ip_addr_len
path_req.ip_addr_len = 16;
path_req.ip_addr_len = 4;
path_req.ip_addr_len = 4;
path_req.ip_addr_len = 16;
uint32_t ip_addr_len; /* 4 or 16 */
int ret = -1, ipalen = ip_addr_len(family);
size_t ipalen = ip_addr_len(family);
int ret = -1, ipalen = ip_addr_len(family);
int ret = -1, ipalen = ip_addr_len(family);