ACS_HLINE
nsym = ACS_HLINE;
ACS_HLINE = 'q' | __ACS_IS_WACS;
ACS_HLINE = '-';
top |= ACS_HLINE;
bottom |= ACS_HLINE;
#define ACS_BSBS ACS_HLINE
ch |= ACS_HLINE;