31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs] Read symlink [fs.op.read.symlink]

Returns: If p resolves to a symbolic link, a path object containing the contents of that symbolic link.
The signature with argument ec returns path() if an error occurs.
Throws: As specified in [fs.err.report].
[Note 1: 
It is an error if p does not resolve to a symbolic link.
— end note]