doc: update README

Signed-off-by: hexian000 <[email protected]>
hexian000 · Jan 7, 2024 · c92d1f7 · c92d1f7
1 parent f9b42e5
commit c92d1f7
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diff --git a/README.md b/README.md
@@ -51,6 +51,12 @@ network access -> proxy client -> kcptun-libev client ->
 ```
 
 Less typically, reliable UDP can help users connect to TCP services behind NAT, see [rendezvous mode](#rendezvous-mode).
+```
+client -> NAT1 -> rendezvous server
+server -> NAT2 -> rendezvous server
+
+client -> NAT1 -> NAT2 -> server
+```
 
 Since KCP retransmits packets more aggressively. It is recommended to enable proper QoS at the NIC level when running on a public network.
 

diff --git a/src/sockutil.h b/src/sockutil.h
@@ -40,10 +40,9 @@ bool sa_equals(const struct sockaddr *a, const struct sockaddr *b);
 bool sa_matches(const struct sockaddr *bind, const struct sockaddr *dest);
 int format_sa(const struct sockaddr *sa, char *buf, size_t buf_size);
 
-enum {
-	RESOLVE_TCP = 0x0,
-	RESOLVE_UDP = 0x1,
-	RESOLVE_PASSIVE = 0x2,
+enum { RESOLVE_TCP = 0x0,
+       RESOLVE_UDP = 0x1,
+       RESOLVE_PASSIVE = 0x2,
 };
 bool resolve_addr(union sockaddr_max *sa, const char *s, int flags);