Reworked msg command to be easier to use. Added group messaging.

commands.h

@@ -9,28 +9,30 @@ typedef enum {
   Login,
   Logout,
   Hearbeat,
-  List_clients,
+  List,
+  Group,
   Mute,
   Unmute,
   Signal,
   Inbox
-} CommandType;
+} Command_t;
 
 typedef enum {
-    ACK_ACCEPTED = 0,
-    ACK_DELIVERED,
-    ERR_UNKNOWN_COMMAND,
-    ERR_NOT_LOGGED_IN,
-    ERR_ALREADY_LOGGED_IN,
-    ERR_USER_NOT_FOUND,
-    ERR_USER_MUTED,
-    ERR_INVALID_FORMAT
+  ACK_ACCEPTED = 0,
+  ACK_DELIVERED,
+  ERR_UNKNOWN_COMMAND,
+  ERR_NOT_LOGGED_IN,
+  ERR_ALREADY_LOGGED_IN,
+  ERR_USER_NOT_FOUND,
+  ERR_USER_MUTED,
+  ERR_INVALID_FORMAT
 } Signal_t;
 
 typedef struct {
-  CommandType mtype;
-  Signal_t stype; // Used with mtype = signal. Responses from the server - to specify errors or acks
-  char sender[COMMAND_LENGTH]; // Who sent the message
+  Command_t mtype;
+  Signal_t stype; // Used with mtype = signal. Responses from the server - to
+                  // specify errors or acks
+  char sender[COMMAND_LENGTH];  // Who sent the message
   char command[COMMAND_LENGTH]; // Functions as an attribute to mtype -
                                 // nicknames, id to send/mute to
   char message[MESSAGE_LENGTH]; // Actual message content