number            119 src/simh/backtrace_func.c backtrace_handler(int number)
number            125 src/simh/backtrace_func.c   if (number != SIGUSR2)
number            145 src/simh/backtrace_func.c       if (number == SIGUSR2)
number            149 src/simh/backtrace_func.c                 (long)bt_pid, number);
number            156 src/simh/backtrace_func.c                 (long)bt_pid, number);
number            165 src/simh/backtrace_func.c               number);
number           10838 src/simh/scp.c                     FAIL (SCPE_ARG, Invalid parameter number, start);