sim_os_ttclose 2001 src/simh/sim_console.c static t_stat sim_os_ttclose (void) sim_os_ttclose 2148 src/simh/sim_console.c static t_stat sim_os_ttclose (void) sim_os_ttclose 2256 src/simh/sim_console.c static t_stat sim_os_ttclose (void)