ROUNDED
if (ROUNDED (st.st_size) < ROUNDED (fp->_IO_buf_end
(void) __munmap (fp->_IO_buf_base + ROUNDED (st.st_size),
ROUNDED (fp->_IO_buf_end - fp->_IO_buf_base)
- ROUNDED (st.st_size));
else if (ROUNDED (st.st_size) > ROUNDED (fp->_IO_buf_end
p = __mremap (fp->_IO_buf_base, ROUNDED (fp->_IO_buf_end
ROUNDED (st.st_size), MREMAP_MAYMOVE);