2 * Network library header.
3 * Copyright (C) 1998 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
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
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.
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
23 #ifndef _ZEBRA_NETWORK_H
24 #define _ZEBRA_NETWORK_H
26 /* Both readn and writen are deprecated and will be removed. They are not
27 suitable for use with non-blocking file descriptors.
29 extern int readn (int, u_char *, int);
30 extern int writen (int, const u_char *, int);
32 /* Set the file descriptor to use non-blocking I/O. Returns 0 for success,
34 extern int set_nonblocking(int fd);
36 /* Does the I/O error indicate that the operation should be retried later? */
37 #define ERRNO_IO_RETRY(EN) \
38 (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
40 extern float htonf (float);
41 extern float ntohf (float);
43 #endif /* _ZEBRA_NETWORK_H */