inv_weight
int inv_weight(void);
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;
while (inv_weight() > 0 && u.ustr < 118)