pub fn failingFileRealPath(userdata: ?*anyopaque, file: File, out_buffer: []u8) File.RealPathError!usize
pub fn failingFileRealPath(userdata: ?*anyopaque, file: File, out_buffer: []u8) File.RealPathError!usize { _ = userdata; _ = file; _ = out_buffer; return error.FileNotFound; }