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 strrchr()               Scan String for Last Occurrence of Character

 #include   <string.h>                   Required for declarations only

 char       *strrchr(string,ch);
 const char *string;                     Search string
 int        ch;                          Character to be located

    strrchr() scans 'string' in a reverse direction, looking for the last
    occurrence of the character 'ch'.  The terminating null character
    ('\0') is included in the search.

       Returns:     A pointer to the last occurrence of 'ch' in 'string'.
                    If the character is not found in 'string', a NULL
                    pointer is returned.

   -------------------------------- Example ---------------------------------

    The following statements find the last occurrence of 'ch' in
    'string'.

           #include <string.h>
           #include <stdio.h>

           char *string = "How now, brown cow.";
           int ch = 'b';
           char *rslt;

           main()
           {
               if ((rslt = strrchr(string,ch)) != NULL)
                   {
                   printf("character found: %c\n",*rslt);
                   printf("%s\n",rslt);
                   }
               else
                  printf("character not found.\n");
           }