struct vm_map_entry *src; struct vm_map_entry *dst;
vm_map_entry_t src; vm_map_entry_t dst;
uvm_mapent_copy(src, dst)	struct vm_map_entry *src;	struct vm_map_entry *dst;{	memcpy(dst, src,	       ((char *)&src->uvm_map_entry_stop_copy) - ((char *)src));}