)  EILSEQ          = syscall.Errno(0x00)  EINPROGRESS     = syscall.Errno(0x00)  EINTR           = syscall.Errno(0x0)  EINVAL          = syscall.Errno(0x00)  EIO             = syscall.Errno(0x0)  EISCONN         = syscall.Errno(0x0