131 bool GetVarint32(Slice* input, uint32_t* value) {  in GetVarint32()  argument
132   const char* p = input->data();  in GetVarint32()
133   const char* limit = p + input->size();  in GetVarint32()
138     *input = Slice(q, limit - q);  in GetVarint32()
160 bool GetVarint64(Slice* input, uint64_t* value) {  in GetVarint64()  argument
161   const char* p = input->data();  in GetVarint64()
162   const char* limit = p + input->size();  in GetVarint64()
167     *input = Slice(q, limit - q);  in GetVarint64()
182 bool GetLengthPrefixedSlice(Slice* input, Slice* result) {  in GetLengthPrefixedSlice()  argument
184   if (GetVarint32(input, &len) &&  in GetLengthPrefixedSlice()
185       input->size() >= len) {  in GetLengthPrefixedSlice()
186     *result = Slice(input->data(), len);  in GetLengthPrefixedSlice()
187     input->remove_prefix(len);  in GetLengthPrefixedSlice()