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/*

FUNCTION

        <<strrchr>>---reverse search for character in string

INDEX

        strrchr

ANSI_SYNOPSIS

        #include <string.h>

        char * strrchr(const char *<[string]>, int <[c]>);

TRAD_SYNOPSIS

        #include <string.h>

        char * strrchr(<[string]>, <[c]>);

        char *<[string]>;

        int *<[c]>;

DESCRIPTION

        This function finds the last occurence of <[c]> (converted to

        a char) in the string pointed to by <[string]> (including the

        terminating null character).

RETURNS

        Returns a pointer to the located character, or a null pointer

        if <[c]> does not occur in <[string]>.

PORTABILITY

<<strrchr>> is ANSI C.

<<strrchr>> requires no supporting OS subroutines.

QUICKREF

        strrchr ansi pure

*/

#include <string.h>

char *

_DEFUN (strrchr, (s, i),

        _CONST char *s _AND

        int i)

{

  _CONST char *last = NULL;

  char c = i;

  while (*s)

    {

      if (*s == c)

        {

          last = s;

        }

      s++;

    }

  if (*s == c)

    {

      last = s;

    }

  return (char *) last;

}