release/src/router/apcupsd/include/nis.h

   1 /*
   2  * nis.h
   3  *
   4  * Include file for nis.c definitions
   5  */
   6
   7 /*
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of version 2 of the GNU General
  10  * Public License as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but 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
  18  * License along with this program; if not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  20  * MA 02111-1307, USA.
  21  */
  22
  23 /*
  24  * Receive a message from the other end. Each message consists of
  25  * two packets. The first is a header that contains the size
  26  * of the data that follows in the second packet.
  27  *
  28  * Returns number of bytes read
  29  * Returns 0 on end of file
  30  * Returns -1 on error
  31  */
  32 int net_recv(int sockfd, char *buff, int maxlen);
  33
  34 /*
  35  * Send a message over the network. The send consists of
  36  * two network packets. The first is sends a short containing
  37  * the length of the data packet which follows.
  38  *
  39  * Returns number of bytes sent
  40  * Returns -1 on error
  41  */
  42 int net_send(int sockfd, const char *buff, int len);
  43
  44 /*
  45  * Open a TCP connection to the UPS network server
  46  *
  47  * Returns -1 on error
  48  * Returns socket file descriptor otherwise
  49  */
  50 int net_open(const char *host, char *service, int port);
  51
  52 /* Close the network connection */
  53 void net_close(int sockfd);
  54
  55 /* Wait for and accept a new TCP connection */
  56 int net_accept(int fd, struct sockaddr_in *cli_addr);