nexttoken         144 host/buildvm_fold.c   uint32_t op = nexttoken(&p, 0, 0);
nexttoken         145 host/buildvm_fold.c   uint32_t left = nexttoken(&p, 0, 0x7f);
nexttoken         146 host/buildvm_fold.c   uint32_t right = nexttoken(&p, 1, 0x3ff);