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