.TH libssh2_channel_x11_req_ex 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual"
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.SH NAME
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libssh2_channel_x11_req_ex - request an X11 forwarding channel
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.SH SYNOPSIS
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#include <libssh2.h>
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int
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libssh2_channel_x11_req_ex(LIBSSH2_CHANNEL *channel, int single_connection, const char *auth_proto, const char *auth_cookie, int screen_number);
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int
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libssh2_channel_x11_req(LIBSSH2_CHANNEL *channel, int screen_number);
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.SH DESCRIPTION
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\fIchannel\fP - Previously opened channel instance such as returned by
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.BR libssh2_channel_open_ex(3)
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\fIsingle_connection\fP - non-zero to only forward a single connection.
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\fIauth_proto\fP - X11 authentication protocol to use
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\fIauth_cookie\fP - the cookie (hexadecimal encoded).
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\fIscreen_number\fP - the XLL screen to forward
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Request an X11 forwarding on \fIchannel\fP. To use X11 forwarding,
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.BR libssh2_session_callback_set(3)
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must first be called to set \fBLIBSSH2_CALLBACK_X11\fP. This callback will be
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invoked when the remote host accepts the X11 forwarding.
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.SH RETURN VALUE
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Return 0 on success or negative on failure. It returns
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LIBSSH2_ERROR_EAGAIN when it would otherwise block. While
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LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se.
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.SH ERRORS
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\fILIBSSH2_ERROR_ALLOC\fP - An internal memory allocation call failed.
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\fILIBSSH2_ERROR_SOCKET_SEND\fP - Unable to send data on socket.
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\fILIBSSH2_ERROR_CHANNEL_REQUEST_DENIED\fP -
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.SH SEE ALSO
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.BR libssh2_channel_open_ex(3)
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.BR libssh2_session_callback_set(3)
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