@deftypefun {void} {gnutls_handshake_set_read_function} (gnutls_session_t @var{session}, gnutls_handshake_read_func @var{func})
@var{session}: is @code{gnutls_session_t}  type

@var{func}: is the function to be called

This function will set a callback to be called when a handshake
message is being sent.

@strong{Since:} 3.7.0
@end deftypefun