const golang.org/x/sys/unix._C__NSIG

4 uses

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L2131: 	return signalfd(fd, sigmask, _C__NSIG/8, flags)
		syscall_linux.go#L2572: 	return rtSigprocmask(how, set, oldset, _C__NSIG/8)
		syscall_linux.go#L2611: 		sigsetWords := (_C__NSIG - 1 + wordBits - 1) / (wordBits)
		ztypes_linux_amd64.go#L269: const _C__NSIG = 0x41