extern char *_strerror_internal __P ((int, char *, size_t));
-/* Return a string descibing the errno code in ERRNUM. At most BUFLEN
+/* Return a string describing the errno code in ERRNUM. At most BUFLEN
characters of the result will be placed in STRERRBUF. */
char *
__strerror_r (int errnum, char *buf, size_t buflen)