1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* nis.h
*
* Include file for nis.c definitions
*/
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General
* Public License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
/*
* Receive a message from the other end. Each message consists of
* two packets. The first is a header that contains the size
* of the data that follows in the second packet.
*
* Returns number of bytes read
* Returns 0 on end of file
* Returns -1 on error
*/
int net_recv(int sockfd, char *buff, int maxlen);
/*
* Send a message over the network. The send consists of
* two network packets. The first is sends a short containing
* the length of the data packet which follows.
*
* Returns number of bytes sent
* Returns -1 on error
*/
int net_send(int sockfd, const char *buff, int len);
/*
* Open a TCP connection to the UPS network server
*
* Returns -1 on error
* Returns socket file descriptor otherwise
*/
int net_open(const char *host, char *service, int port);
/* Close the network connection */
void net_close(int sockfd);
/* Wait for and accept a new TCP connection */
int net_accept(int fd, struct sockaddr_in *cli_addr);
|
