Deprecate std.c.string and move its contents to druntime
Remained fix for issue 13098 - isValidFilename and alias this
[Refactoring] reduce overloads
Merge pull request #2330 from joakim-noah/strerror_move

Deprecate std.c.string and move its contents to druntime
Merge pull request #2333 from 9rnsr/fix13098

[REG2.066a] Remained fix for issue 13098 - isValidFilename and alias this