MTSE_IOERR       2397 src/dps8/dps8_mt.c     else if (code == MTSE_IOERR)
MTSE_IOERR       1187 src/simh/sim_tape.c     return MTSE_IOERR;                                  /*   then report an I/O error */
MTSE_IOERR       1826 src/simh/sim_tape.c return MTSE_IOERR;