sigismember       223 maint/gnulib/lib/signal.in.h # undef sigismember
sigismember       230 maint/gnulib/lib/signal.in.h #   undef sigismember
sigismember       376 maint/gnulib/lib/signal.in.h # undef sigismember
sigismember       114 maint/gnulib/lib/sigprocmask.c sigismember (const sigset_t *set, int sig)
sigismember        74 maint/gnulib/lib/spawni.c # define sigismember __sigismember