- nxtbuf = compbuffers = (char **) mh_xcalloc((size_t) ncomps,
- sizeof(char *));
- used_buf = (struct comp **) mh_xcalloc((size_t) (ncomps+1),
- sizeof(struct comp *));
+ nxtbuf = compbuffers = mh_xcalloc(ncomps, sizeof(char *));
+ used_buf = mh_xcalloc(ncomps+1, sizeof(struct comp *));