Add ARES_FLAG_NO_DFLT_SVR and ARES_FLAG_EDNS to API

closes #196

Author: bdraco

src/_cffi_src/build_cares.py

@@ -127,6 +127,7 @@
 #define ARES_FLAG_NOALIASES     ...
 #define ARES_FLAG_NOCHECKRESP   ...
 #define ARES_FLAG_EDNS          ...
+#define ARES_FLAG_NO_DFLT_SVR   ...
 
 #define ARES_OPT_FLAGS          ...
 #define ARES_OPT_TIMEOUT        ...

src/pycares/__init__.py

@@ -28,6 +28,8 @@
 ARES_FLAG_NOSEARCH = _lib.ARES_FLAG_NOSEARCH
 ARES_FLAG_NOALIASES = _lib.ARES_FLAG_NOALIASES
 ARES_FLAG_NOCHECKRESP = _lib.ARES_FLAG_NOCHECKRESP
+ARES_FLAG_EDNS = _lib.ARES_FLAG_EDNS
+ARES_FLAG_NO_DFLT_SVR = _lib.ARES_FLAG_NO_DFLT_SVR
 
 # Nameinfo flag values
 ARES_NI_NOFQDN = _lib.ARES_NI_NOFQDN
@@ -881,6 +883,8 @@ def ares_threadsafety() -> bool:
     "ARES_FLAG_NOSEARCH",
     "ARES_FLAG_NOALIASES",
     "ARES_FLAG_NOCHECKRESP",
+    "ARES_FLAG_EDNS",
+    "ARES_FLAG_NO_DFLT_SVR",
 
     # Nameinfo flag values
     "ARES_NI_NOFQDN",