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Diff for /src/usr.bin/m4/extern.h between version 1.15 and 1.16

version 1.15, 2000/01/12 17:49:53 version 1.16, 2000/01/15 14:26:00
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 extern int ilevel;              /* input file stack pointer */  extern int ilevel;              /* input file stack pointer */
 extern int oindex;              /* diversion index. */  extern int oindex;              /* diversion index. */
 extern int sp;                  /* current m4 stack pointer */  extern int sp;                  /* current m4 stack pointer */
 extern pbent *bp;               /* first available character */  extern char *bp;                /* first available character */
 extern pbent *buf;              /* push-back buffer */  extern char *buf;               /* push-back buffer */
 extern pbent *bufbase;          /* buffer base for this ilevel */  extern char *bufbase;           /* buffer base for this ilevel */
 extern pbent *bbase[];          /* buffer base per ilevel */  extern char *bbase[];           /* buffer base per ilevel */
 extern char ecommt[MAXCCHARS+1];/* end character for comment */  extern char ecommt[MAXCCHARS+1];/* end character for comment */
 extern char *ep;                /* first free char in strspace */  extern char *ep;                /* first free char in strspace */
 extern char lquote[MAXCCHARS+1];/* left quote character (`) */  extern char lquote[MAXCCHARS+1];/* left quote character (`) */
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Removed from v.1.15  
changed lines
  Added in v.1.16