uv_udp_set_ttl    950 include/uv.h   UV_EXTERN int uv_udp_set_ttl(uv_udp_t* handle, int ttl);
uv_udp_set_ttl     54 test/test-udp-options.c     r = uv_udp_set_ttl(&h, i);
uv_udp_set_ttl     59 test/test-udp-options.c     r = uv_udp_set_ttl(&h, invalid_ttls[i]);