457     ssize_t availToRead = obtain(iovec, count, timeout, lost);  in read()  local
458     if (availToRead > 0) {  in read()
466         release(availToRead);  in read()
468     return availToRead;  in read()
620     size_t availToRead = (size_t) filled;  in obtain()  local
621     if (availToRead > count) {  in obtain()
622         availToRead = count;  in obtain()
626     if (part1 > availToRead) {  in obtain()
627         part1 = availToRead;  in obtain()
629     size_t part2 = part1 > 0 ? availToRead - part1 : 0;  in obtain()
636         mObtained = availToRead;  in obtain()
638     return availToRead > 0 ? availToRead : err;  in obtain()