-#define CF_NONE 0
-#define CF_CLIENT (1<<0) // cvar/command that only the client can change/execute
-#define CF_SERVER (1<<1) // cvar/command that only the server can change/execute
-#define CF_CLIENT_FROM_SERVER (1<<2) // command that the server is allowed to execute on the client
-#define CF_SERVER_FROM_CLIENT (1<<3) // command the client is allowed to execute on the server as a stringcmd
-#define CF_CHEAT (1<<4) // command or cvar that gives an unfair advantage over other players and is blocked unless sv_cheats is 1
-#define CF_ARCHIVE (1<<5) // cvar should have its set value saved to config.cfg and persist across sessions
-#define CF_READONLY (1<<6) // cvar cannot be changed from the console or the command buffer
-#define CF_NOTIFY (1<<7) // cvar should trigger a chat notification to all connected clients when changed
-#define CF_SERVERINFO (1<<8) // command or cvar relevant to serverinfo string handling
-#define CF_USERINFO (1<<9) // command or cvar used to communicate userinfo to the server
-#define CF_PERSISTENT (1<<10) // cvar must not be reset on gametype switch (such as scr_screenshot_name, which otherwise isn't set to the mod name properly)
-#define CF_PRIVATE (1<<11) // cvar should not be $ expanded or sent to the server under any circumstances (rcon_password, etc)
-#define CF_MAXFLAGSVAL 4095 // used to determine if flags is valid
+#define CF_NONE 0u
+#define CF_CLIENT (1u<<0) ///< cvar/command that only the client can change/execute
+#define CF_SERVER (1u<<1) ///< cvar/command that only the server can change/execute
+#define CF_CLIENT_FROM_SERVER (1u<<2) ///< command that the server is allowed to execute on the client
+#define CF_SERVER_FROM_CLIENT (1u<<3) ///< command the client is allowed to execute on the server as a stringcmd
+#define CF_CHEAT (1u<<4) ///< command or cvar that gives an unfair advantage over other players and is blocked unless sv_cheats is 1
+#define CF_ARCHIVE (1u<<5) ///< cvar should have its set value saved to config.cfg and persist across sessions
+#define CF_READONLY (1u<<6) ///< cvar cannot be changed from the console or the command buffer, and is considered CF_PERSISTENT
+#define CF_NOTIFY (1u<<7) ///< cvar should trigger a chat notification to all connected clients when changed
+#define CF_SERVERINFO (1u<<8) ///< command or cvar relevant to serverinfo string handling
+#define CF_USERINFO (1u<<9) ///< command or cvar used to communicate userinfo to the server
+#define CF_PERSISTENT (1u<<10) ///< cvar must not be reset on gametype switch (such as scr_screenshot_name, which otherwise isn't set to the mod name properly)
+#define CF_PRIVATE (1u<<11) ///< cvar should not be $ expanded or sent to the server under any circumstances (rcon_password, etc)
+#define CF_MAXFLAGSVAL ((1u<<12) - 1) ///< used to determine if flags is valid