&& (c->rudpbytes + UDP_MAX_PAYLOAD_SIZE < UDP_DATA_BUFFER_SIZE))
{
char *new_rbuf= (char *)realloc(c->rudpbuf, (size_t)c->rudpsize * 2);
&& (c->rudpbytes + UDP_MAX_PAYLOAD_SIZE < UDP_DATA_BUFFER_SIZE))
{
char *new_rbuf= (char *)realloc(c->rudpbuf, (size_t)c->rudpsize * 2);