switch_event_get_header 1060 mod_freetdm/mod_freetdm.c if ((variable = switch_event_get_header(var_event, variable_name))) { switch_event_get_header 1093 mod_freetdm/mod_freetdm.c if ((var = switch_event_get_header(hdata->var_event, "freetdm_pre_buffer_size"))) {