if (a.sin_addr.s_addr != (in_addr_t)(-1)) {
/* Override localhost_only with specified listen addr. */
ret->localhost_only = ipv4_is_loopback(a.sin_addr);
if (a.sin_addr.s_addr != (in_addr_t)(-1)) {
/* Override localhost_only with specified listen addr. */
ret->localhost_only = ipv4_is_loopback(a.sin_addr);