const golang.org/x/sys/unix.CBitFieldMaskBit4

2 uses

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1023: 	PerfBitExcludeUser                   = CBitFieldMaskBit4
		ztypes_linux_amd64.go#L366: 	CBitFieldMaskBit4  = 0x10