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/* must be called before using libtcp. returns 0 on success, or non-zero if network subsystem is not available. */
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/* must be called before using libtcp. returns 0 on success, or non-zero if network subsystem is not available. */
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int net_init(void);
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int net_init(void);
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/* initiates a connection to an IP host and returns a socket pointer (or NULL
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/* initiates a connection to an IP host and returns a socket pointer (or NULL
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* on error) - note that connection is NOT established at this point!
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* on error) - note that connection is NOT established at this point!
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* use net_isconnected() to know when the connection is connected. */
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* use net_isconnected() to know when the connection is connected.
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* buffsz is the size of the TCP buffer that will be allocated by net_connect. */
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struct net_tcpsocket *net_connect(const char *ip, unsigned short port);
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struct net_tcpsocket *net_connect(const char *ip, unsigned short port, unsigned short buffsz);
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/* checks whether or not a socket is connected. returns:
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/* checks whether or not a socket is connected. returns:
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* 0 = not connected,
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* 0 = not connected,
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* 1 = connected
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* 1 = connected
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* -1 = error */
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* -1 = error */
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