1 extern ndptr hashtab
[]; /* hash table for macros etc. */
2 extern char buf
[]; /* push-back buffer */
3 extern char *bp
; /* first available character */
4 extern char *endpbb
; /* end of push-back buffer */
5 extern stae mstack
[]; /* stack of m4 machine */
6 extern char *ep
; /* first free char in strspace */
7 extern char *endest
; /* end of string space */
8 extern int sp
; /* current m4 stack pointer */
9 extern int fp
; /* m4 call frame pointer */
10 extern FILE *infile
[]; /* input file stack (0=stdin) */
11 extern FILE *outfile
[]; /* diversion array(0=bitbucket)*/
12 extern FILE *active
; /* active output file pointer */
13 extern char *m4temp
; /* filename for diversions */
14 extern int ilevel
; /* input file stack pointer */
15 extern int oindex
; /* diversion index.. */
16 extern char *null
; /* as it says.. just a null.. */
17 extern char *m4wraps
; /* m4wrap string default.. */
18 extern char lquote
; /* left quote character (`) */
19 extern char rquote
; /* right quote character (') */
20 extern char scommt
; /* start character for comment */
21 extern char ecommt
; /* end character for comment */
