This function is a possible cancellation points and therefore not
marked with __THROW. */
-extern iconv_t iconv_open (__const char *__tocode, __const char *__fromcode);
+extern iconv_t iconv_open (const char *__tocode, const char *__fromcode);
/* Convert at most *INBYTESLEFT bytes from *INBUF according to the
code conversion algorithm specified by CD and place up to