Obtains the canonicalized absolute path name corresponding to an open file handle.
This function has limited platform support, and using it can lead to unnecessary failures and race conditions. It is generally advisable to avoid this function entirely.
pub fn realPath(file: File, io: Io, out_buffer: []u8) RealPathError!usize
pub fn realPath(file: File, io: Io, out_buffer: []u8) RealPathError!usize {
return io.vtable.fileRealPath(io.userdata, file, out_buffer);
}