RE: [PATCH v4] sscanf: implement basic character sets

[Shahbaz Youssefi]

Note: CC me

I just read on lwn about the implementation of `%[` in sscanf. Just
wanted to point out my implementation (which supports `]` ranges (`-`)
and negation (`^`)) and let you know that you are free to take
code/inspiration from it:

https://github.com/ShabbyX/kio/blob/master/src/scanf.c#L398