working chat app example with some rough edges

os.h

@@ -57,9 +57,10 @@ struct Server {
 
 typedef struct ServerInitInfo ServerInitInfo;
 struct ServerInitInfo {
-    uint16 port;
-    uint32 concurrentClients;
-    uint64 memory;
+    int16 port;
+    int32 concurrentClients;
+    int64 memory;
+    int32 maxEvents;
 };
 
 typedef struct SocketConnectInfo SocketConnectInfo;
@@ -71,14 +72,46 @@ struct SocketConnectInfo {
 
 // Server/Client interface
 Server serverInit(ServerInitInfo info);
+
 void serverListen(Server *s);
+
 Socket *serverAccept(Server *s);
+
 void serverClose(Server *s);
 
+enum ServerEventType {
+    ServerEventType_AcceptClient,
+    ServerEventType_ClientMessage,
+    ServerEventType_None,
+    ServerEventType_COUNT,
+};
+
+typedef struct ServerEvent ServerEvent;
+struct ServerEvent {
+    enum ServerEventType type;
+    union {
+        struct {} tAcceptClient;
+        struct {
+            int32 clientId;
+            Socket *client;
+        } tClientMessage;
+    };
+};
+
+ServerEvent *serverGetNextEvent(Server *s);
+
 // Generic socket interface
 Socket socketConnect(Arena *arena, SocketConnectInfo info);
+
 int64 socketRead(Socket *s, byte *dest, uint64 numBytes);
+
+DefineResult(string, String);
+StringResult socketReadStr(Arena *arena, Socket *s);
+
 int64 socketWrite(Socket *s, byte *source, uint64 numBytes);
+
+int64 socketWriteStr(Socket *socket, string data);
+
 void socketClose(Socket *s);
 
 #endif