?? udp.h
字號:
1 /*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Definitions for the UDP module.
7 *
8 * Version: @(#)udp.h 1.0.2 05/07/93
9 *
10 * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
11 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
12 *
13 * Fixes:
14 * Alan Cox : Turned on udp checksums. I don't want to
15 * chase 'memory corruption' bugs that aren't!
16 *
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License
19 * as published by the Free Software Foundation; either version
20 * 2 of the License, or (at your option) any later version.
21 */
22 #ifndef _UDP_H
23 #define _UDP_H
24
25 #include <linux/udp.h>
26
27
28 #define UDP_NO_CHECK 0
29
30
31 extern struct proto udp_prot;
32
33
34 extern void udp_err(int err, unsigned char *header, unsigned long daddr,
35 unsigned long saddr, struct inet_protocol *protocol);
36 extern int udp_recvfrom(struct sock *sk, unsigned char *to,
37 int len, int noblock, unsigned flags,
38 struct sockaddr_in *sin, int *addr_len);
39 extern int udp_read(struct sock *sk, unsigned char *buff,
40 int len, int noblock, unsigned flags);
41 extern int udp_connect(struct sock *sk,
42 struct sockaddr_in *usin, int addr_len);
43 extern int udp_rcv(struct sk_buff *skb, struct device *dev,
44 struct options *opt, unsigned long daddr,
45 unsigned short len, unsigned long saddr, int redo,
46 struct inet_protocol *protocol);
47 extern int udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
48
49
50 #endif /* _UDP_H */
51
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