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      1 /* Stub implementation of (obsolete) index(). */
      2 
      3 /*
      4 
      5 @deftypefn Supplemental char* index (char *@var{s}, int @var{c})
      6 
      7 Returns a pointer to the first occurrence of the character @var{c} in
      8 the string @var{s}, or @code{NULL} if not found.  The use of @code{index} is
      9 deprecated in new programs in favor of @code{strchr}.
     10 
     11 @end deftypefn
     12 
     13 */
     14 
     15 extern char * strchr(const char *, int);
     16 
     17 char *
     18 index (const char *s, int c)
     19 {
     20   return strchr (s, c);
     21 }
     22