status = (*__wcsmbs_gconv_fcts.towc->__fct) (__wcsmbs_gconv_fcts.towc, &data, &inbuf, inbuf + n, &dummy, 0, 1);
status = DL_CALL_FCT (__wcsmbs_gconv_fcts.towc->__fct, (__wcsmbs_gconv_fcts.towc, &data, &inbuf, inbuf + n, data.__outbuf, &dummy, 0, 1));
__mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps){  mbstate_t temp_state;  wchar_t buf[1];  struct __gconv_step_data data;  int status;  size_t result;  size_t dummy;  const unsigned char *inbuf;  char *outbuf = (char *) (pwc ?: buf);  /* Set information for this step.  */  data.__invocation_counter = 0;  data.__internal_use = 1;  data.__flags = __GCONV_IS_LAST;  data.__statep = ps ?: &state;  /* A first special case is if S is NULL.  This means put PS in the     initial state.  */  if (s == NULL)    {      outbuf = (char *) buf;      s = "";      n = 1;      temp_state = *data.__statep;      data.__statep = &temp_state;    }  /* Tell where we want the result.  */  data.__outbuf = outbuf;  data.__outbufend = outbuf + sizeof (wchar_t);  /* Make sure we use the correct function.  */  update_conversion_ptrs ();  /* Do a normal conversion.  */  inbuf = (const unsigned char *) s;  status = (*__wcsmbs_gconv_fcts.towc->__fct) (__wcsmbs_gconv_fcts.towc,					       &data, &inbuf, inbuf + n,					       &dummy, 0, 1);  /* There must not be any problems with the conversion but illegal input     characters.  The output buffer must be large enough, otherwise the     definition of MB_CUR_MAX is not correct.  All the other possible     errors also must not happen.  */  assert (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT	  || status == __GCONV_ILLEGAL_INPUT	  || status == __GCONV_INCOMPLETE_INPUT	  || status == __GCONV_FULL_OUTPUT);  if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT      || status == __GCONV_FULL_OUTPUT)    {      if (data.__outbuf != (unsigned char *) outbuf	  && *(wchar_t *) outbuf == L'\0')	{	  /* The converted character is the NUL character.  */	  assert (__mbsinit (data.__statep));	  result = 0;	}      else	result = inbuf - (const unsigned char *) s;    }  else if (status == __GCONV_INCOMPLETE_INPUT)    result = (size_t) -2;  else    {      result = (size_t) -1;      __set_errno (EILSEQ);    }  return result;}