73   const char* cap_[64];     // capture registers  member in re2::Backtracker
110   CHECK(2*nsubmatch_ < arraysize(cap_));  in Search()
111   memset(cap_, 0, sizeof cap_);  in Search()
131     cap_[0] = text.begin();  in Search()
139     cap_[0] = p;  in Search()
187       if (0 <= ip->cap() && ip->cap() < arraysize(cap_)) {  in Visit()
189         const char* q = cap_[ip->cap()];  in Visit()
190         cap_[ip->cap()] = p;  in Visit()
193         cap_[ip->cap()] = q;  in Visit()
211       cap_[1] = p;  in Visit()
215           submatch_[i] = StringPiece(cap_[2*i], cap_[2*i+1] - cap_[2*i]);  in Visit()