fd_set 605 src/ftdm_m3ua.c fd_set rfds, efds; fd_set 197 src/ftmod/ftmod_libpri/lpwrap_pri.c fd_set rfds, efds; fd_set 64 src/priserver.c fd_set readfds; fd_set 156 src/sangoma_pri.c fd_set rfds, efds;