r5_sockaddr_in
r5_sockaddr_in* r5Addr = (r5_sockaddr_in*)&sa;
const r5_sockaddr_in* r5Addr = (const r5_sockaddr_in*)&addr;
*_addressLength = sizeof(struct r5_sockaddr_in);
*_addressLength = sizeof(struct r5_sockaddr_in);
const r5_sockaddr_in *from = (r5_sockaddr_in *)_from;
*_addressLength = sizeof(struct r5_sockaddr_in);
*_addressLength = sizeof(struct r5_sockaddr_in);
r5_sockaddr_in *to = (r5_sockaddr_in *)_to;
memset(to, 0, sizeof(r5_sockaddr_in));