References: syscall.IP_RSVP_VIF

const syscall.IP_RSVP_VIF_OFF

one use

	syscall (current package)
		zerrors_darwin_arm64.go#L611: 	IP_RSVP_VIF_OFF                   = 0x12

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)