_INC_BACKTRACE_FUNC   46 src/simh/backtrace_func.c # if !defined(_INC_BACKTRACE_FUNC)
_INC_BACKTRACE_FUNC   46 src/simh/backtrace_main.c # if defined(_INC_BACKTRACE_FUNC)
_INC_BACKTRACE_FUNC 1663 src/simh/scp.c #   if defined(_INC_BACKTRACE_FUNC)