Add fastapi code

venv/lib/python3.11/site-packages/uvloop/handles/udp.pxd

@@ -0,0 +1,22 @@
+cdef class UDPTransport(UVBaseTransport):
+    cdef:
+        bint __receiving
+        int _family
+        object _address
+
+    cdef _init(self, Loop loop, unsigned int family)
+    cdef _set_address(self, system.addrinfo *addr)
+
+    cdef _connect(self, system.sockaddr* addr, size_t addr_len)
+
+    cdef _bind(self, system.sockaddr* addr)
+    cdef open(self, int family, int sockfd)
+    cdef _set_broadcast(self, bint on)
+
+    cdef inline __receiving_started(self)
+    cdef inline __receiving_stopped(self)
+
+    cdef _send(self, object data, object addr)
+
+    cdef _on_receive(self, bytes data, object exc, object addr)
+    cdef _on_sent(self, object exc, object context=*)