extern int key_consoleactive;
extern char *keybindings[MAX_BINDMAPS][MAX_KEYS];
-extern int chat_mode; // 0 for say, 1 for say_team, -1 for command
+extern signed char chat_mode; // 0 for say, 1 for say_team, -1 for command
extern char chat_buffer[MAX_INPUTLINE];
extern int chat_bufferpos;