func net.supportsIPv4

3 uses

	net (current package)
		ipsock.go#L33: func supportsIPv4() bool {
		ipsock_posix.go#L143: 		if supportsIPv4map() || !supportsIPv4() {
		mptcpsock_linux.go#L38: 	if !supportsIPv4() {

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