_SIGNAL_H          23 maint/gnulib/lib/signal.in.h #if defined __need_sig_atomic_t || defined __need_sigset_t || defined _GL_ALREADY_INCLUDING_SIGNAL_H || (defined _SIGNAL_H && !defined __SIZEOF_PTHREAD_MUTEX_T)
_SIGNAL_H          40 maint/gnulib/lib/signal.in.h #ifndef _@GUARD_PREFIX@_SIGNAL_H
_SIGNAL_H          55 maint/gnulib/lib/signal.in.h #ifndef _@GUARD_PREFIX@_SIGNAL_H
_SIGNAL_H          56 maint/gnulib/lib/signal.in.h #define _@GUARD_PREFIX@_SIGNAL_H