pkg os, const ModeSymlink FileMode
pkg os, const ModeTemporary FileMode
pkg os, const ModeType FileMode
pkg os, const O_APPEND int
pkg os, const O_CREATE int
pkg os, const O_EXCL int
pkg os, const O_RDONLY int
pkg os, const O_RDWR int
pkg os, const O_SYNC int
pkg os, const O_TRUNC int
pkg os, const O_WRONLY int
pkg os, const PathListSeparator ideal-char
pkg os, const PathSeparator ideal-char

pkg os, const ModeSocket = 16777216
pkg os, const ModeSticky = 1048576
pkg os, const ModeSymlink = 134217728
pkg os, const ModeTemporary = 268435456
pkg os, const ModeType = 2399141888
pkg os, const O_RDONLY = 0
pkg os, const O_RDWR = 2
pkg os, const O_WRONLY = 1
pkg os, const SEEK_CUR = 1
pkg os, const SEEK_END = 2
pkg os, const SEEK_SET = 0
pkg os, method (FileMode) IsRegular() bool