Subj : DDMsgReader: As a loadable module, now make use of user# parameter for
To   : GitLab note in main/sbbs
From : Eric Oulashin
Date : Thu Feb 09 2023 15:43:20

https://gitlab.synchro.net/main/sbbs/-/merge_requests/254#note_3207

It's just a different style of ensuring it's a number, I suppose.  I saw this style in an example years ago and have been doing it this way for a while.  I don't know if there's any either advantage either way.
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