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.\" $Id: libssh2_session_callback_set.3,v 1.2 2009/03/17 10:34:27 bagder Exp $
.\"
.TH libssh2_session_callback_set 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual"
.SH NAME
libssh2_session_callback_set - set a callback function
.SH SYNOPSIS
#include <libssh2.h>
void *
libssh2_session_callback_set(LIBSSH2_SESSION *session, int cbtype, void *callback);
.SH DESCRIPTION
\fIsession\fP - Session instance as returned by
.BR libssh2_session_init_ex(3)
\fIcbtype\fP - Callback type. One of the types listed in Callback Types.
\fIcallback\fP - Pointer to custom callback function. The prototype for
this function must match the associated callback declaration macro.
Sets a custom callback handler for a previously initialized session
object. Callbacks are triggered by the receipt of special packets at
the Transport layer. To disable a callback, set it to NULL.
.SH RETURN VALUE
Pointer to previous callback handler. Returns NULL if no
prior callback handler was set.
.SH SEE ALSO
.BR libssh2_session_init_ex(3)
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