func net.supportsIPv4map

3 uses

	net (current package)
		ipsock.go#L46: func supportsIPv4map() bool {
		ipsock_posix.go#L120: 		if supportsIPv4map() || !supportsIPv4() {
		sockopt_bsd.go#L28: 	if supportsIPv4map() && family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {