New comment by rivanfebrian123 on void-packages repository

https://github.com/void-linux/void-packages/issues/32185#issuecomment-886279064

Comment:
Thank you guys for replying!

@loreb Is `utmps` a `logname` alternative? How can I use that. I couldn't find the package
```
[rivanfebrian123@RVN ~]$ xlocate utmps
runit-2.1.2_11	/usr/bin/utmpset
runit-2.1.2_11	/usr/share/man/man8/utmpset.8
```

@ericonr 
Let's say `musl` doesn't really wanna meet POSIX standard because of their principle, but at least, it should be as close as possible to POSIX. Maybe they can return these fallbacks:

1. `$SUDO_USER`
2. `$LOGNAME`
3. `$USER`

In `sudo`, `$LOGNAME` simply returns "root", not my username, so use `$SUDO_USER` instead

@all
Could you guys try those fallbacks on `doas`? I gotta finish my homework assignment in an hour