dcmalloc
char *dcmalloc();
dummy = dcmalloc(0);
char *dcmalloc();
ptr = dcmalloc((unsigned)size);
if ((ptr = dcmalloc((unsigned)size)) == 0)
char *dcmalloc();
hfree = h = (struct blk *)dcmalloc(HEADSZ);
if ((hfree = h = (struct blk *)dcmalloc(HEADSZ)) == 0)
char *dcmalloc();
dummy = dcmalloc(0);
char *dcmalloc();
q = r = dcmalloc(nbytes);