public static switch_status_t switch_channel_set_variable_name_printf(SWIGTYPE_p_switch_channel channel, string val, string fmt) { switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_channel_set_variable_name_printf(SWIGTYPE_p_switch_channel.getCPtr(channel), val, fmt); return ret; }