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

7 uses

	golang.org/x/sys/unix (current package)
		fdset.go#L11: 	fds.Bits[fd/NFDBITS] |= (1 << (uintptr(fd) % NFDBITS))
		fdset.go#L16: 	fds.Bits[fd/NFDBITS] &^= (1 << (uintptr(fd) % NFDBITS))
		fdset.go#L21: 	return fds.Bits[fd/NFDBITS]&(1<<(uintptr(fd)%NFDBITS)) != 0
		zerrors_darwin_arm64.go#L983: 	NFDBITS                           = 0x20