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/* Portable version of strrchr().

/* Portable version of strrchr().

   This function is in the public domain. */

   This function is in the public domain. */

/*

/*

@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})

@deftypefn Supplemental char* strrchr (const char *@var{s}, int @var{c})

Returns a pointer to the last occurrence of the character @var{c} in

Returns a pointer to the last occurrence of the character @var{c} in

the string @var{s}, or @code{NULL} if not found.  If @var{c} is itself the

the string @var{s}, or @code{NULL} if not found.  If @var{c} is itself the

null character, the results are undefined.

null character, the results are undefined.

@end deftypefn

@end deftypefn

*/

*/

#include <ansidecl.h>

#include <ansidecl.h>

char *

char *

strrchr (register const char *s, int c)

strrchr (register const char *s, int c)

{

{

  char *rtnval = 0;

  char *rtnval = 0;

  do {

  do {

    if (*s == c)

    if (*s == c)

      rtnval = (char*) s;

      rtnval = (char*) s;

  } while (*s++);

  } while (*s++);

  return (rtnval);

  return (rtnval);

}

}