wint_t
btowc (int c)
{
mbstate_t mbs;
int retval = 0;
wchar_t pwc;
unsigned char b;
if (c == EOF)
return WEOF;
b = (unsigned char)c;
/* Put mbs in initial state. */
memset (&mbs, '\0', sizeof (mbs));
_REENT_CHECK_MISC(_REENT);
retval = __mbtowc (_REENT, &pwc, &b, 1, __locale_charset (), &mbs);
if (retval != 0 && retval != 1)
return WEOF;
return (wint_t)pwc;
}
int
wctob (wint_t wc)
{
mbstate_t mbs;
unsigned char pmb[MB_LEN_MAX];
if (wc == WEOF)
return EOF;
/* Put mbs in initial state. */
memset (&mbs, '\0', sizeof (mbs));
_REENT_CHECK_MISC(_REENT);
return __wctomb (_REENT, (char *) pmb, wc, __locale_charset (), &mbs) == 1
? (int) pmb[0] : EOF;
}
