sigismember        51 compat/ibcs2/ibcs2_signal.c #define sigismember(s, n)	(*(s) & sigmask(n))
sigismember        57 compat/linux/linux_signal.c #define	sigismember(s, n)	(*(s) & sigmask(n))
sigismember       414 compat/osf1/osf1.h #define sigismember(s, n)       (*(s) & sigmask(n))
sigismember        52 compat/svr4/svr4_signal.c #define sigismember(s, n)	(*(s) & sigmask(n))