Timothy Flynn 1ee808fae6 LibCore: Define and use a fallible, OS-independent getpwent(_r) wrapper ...

Rather than maintaining a list of #ifdef guards to check systems that do
not provide the reentrant version of getpwent, we can use C++ concepts
to let the compiler perform this check for us.

While we're at it, we can also provide this wrapper as fallible to let
the caller TRY calling it.

2022-12-14 07:25:36 -05:00

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