cleanups: unnecessary casts, unified const_1, eliminate cross-.c file
prototypes (heresy!), add spaces in places like "flags&NETSTAT_CONNECTED", removed unused #defines, #ifdef -> #if, use uint32_t for ipv4 addrs.
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@@ -343,8 +343,7 @@ static void ping(const char *host)
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/* set recv buf for broadcast pings */
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sockopt = 48 * 1024; /* explain why 48k? */
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setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, (char *) &sockopt,
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sizeof(sockopt));
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setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
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printf("PING %s (%s)",
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hostent->h_name,
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