1/**************************************************************** 2Copyright (C) Lucent Technologies 1997 3All Rights Reserved 4 5Permission to use, copy, modify, and distribute this software and 6its documentation for any purpose and without fee is hereby 7granted, provided that the above copyright notice appear in all 8copies and that both that the copyright notice and this 9permission notice and warranty disclaimer appear in supporting 10documentation, and that the name Lucent Technologies or any of 11its entities not be used in advertising or publicity pertaining 12to distribution of the software without specific, written prior 13permission. 14 15LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 16INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. 17IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY 18SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER 20IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 21ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF 22THIS SOFTWARE. 23****************************************************************/ 24 25extern int yywrap(void); 26extern void setfname(Cell *); 27extern int constnode(Node *); 28extern char *strnode(Node *); 29extern Node *notnull(Node *); 30extern int yyparse(void); 31 32extern int yylex(void); 33extern void startreg(void); 34extern int input(void); 35extern void unput(int); 36extern void unputstr(const char *); 37extern int yylook(void); 38extern int yyback(int *, int); 39extern int yyinput(void); 40 41extern fa *makedfa(const char *, int); 42extern fa *mkdfa(const char *, int); 43extern int makeinit(fa *, int); 44extern void penter(Node *); 45extern void freetr(Node *); 46extern int hexstr(const uschar **); 47extern int quoted(const uschar **); 48extern char *cclenter(const char *); 49extern void overflo(const char *) __dead; 50extern void cfoll(fa *, Node *); 51extern int first(Node *); 52extern void follow(Node *); 53extern int member(int, const char *); 54extern int match(fa *, const char *); 55extern int pmatch(fa *, const char *); 56extern int nematch(fa *, const char *); 57extern int fnematch(fa *, FILE *, uschar **, int *, int); 58extern Node *reparse(const char *); 59extern Node *regexp(void); 60extern Node *primary(void); 61extern Node *concat(Node *); 62extern Node *alt(Node *); 63extern Node *unary(Node *); 64extern int relex(void); 65extern int cgoto(fa *, int, int); 66extern void freefa(fa *); 67 68extern int pgetc(void); 69extern char *cursource(void); 70 71extern Node *nodealloc(int); 72extern Node *exptostat(Node *); 73extern Node *node1(int, Node *); 74extern Node *node2(int, Node *, Node *); 75extern Node *node3(int, Node *, Node *, Node *); 76extern Node *node4(int, Node *, Node *, Node *, Node *); 77extern Node *node5(int, Node *, Node *, Node *, Node *, Node *); 78extern Node *stat3(int, Node *, Node *, Node *); 79extern Node *op2(int, Node *, Node *); 80extern Node *op1(int, Node *); 81extern Node *stat1(int, Node *); 82extern Node *op3(int, Node *, Node *, Node *); 83extern Node *op4(int, Node *, Node *, Node *, Node *); 84extern Node *op5(int, Node *, Node *, Node *, Node *, Node *); 85extern Node *stat2(int, Node *, Node *); 86extern Node *stat4(int, Node *, Node *, Node *, Node *); 87extern Node *celltonode(Cell *, int); 88extern Node *rectonode(void); 89extern Node *makearr(Node *); 90extern Node *pa2stat(Node *, Node *, Node *); 91extern Node *linkum(Node *, Node *); 92extern void defn(Cell *, Node *, Node *); 93extern int isarg(const char *); 94extern const char *tokname(int); 95extern Cell *(*proctab[])(Node **, int); 96extern int ptoi(void *); 97extern Node *itonp(int); 98 99extern void syminit(void); 100extern void arginit(int, char **); 101extern void envinit(char **); 102extern Array *makesymtab(int); 103extern void freesymtab(Cell *); 104extern void freeelem(Cell *, const char *); 105extern Cell *setsymtab(const char *, const char *, double, unsigned int, Array *); 106extern int hash(const char *, int); 107extern void rehash(Array *); 108extern Cell *lookup(const char *, Array *); 109extern double setfval(Cell *, double); 110extern void funnyvar(Cell *, const char *); 111extern char *setsval(Cell *, const char *); 112extern double getfval(Cell *); 113extern char *getsval(Cell *); 114extern char *getpssval(Cell *); /* for print */ 115extern char *tostring(const char *); 116extern char *tostringN(const char *, size_t n); 117extern char *qstring(const char *, int); 118extern Cell *catstr(Cell *, Cell *); 119 120extern void recinit(unsigned int); 121extern void initgetrec(void); 122extern void makefields(int, int); 123extern void growfldtab(int n); 124extern int getrec(uschar **, int *, int); 125extern void nextfile(void); 126extern int readrec(uschar **buf, int *bufsize, FILE *inf, int newflag); 127extern char *getargv(int); 128extern void setclvar(char *); 129extern void fldbld(void); 130extern void cleanfld(int, int); 131extern void newfld(int); 132extern void setlastfld(int); 133extern int refldbld(const char *, const char *); 134extern void recbld(void); 135extern Cell *fieldadr(int); 136extern void yyerror(const char *); 137extern void bracecheck(void); 138extern void bcheck2(int, int, int); 139extern void SYNTAX(const char *, ...) 140 __attribute__((__format__(__printf__, 1, 2))); 141extern void FATAL(const char *, ...) __dead 142 __attribute__((__format__(__printf__, 1, 2))); 143extern void WARNING(const char *, ...) 144 __attribute__((__format__(__printf__, 1, 2))); 145extern void error(void); 146extern void eprint(void); 147extern void bclass(int); 148extern double errcheck(double, const char *); 149extern int isclvar(const char *); 150extern int is_number(const char *); 151 152extern int adjbuf(uschar **pb, int *sz, int min, int q, uschar **pbp, const char *what); 153extern void run(Node *); 154extern Cell *execute(Node *); 155extern Cell *program(Node **, int); 156extern Cell *call(Node **, int); 157extern Cell *copycell(Cell *); 158extern Cell *arg(Node **, int); 159extern Cell *jump(Node **, int); 160extern Cell *awkgetline(Node **, int); 161extern Cell *getnf(Node **, int); 162extern Cell *array(Node **, int); 163extern Cell *awkdelete(Node **, int); 164extern Cell *intest(Node **, int); 165extern Cell *matchop(Node **, int); 166extern Cell *boolop(Node **, int); 167extern Cell *relop(Node **, int); 168extern void tfree(Cell *); 169extern Cell *gettemp(void); 170extern Cell *field(Node **, int); 171extern Cell *indirect(Node **, int); 172extern Cell *substr(Node **, int); 173extern Cell *sindex(Node **, int); 174extern int format(char **, int *, const char *, Node *); 175extern Cell *awksprintf(Node **, int); 176extern Cell *awkprintf(Node **, int); 177extern Cell *arith(Node **, int); 178extern double ipow(double, int); 179extern Cell *incrdecr(Node **, int); 180extern Cell *assign(Node **, int); 181extern Cell *cat(Node **, int); 182extern Cell *pastat(Node **, int); 183extern Cell *dopa2(Node **, int); 184extern Cell *split(Node **, int); 185extern Cell *condexpr(Node **, int); 186extern Cell *ifstat(Node **, int); 187extern Cell *whilestat(Node **, int); 188extern Cell *dostat(Node **, int); 189extern Cell *forstat(Node **, int); 190extern Cell *instat(Node **, int); 191extern Cell *bltin(Node **, int); 192extern Cell *printstat(Node **, int); 193extern Cell *nullproc(Node **, int); 194extern FILE *redirect(int, Node *); 195extern FILE *openfile(int, const char *, int *); 196extern const char *filename(FILE *); 197extern Cell *closefile(Node **, int); 198extern void closeall(void); 199extern Cell *sub(Node **, int); 200extern Cell *gsub(Node **, int); 201extern Cell *gensub(Node **, int); 202 203extern FILE *popen(const char *, const char *); 204extern int pclose(FILE *); 205