sim_os_ttisatty 2006 src/simh/sim_console.c static t_bool sim_os_ttisatty (void) sim_os_ttisatty 2153 src/simh/sim_console.c static t_bool sim_os_ttisatty (void) sim_os_ttisatty 2261 src/simh/sim_console.c static t_bool sim_os_ttisatty (void)