- froms = NEW2 (nvectors, short *);
- tos = NEW2 (nvectors, short *);
- tally = NEW2 (nvectors, short);
- width = NEW2 (nvectors, short);
+ froms = XCALLOC (short *, nvectors);
+ tos = XCALLOC (short *, nvectors);
+ tally = XCALLOC (short, nvectors);
+ width = XCALLOC (short, nvectors);