SETINC
setsize1 = SETINC;
if ((item1 = (POSTING *)malloc(SETINC * sizeof (POSTING))) == NULL) {
invcannotalloc(SETINC);
setsize2 = SETINC;
if ((item2 = (POSTING *)malloc(SETINC * sizeof (POSTING))) == NULL) {
invcannotalloc(SETINC);
u += SETINC;
u += SETINC;