[libc-commits] [libc] [libc] Add `vsscanf` function (PR #97529)

[Joseph Huber via libc-commits]

https://github.com/jhuber6 commented:

The implementation is trivial here, can you go ahead and do it? All you need to do is copy the code from `sscanf` sans the `va_list` creation.

https://github.com/llvm/llvm-project/pull/97529