ZERObt            578 enc/trans/utf_16_32.c             return ZERObt;
ZERObt            582 enc/trans/utf_16_32.c             return ZERObt;
ZERObt            626 enc/trans/utf_16_32.c             return ZERObt;
ZERObt            630 enc/trans/utf_16_32.c             return ZERObt;
ZERObt            573 transcode.c    	  case ZERObt: /* drop input */