Began updating server data definitions.

server/src/include/data.h

@@ -0,0 +1,31 @@
+#ifndef DATA__H
+#define DATA__H
+
+#include <time.h>
+
+#define NAME_MAX_LENGTH 16
+#define MSG_MAX_LENGTH 1024
+
+typedef int UserID;
+typedef int MsgID;
+
+typedef char Name[NAME_MAX_LENGTH];
+int name_verify(const char* name);
+
+typedef char MsgContent[MSG_MAX_LENGTH];
+int msg_verify(const char* content);
+
+typedef struct {
+    UserID id;
+    Name name;
+} UserData;
+
+typedef struct {
+    MsgID id;
+    UserData author;
+    MsgID parent;
+    MsgContent content;
+    time_t timestamp;
+} MsgData;
+
+#endif