Mine
public text v1 · immutablebender ~ # klcc -o test test.c
In file included from /usr/lib/klibc/include/sys/select.h:11,
from /usr/lib/klibc/include/unistd.h:12,
from /usr/lib/klibc/include/stdio.h:11,
from test.c:1:
/usr/lib/klibc/include/signal.h:93: warning: struct sigaction declared inside parameter list
/usr/lib/klibc/include/signal.h:93: warning: its scope is only this definition or declaration, which is probably not what you want