RCNTXT*);
int tsConform(SEXP,SEXP);
SEXP tspgets(SEXP, SEXP);
SEXP type2str(SEXPTYPE);
void unbindVar(SEXP, SEXP);
void UNIMPLEMENTED(char *s);
void unmarkPhase(void);
void unprotect(int);
int usemethod(char*, SEXP, SEXP, SEXP, SEXP, SEXP*);
char *vmaxget(void);
void vmaxset(char*);
void WrongArgCount(char*);
void warningcall(SEXP, char*,...);
void WarningMessage(SEXP, int, ...);
void yyinit(void);
int yyparse(void);
void yyprompt(char *format, ...);
int yywrap(void);

#endif