#include <stdint.h>
typedef struct IP_t
{
uint8_t data[4];
} IP;
typedef struct IPPair_t
{
IP source;
IP destination;
} IPPair;
static const IPPair pair = {{{{ 1, 2, 3, 4 }}}, {{{ 1, 2, 3, 5 }}}};
int main() { return 0; }
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