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Again accepted NULL to indicate IP_ADDR_ANY.
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@ -58,7 +58,9 @@ extern const struct ip_addr ip_addr_broadcast;
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#define IP4_ADDR(ipaddr, a,b,c,d) (ipaddr)->addr = htonl(((u32_t)(a & 0xff) << 24) | ((u32_t)(b & 0xff) << 16) | \
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((u32_t)(c & 0xff) << 8) | (u32_t)(d & 0xff))
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#define ip_addr_set(dest, src) (dest)->addr = ((struct ip_addr *)src)->addr
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#define ip_addr_set(dest, src) (dest)->addr = \
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((src) == NULL? 0:\
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((struct ip_addr *)src)->addr)
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#define ip_addr_maskcmp(addr1, addr2, mask) (((addr1)->addr & \
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(mask)->addr) == \
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((addr2)->addr & \
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