ibcs2_sys_sigaction  447 compat/ibcs2/ibcs2_syscallargs.h int	ibcs2_sys_sigaction(struct proc *, void *, register_t *);
ibcs2_sys_sigaction  374 compat/ibcs2/ibcs2_sysent.c 	    ibcs2_sys_sigaction },		/* 167 = sigaction */