The one online tool that I use for this kind of work is Woboq Code Browser. It's only C/C++ projects and not many are freely available. The Linux kernel is thou

The one online tool that I use for this kind of work is Woboq Code Browser. It's only C/C++ projects and not many are freely available. The Linux kernel is though and I spend a lot of time in that code base. glibc, gcc and llvm are also available. https://code.woboq.org/ https://code.woboq.org/