connect_to_addr_str
int connect_to_addr_str(int family, int type, const char *addr_str, __u16 port,
cfd = connect_to_addr_str(family, SOCK_STREAM, ip_addr, GSO_TCP_PORT, NULL);
connected_fd = connect_to_addr_str(AF_INET, sotype, EXT_IP4, EXT_PORT, NULL);
client_fd = connect_to_addr_str(AF_INET, sotype, EXT_IP4, EXT_PORT, NULL);
client_fd = connect_to_addr_str(is_ipv6(t->connect_to.ip) ? AF_INET6 : AF_INET,
established_socks[i] = connect_to_addr_str(family, sock_type,
client_fd = connect_to_addr_str(family, SOCK_STREAM, cfg->server_addr,