1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Ozan Yigit at York University. 7 * 8 * %sccs.include.redist.c% 9 * 10 * @(#)extern.h 8.1 (Berkeley) 06/06/93 11 */ 12 13 char *basename __P((char *)); 14 char *xalloc __P((unsigned long)); 15 int expr __P((char *)); 16 ndptr addent __P((char *)); 17 void chrsave __P((int)); 18 void dochc __P((char *[], int)); 19 void dochq __P((char *[], int)); 20 void dodefine __P((char *, char *)); 21 void dodefn __P((char *)); 22 void dodiv __P((int)); 23 void dodump __P((char *[], int)); 24 void doifelse __P((char *[], int)); 25 int doincl __P((char *)); 26 int dopaste __P((char *)); 27 void dopushdef __P((char *, char *)); 28 void dosub __P((char *[], int)); 29 void doundiv __P((char *[], int)); 30 void eval __P((char *[], int, int)); 31 void expand __P((char *[], int)); 32 void getdiv __P((int)); 33 char *xstrdup __P((const char *)); 34 int hash __P((char *)); 35 int indx __P((char *, char *)); 36 void killdiv __P((void)); 37 ndptr lookup __P((char *)); 38 void map __P((char *, char *, char *, char *)); 39 void onintr __P((int)); 40 void oops __P((const char *, ...)); 41 void pbnum __P((int)); 42 void pbstr __P((char *)); 43 void putback __P((int)); 44 void remhash __P((char *, int)); 45 void usage __P((void)); 46 47 extern ndptr hashtab[]; /* hash table for macros etc. */ 48 extern stae mstack[]; /* stack of m4 machine */ 49 extern FILE *active; /* active output file pointer */ 50 extern FILE *infile[]; /* input file stack (0=stdin) */ 51 extern FILE *outfile[]; /* diversion array(0=bitbucket) */ 52 extern int fp; /* m4 call frame pointer */ 53 extern int ilevel; /* input file stack pointer */ 54 extern int oindex; /* diversion index. */ 55 extern int sp; /* current m4 stack pointer */ 56 extern char *bp; /* first available character */ 57 extern char buf[]; /* push-back buffer */ 58 extern char *bufbase; /* buffer base for this ilevel */ 59 extern char *bbase[]; /* buffer base per ilevel */ 60 extern char ecommt; /* end character for comment */ 61 extern char *endest; /* end of string space */ 62 extern char *endpbb; /* end of push-back buffer */ 63 extern char *ep; /* first free char in strspace */ 64 extern char lquote; /* left quote character (`) */ 65 extern char *m4temp; /* filename for diversions */ 66 extern char *m4wraps; /* m4wrap string default. */ 67 extern char *null; /* as it says.. just a null. */ 68 extern char *progname; /* program name */ 69 extern char rquote; /* right quote character (') */ 70 extern char scommt; /* start character for comment */ 71