ptr                13 user/umalloc.c     union header *ptr;
ptr                30 user/umalloc.c   for(p = freep; !(bp > p && bp < p->s.ptr); p = p->s.ptr)
ptr                31 user/umalloc.c     if(p >= p->s.ptr && (bp > p || bp < p->s.ptr))
ptr                33 user/umalloc.c   if(bp + bp->s.size == p->s.ptr){
ptr                34 user/umalloc.c     bp->s.size += p->s.ptr->s.size;
ptr                35 user/umalloc.c     bp->s.ptr = p->s.ptr->s.ptr;
ptr                37 user/umalloc.c     bp->s.ptr = p->s.ptr;
ptr                40 user/umalloc.c     p->s.ptr = bp->s.ptr;
ptr                42 user/umalloc.c     p->s.ptr = bp;
ptr                71 user/umalloc.c     base.s.ptr = freep = prevp = &base;
ptr                74 user/umalloc.c   for(p = prevp->s.ptr; ; prevp = p, p = p->s.ptr){
ptr                77 user/umalloc.c         prevp->s.ptr = p->s.ptr;