31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs]

31.12.13.25 Is symlink [fs.op.is.symlink]

Returns: s.type() == file_type​::​symlink.
Returns: is_symlink(symlink_status(p)) or is_symlink(symlink_status(p, ec)), respectively.
The signature with argument ec returns false if an error occurs.
Throws: As specified in [fs.err.report].