inv_weight
if(inv_weight() > 0){
if((!invent || inv_weight()+90 <= 0) &&
invent && inv_weight()+40 > 0) {
if(inv_weight() + (int) uball->owt/2 > 0) {
wt = inv_weight() + obj->owt;
int iw = inv_weight();
if(!Levitation && inv_weight() + 5 > 0) {
if(inv_weight() + 5 > 0 || Punished){
tmp -= (inv_weight() + 40)/20;
int inv_weight(void);
while(inv_weight() > 0 && u.ustr < 118)