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Very old, forgotten, most likely not working, but seems to do something

/**************************************************************************
 *                                                                        *
 *  Net TCP/IP connection routines                                        *
 *                                                                        *
 *  Programmed by Ondrej Jombik <nepto@platon.sk>                         *
 *  Copyright (c) 2000 Condy software inc.                                *
 *  Copyright (c) 2001-2003 Platon Software Development Group             *
 *  All rights reserved.                                                  *
 *                                                                        *
 *  Updates: 29.1.2000, 9.2.2000, 21.3.2000, 5.10.2001                    *
 *  20.9.2002 - Doxygen documentation                                     *
 *                                                                        *
 **************************************************************************/

/**
 * Net TCP/IP connection routines
 *
 * @file    platon/net/connection.h
 * @author    Ondrej Jombik <nepto@platon.sk>
 * @version    \$Platon: libplaton/platon/net/connection.h,v 1.12 2003/07/16 16:09:16 nepto Exp $
 * @date    2000-2003
 */

#ifndef _PLATON_NET_CONNECTION_H
#define _PLATON_NET_CONNECTION_H

#ifdef __cplusplus
extern "C" {
#endif

    /**
     * Connects to remote host
     *
     * @param    host        hostname
     * @param    port        port
     * @return    connection handle (socket) or -1 on error
     */
    int net_connection_open(const char *host, int port);
    void net_connection_close(int *handle);

    /**
     * Read data from connection
     *
     * @param    handle    connection handle (socket)
     * @retval    buffer    pointer where to store read data
     * @param    size    buffer size
     * @return    count of read bytes or negative value on connection lost
     */
    int net_connection_read(int *handle, void *buffer, int size);
    int net_connection_read_blocked(int *handle, void *buffer, int size);
    int net_connection_read_full(int *handle, void *buffer, int size);

#if 0
    /**
     * Read one line from connection
     *
     * @param    handle    connection handle (socket)
     * @retval    buffer    pointer where to store read data
     * @param    size    buffer size
     * @return    count of read bytes or negative value on connection lost
     *
     * One line is character set terminated with @ref NET_CONNECTION_EOL.
     */
    int net_connection_gets(int *handle, char *buffer, int size);
    int net_connection_gets_blocked(int *handle, char *buffer, int size);
#endif

#ifdef __cplusplus
}
#endif

#endif /* #ifndef _PLATON_NET_CONNECTION_H */