#ifndef VAXC
#  include fcntl
#endif /* ndef VAXC */

#  ifndef O_BINARY
#    define O_BINARY 004        /* Fake creation mode for open(). */
#  endif
#  ifndef O_NOCTTY
#    define O_NOCTTY 0
#  endif
#  ifndef O_NOFOLLOW
#    define O_NOFOLLOW 0        /* Dummy creation mode for open(). */
#  endif
#  ifndef O_NONBLOCK
#    define O_NONBLOCK 0
#  endif