       = syscall.Errno(0x00)  ENOMEM          = syscall.Errno(0xc)  ENOMSG          = syscall.Errno(0x0a)  ENOPROTOOPT     = syscall.Errno(0x0a)  ENOSPC          = syscall.Errno(0x0c)  ENOSYS          = syscall.Errno(0x0e)  ENOTBLK         = syscall.Errno(0xf)  ENOTCONN        = syscall.Errno(0x00)  ENOTDIR         = syscall.Errno(0x00)  ENOTEMPTY       = syscall.Errno(0x00)  ENOTSOCK        = syscall.Errno(0x00)  ENOTSUP         = syscall.Errno(0x0