ret_status 244 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c ftdm_status_t ret_status; ret_status 269 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c ret_status = ftdm_interrupt_multiple_wait(ftdm_sangoma_isdn_int, 2, sleep); ret_status 272 src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c switch (ret_status) {