BACKTRACE_SKIP 49 src/simh/backtrace_func.c # define BACKTRACE_SKIP 1 BACKTRACE_SKIP 50 src/simh/backtrace_main.c # define BACKTRACE_SKIP 1 BACKTRACE_SKIP 1546 src/simh/scp.c # define BACKTRACE_SKIP 1