DEFAULT_MW_SIZE
mw->mw_buf_size = DEFAULT_MW_SIZE;
*buf_size = val1 ? val1: DEFAULT_MW_SIZE;
*buf_size = val2 ? val2: DEFAULT_MW_SIZE;
*buf_size = val3 ? val3: DEFAULT_MW_SIZE;
loop = ((buf_size == 0) || (buf_size > DEFAULT_MW_SIZE)) ?
DEFAULT_MW_SIZE : buf_size;
if (buf_size > DEFAULT_MW_SIZE)
*buf_size = DEFAULT_MW_SIZE;
*buf_size = DEFAULT_MW_SIZE;