to the position between characters. */
int
re_adjust_startpos(bufp, string, size, startpos, range)
     struct re_pattern_buffer *bufp;
     const char *string;
     int size, startpos, range;
{
  /* Update the fastmap now if not correct already.  */
  if (!bufp->fastmap_accurate) {
    re_compile_fastmap(bufp);
  }

  /* Adjust startpos for mbc string */
  if (current_mbctype && startpos>0 && !(bufp->options&RE_OPTIMIZE_BMATCH)) {
    int i = 0;

    if (range > 0) {
      while (i<size) {
	i += mbclen(string[i]);
	if (startpos <= i) {
	  startpos = i;
	  break;
	}
      }
    }
    else {
      int w;

      while (i<size) {
	w = mbclen(string[i]);
	if (startpos < i + w) {
	  startpos = i;
	  break;
	}
	i += w;
      }
    }
  }
  return startpos;
}