network.h 1.5 KB

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  1. /*
  2. * Network library header.
  3. * Copyright (C) 1998 Kunihiro Ishiguro
  4. *
  5. * This file is part of GNU Zebra.
  6. *
  7. * GNU Zebra is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License as published by the
  9. * Free Software Foundation; either version 2, or (at your option) any
  10. * later version.
  11. *
  12. * GNU Zebra is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with GNU Zebra; see the file COPYING. If not, write to the Free
  19. * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20. * 02111-1307, USA.
  21. */
  22. #ifndef _ZEBRA_NETWORK_H
  23. #define _ZEBRA_NETWORK_H
  24. /* Both readn and writen are deprecated and will be removed. They are not
  25. suitable for use with non-blocking file descriptors.
  26. */
  27. extern int readn (int, u_char *, int);
  28. extern int writen (int, const u_char *, int);
  29. /* Set the file descriptor to use non-blocking I/O. Returns 0 for success,
  30. -1 on error. */
  31. extern int set_nonblocking(int fd);
  32. /* Does the I/O error indicate that the operation should be retried later? */
  33. #define ERRNO_IO_RETRY(EN) \
  34. (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
  35. extern float htonf (float);
  36. extern float ntohf (float);
  37. #endif /* _ZEBRA_NETWORK_H */