Free Hero Mesh

            if(!s) fatal("Allocation failed\n");
            s->id=tokenv|0x8000;
            s->addr=ptr-1;
            s->next=labelstack;
            labelstack=s;
          }
          break;
        case OP_IF: case OP_OR: case OP_AND: case OP_FORK:
          AddInst(tokenv);
          FlowPush(OP_IF);
          peep=++ptr;
          break;
        case OP_THEN:
          FlowPop(OP_IF);
          cl->codes[flowptr[flowdepth]]=peep=ptr;