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how should a sockaddr struct be filled in for a normal web address?

Subject: how should a sockaddr struct be filled in for a normal web address?
From: Ben Dougall <email@hidden>
Date: Sun, 15 Oct 2006 00:59:33 +0100
Delivered-to: email@hidden
Delivered-to: email@hidden

I want to call this function:

Boolean SCNetworkCheckReachabilityByAddress (
    const struct sockaddr *address,
    int addrlen,
    SCNetworkConnectionFlags *flags );

A struct sockaddr is:

struct sockaddr {
	u_char sa_len;		/* total length */
	u_char sa_family;		/* address family */
	char sa_data[14];		/* actually longer; address value */
};

I don't know how the struct should be filled in in order to call the above function. Can anyone point me to some example code that fills that struct in for a normal web address e.g. amazon.com?

Thanks, Ben.

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