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  1. /*
  2. FUNCTION
  3.         <<index>>---search for character in string
  4.  
  5. INDEX
  6.         index
  7.  
  8. ANSI_SYNOPSIS
  9.         #include <strings.h>
  10.         char * index(const char *<[string]>, int <[c]>);
  11.  
  12. TRAD_SYNOPSIS
  13.         #include <strings.h>
  14.         char * index(<[string]>, <[c]>);
  15.         char *<[string]>;
  16.         int *<[c]>;
  17.  
  18. DESCRIPTION
  19.         This function finds the first occurence of <[c]> (converted to
  20.         a char) in the string pointed to by <[string]> (including the
  21.         terminating null character).
  22.  
  23.         This function is identical to <<strchr>>.
  24.  
  25. RETURNS
  26.         Returns a pointer to the located character, or a null pointer
  27.         if <[c]> does not occur in <[string]>.
  28.  
  29. PORTABILITY
  30. <<index>> requires no supporting OS subroutines.
  31.  
  32. QUICKREF
  33.         index - pure
  34. */
  35.  
  36. #include <string.h>
  37. #include <strings.h>
  38.  
  39. char *
  40. _DEFUN (index, (s, c),
  41.         _CONST char *s _AND
  42.         int c)
  43. {
  44.   return strchr (s, c);
  45. }
  46.