sim_rtcn_init_unit  376 src/simh/sim_timer.c return sim_rtcn_init_unit (NULL, time, tmr);
sim_rtcn_init_unit  809 src/simh/sim_timer.c         sim_rtcn_init_unit (&SIM_INTERNAL_UNIT, (CLK_INIT*CLK_TPS)/sim_int_clk_tps, SIM_INTERNAL_CLK);
sim_rtcn_init_unit   64 src/simh/sim_timer.h int32 sim_rtcn_init_unit (UNIT *uptr, int32 time, int32 tmr);