29 Input/output library [input.output]

29.12 File systems [filesystems]

29.12.13 Filesystem operation functions [fs.op.funcs]

29.12.13.6 Copy symlink [fs.op.copy.symlink]

Effects: Equivalent to function(read_­symlink(existing_­symlink), new_­symlink) or
function(read_­symlink(existing_­symlink, ec), new_­symlink, ec), respectively, where in each case function is create_­symlink or create_­directory_­symlink as appropriate.
Throws: As specified in [fs.err.report].