const go/types.cgofunc

4 uses

	go/types (current package)
		call.go#L246: 	cgocall := x.mode == cgofunc
		call.go#L704: 					funcMode = cgofunc
		operand.go#L36: 	cgofunc                      // operand is a cgo function
		operand.go#L51: 	cgofunc:   "cgo function",