FTDM_ENOMEM 1958 src/ftdm_io.c return FTDM_ENOMEM; FTDM_ENOMEM 261 src/ftdm_threadmutex.c return FTDM_ENOMEM; FTDM_ENOMEM 269 src/ftdm_threadmutex.c status = FTDM_ENOMEM;