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Diff for /src/usr.bin/m4/extern.h between version 1.20 and 1.21

version 1.20, 2000/07/24 23:08:25 version 1.21, 2000/07/27 17:44:33
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 extern void     *xalloc __P((size_t));  extern void     *xalloc __P((size_t));
 extern char     *xstrdup __P((const char *));  extern char     *xstrdup __P((const char *));
 extern void     usage __P((void));  extern void     usage __P((void));
   extern void     resizedivs __P((int n));
   
 extern int      obtain_char __P((struct input_file *));  extern int      obtain_char __P((struct input_file *));
 extern void     set_input __P((struct input_file *, FILE *, const char *));  extern void     set_input __P((struct input_file *, FILE *, const char *));
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 extern char *sstack;            /* shadow stack, for string space extension */  extern char *sstack;            /* shadow stack, for string space extension */
 extern FILE *active;            /* active output file pointer */  extern FILE *active;            /* active output file pointer */
 extern struct input_file infile[];/* input file stack (0=stdin) */  extern struct input_file infile[];/* input file stack (0=stdin) */
 extern FILE *outfile[];         /* diversion array(0=bitbucket) */  extern FILE **outfile;          /* diversion array(0=bitbucket) */
   extern int maxout;              /* maximum number of diversions */
 extern int fp;                  /* m4 call frame pointer */  extern int fp;                  /* m4 call frame pointer */
 extern int ilevel;              /* input file stack pointer */  extern int ilevel;              /* input file stack pointer */
 extern int oindex;              /* diversion index. */  extern int oindex;              /* diversion index. */
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Removed from v.1.20  
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  Added in v.1.21