fix comments of some files

6 files changed, 404 insertions, 414 deletions

diff --git a/core/DHT.c b/core/DHT.c
index d4a3e806..2726aec6 100644
--- a/core/DHT.c
+++ b/core/DHT.c
@@ -35,13 +35,13 @@ typedef struct
     uint32_t timestamp;
     uint32_t last_pinged;
 }Client_data;
-//maximum number of clients stored per friend.
+/* maximum number of clients stored per friend. */
 #define MAX_FRIEND_CLIENTS 8
 typedef struct
 {
     uint8_t client_id[CLIENT_ID_SIZE];
     Client_data client_list[MAX_FRIEND_CLIENTS];
-    uint32_t lastgetnode;//time at which the last get_nodes request was sent.
+    uint32_t lastgetnode; /* time at which the last get_nodes request was sent. */
     
 }Friend;
 
@@ -60,12 +60,12 @@ typedef struct
     
 }Pinged;
 
-//Our client id/public key
+/* Our client id/public key */
 uint8_t self_public_key[CLIENT_ID_SIZE];
 uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
 
-//TODO: Move these out of here and put them into the .c file.
-//A list of the clients mathematically closest to ours.
+/* TODO: Move these out of here and put them into the .c file.
+   A list of the clients mathematically closest to ours. */
 #define LCLIENT_LIST 32
 static Client_data close_clientlist[LCLIENT_LIST];
 
@@ -74,7 +74,7 @@ static Client_data close_clientlist[LCLIENT_LIST];
 static Friend * friends_list;
 static uint16_t num_friends;
 
-//The list of ip ports along with the ping_id of what we sent them and a timestamp
+/* The list of ip ports along with the ping_id of what we sent them and a timestamp */
 #define LPING_ARRAY 128
 
 static Pinged pings[LPING_ARRAY];
@@ -84,11 +84,11 @@ static Pinged pings[LPING_ARRAY];
 static Pinged send_nodes[LSEND_NODES_ARRAY];
 
 
-//Compares client_id1 and client_id2 with client_id
-//return 0 if both are same distance
-//return 1 if client_id1 is closer.
-//return 2 if client_id2 is closer.
-int id_closest(uint8_t * client_id, uint8_t * client_id1, uint8_t * client_id2)//tested
+/* Compares client_id1 and client_id2 with client_id
+   return 0 if both are same distance
+   return 1 if client_id1 is closer
+   return 2 if client_id2 is closer */
+int id_closest(uint8_t * client_id, uint8_t * client_id1, uint8_t * client_id2) /* tested */
 {
     uint32_t i;
     for(i = 0; i < CLIENT_ID_SIZE; ++i)
@@ -108,11 +108,11 @@ int id_closest(uint8_t * client_id, uint8_t * client_id1, uint8_t * client_id2)/
     
 }
 
-//check if client with client_id is already in list of length length.
-//if it is set it's corresponding timestamp to current time.
-//if the id is already in the list with a different ip_port, update it.
-//return True(1) or False(0)
-//TODO: maybe optimize this.
+/* check if client with client_id is already in list of length length.
+   if it is set it's corresponding timestamp to current time.
+   if the id is already in the list with a different ip_port, update it.
+   return True(1) or False(0)
+   TODO: maybe optimize this. */
 int client_in_list(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port)
 {
     uint32_t i;
@@ -122,7 +122,7 @@ int client_in_list(Client_data * list, uint32_t length, uint8_t * client_id, IP_
     {
         if(memcmp(list[i].client_id, client_id, CLIENT_ID_SIZE) == 0)
         {
-            //Refresh the client timestamp.
+            /* Refresh the client timestamp. */
             list[i].timestamp = temp_time;
             list[i].ip_port.ip.i = ip_port.ip.i;
             list[i].ip_port.port = ip_port.port;
@@ -133,8 +133,8 @@ int client_in_list(Client_data * list, uint32_t length, uint8_t * client_id, IP_
     
 }
 
-//check if client with client_id is already in node format list of length length.
-//return True(1) or False(0)
+/* check if client with client_id is already in node format list of length length.
+   return True(1) or False(0) */
 int client_in_nodelist(Node_format * list, uint32_t length, uint8_t * client_id)
 {
     uint32_t i;
@@ -152,15 +152,15 @@ int client_in_nodelist(Node_format * list, uint32_t length, uint8_t * client_id)
 
 
 
-//the number of seconds for a non responsive node to become bad.
+/* the number of seconds for a non responsive node to become bad. */
 #define BAD_NODE_TIMEOUT 130
-//The max number of nodes to send with send nodes.
+/* the max number of nodes to send with send nodes. */
 #define MAX_SENT_NODES 8
 
 
-//Find MAX_SENT_NODES nodes closest to the client_id for the send nodes request:
-//put them in the nodes_list and return how many were found.
-//TODO: Make this function much more efficient.
+/* Find MAX_SENT_NODES nodes closest to the client_id for the send nodes request:
+   put them in the nodes_list and return how many were found.
+   TODO: Make this function much more efficient. */
 int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
 {
     uint32_t i, j, k;
@@ -170,7 +170,7 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
     {
         if(close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time && 
         !client_in_nodelist(nodes_list, MAX_SENT_NODES,close_clientlist[i].client_id))
-        //if node is good and not already in list.
+        /* if node is good and not already in list. */
         {
             if(num_nodes < MAX_SENT_NODES)
             {
@@ -196,7 +196,7 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
         {
             if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time && 
             !client_in_nodelist(nodes_list, MAX_SENT_NODES,friends_list[i].client_list[j].client_id))
-            //if node is good and not already in list.
+            /* if node is good and not already in list. */
             {
                 if(num_nodes < MAX_SENT_NODES)
                 {
@@ -223,16 +223,16 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
 
 
 
-//replace first bad (or empty) node with this one
-//return 0 if successful
-//return 1 if not (list contains no bad nodes)
-int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port)//tested
+/* replace first bad (or empty) node with this one
+   return 0 if successful
+   return 1 if not (list contains no bad nodes) */
+int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port) /* tested */
 {
     uint32_t i;
     uint32_t temp_time = unix_time();
     for(i = 0; i < length; ++i)
     {
-        if(list[i].timestamp + BAD_NODE_TIMEOUT < temp_time)//if node is bad.
+        if(list[i].timestamp + BAD_NODE_TIMEOUT < temp_time) /* if node is bad. */
         {
             memcpy(list[i].client_id, client_id, CLIENT_ID_SIZE);
             list[i].ip_port = ip_port;
@@ -244,7 +244,7 @@ int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Por
     
 }
 
-//replace the first good node that is further to the comp_client_id than that of the client_id in the list
+/* replace the first good node that is further to the comp_client_id than that of the client_id in the list */
 int replace_good(Client_data * list, uint32_t length, uint8_t * client_id, IP_Port ip_port, uint8_t * comp_client_id)
 {
     uint32_t i;
@@ -264,18 +264,18 @@ int replace_good(Client_data * list, uint32_t length, uint8_t * client_id, IP_Po
     
 }
 
-//Attempt to add client with ip_port and client_id to the friends client list and close_clientlist
+/* Attempt to add client with ip_port and client_id to the friends client list and close_clientlist */
 void addto_lists(IP_Port ip_port, uint8_t * client_id)
 {
     uint32_t i;
     
-    //NOTE: current behavior if there are two clients with the same id is to replace the first ip by the second.
+    /* NOTE: current behavior if there are two clients with the same id is to replace the first ip by the second. */
     if(!client_in_list(close_clientlist, LCLIENT_LIST, client_id, ip_port))
     {
          
         if(replace_bad(close_clientlist, LCLIENT_LIST, client_id, ip_port))
         {
-            //if we can't replace bad nodes we try replacing good ones
+            /* if we can't replace bad nodes we try replacing good ones */
             replace_good(close_clientlist, LCLIENT_LIST, client_id, ip_port, self_public_key);
         }
         
@@ -287,7 +287,7 @@ void addto_lists(IP_Port ip_port, uint8_t * client_id)
             
             if(replace_bad(friends_list[i].client_list, MAX_FRIEND_CLIENTS, client_id, ip_port))
             {
-                //if we can't replace bad nodes we try replacing good ones
+                /* if we can't replace bad nodes we try replacing good ones. */
                 replace_good(friends_list[i].client_list, MAX_FRIEND_CLIENTS, client_id, ip_port, friends_list[i].client_id);
             }
         }  
@@ -295,13 +295,13 @@ void addto_lists(IP_Port ip_port, uint8_t * client_id)
 }
 
 
-//ping timeout in seconds
+/* ping timeout in seconds */
 #define PING_TIMEOUT 5
-//check if we are currently pinging an ip_port and/or a ping_id
-//Variables with values of zero will not be checked.
-//if we are already, return 1
-//else return 0
-//TODO: Maybe optimize this
+/* check if we are currently pinging an ip_port and/or a ping_id
+   variables with values of zero will not be checked.
+   if we are already, return 1
+   else return 0
+TODO: optimize this */
 int is_pinging(IP_Port ip_port, uint64_t ping_id)
 {
     uint32_t i;
@@ -341,7 +341,7 @@ int is_pinging(IP_Port ip_port, uint64_t ping_id)
 }
 
 
-//Same as last function but for get_node requests.
+/* Same as last function but for get_node requests. */
 int is_gettingnodes(IP_Port ip_port, uint64_t ping_id)
 {
     uint32_t i;
@@ -381,10 +381,10 @@ int is_gettingnodes(IP_Port ip_port, uint64_t ping_id)
 }
 
 
-//Add a new ping request to the list of ping requests
-//returns the ping_id to put in the ping request
-//returns 0 if problem.
-//TODO: Maybe optimize this
+/* Add a new ping request to the list of ping requests
+   returns the ping_id to put in the ping request
+   returns 0 if problem.
+   TODO: optimize this */
 uint64_t add_pinging(IP_Port ip_port)
 {
     uint32_t i, j;
@@ -408,7 +408,7 @@ uint64_t add_pinging(IP_Port ip_port)
     
 }
 
-//Same but for get node requests
+/* Same but for get node requests */
 uint64_t add_gettingnodes(IP_Port ip_port)
 {
     uint32_t i, j;
@@ -434,11 +434,11 @@ uint64_t add_gettingnodes(IP_Port ip_port)
 
 
 
-//send a ping request
-//Ping request only works if none has been sent to that ip/port in the last 5 seconds.
+/* send a ping request
+   Ping request only works if none has been sent to that ip/port in the last 5 seconds. */
 static int pingreq(IP_Port ip_port, uint8_t * public_key)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is gonna be sent to ourself
+    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
     {
         return 1;
     }
@@ -474,10 +474,10 @@ static int pingreq(IP_Port ip_port, uint8_t * public_key)
 }
 
 
-//send a ping response
+/* send a ping response */
 static int pingres(IP_Port ip_port, uint8_t * public_key, uint64_t ping_id)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is gonna be sent to ourself
+    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
     {
         return 1;
     }
@@ -501,10 +501,10 @@ static int pingres(IP_Port ip_port, uint8_t * public_key, uint64_t ping_id)
     
 }
 
-//send a getnodes request
+/* send a getnodes request */
 static int getnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is gonna be sent to ourself
+    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
     {
         return 1;
     }
@@ -545,10 +545,10 @@ static int getnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id)
 }
 
 
-//send a send nodes response
+/* send a send nodes response */
 static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id, uint64_t ping_id)
 {
-    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is gonna be sent to ourself
+    if(memcmp(public_key, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is gonna be sent to ourself */
     {
         return 1;
     }
@@ -591,10 +591,9 @@ static int sendnodes(IP_Port ip_port, uint8_t * public_key, uint8_t * client_id,
 
 
 
-
-//Packet handling functions
-//One to handle each types of packets we receive
-//return 0 if handled correctly, 1 if packet is bad.
+/* Packet handling functions
+   One to handle each types of packets we receive
+   return 0 if handled correctly, 1 if packet is bad. */
 int handle_pingreq(uint8_t * packet, uint32_t length, IP_Port source)
 {
     uint64_t ping_id;
@@ -602,7 +601,7 @@ int handle_pingreq(uint8_t * packet, uint32_t length, IP_Port source)
     {
         return 1;
     }
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is from ourself.
+    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is from ourself. */
     {
         return 1;
     }
@@ -620,7 +619,7 @@ int handle_pingreq(uint8_t * packet, uint32_t length, IP_Port source)
     
     pingres(source, packet + 1, ping_id);
     
-    pingreq(source, packet + 1);//TODO: make this smarter?
+    pingreq(source, packet + 1); /* TODO: make this smarter? */
  
     return 0;
     
@@ -633,7 +632,7 @@ int handle_pingres(uint8_t * packet, uint32_t length, IP_Port source)
     {
         return 1;
     }
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is from ourself.
+    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is from ourself. */
     {
         return 1;
     }
@@ -664,7 +663,7 @@ int handle_getnodes(uint8_t * packet, uint32_t length, IP_Port source)
     {
         return 1;
     }
-    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0)//check if packet is from ourself.
+    if(memcmp(packet + 1, self_public_key, CLIENT_ID_SIZE) == 0) /* check if packet is from ourself. */
     {
         return 1;
     }
@@ -684,7 +683,7 @@ int handle_getnodes(uint8_t * packet, uint32_t length, IP_Port source)
     memcpy(&ping_id, plain, sizeof(ping_id));
     sendnodes(source, packet + 1, plain + sizeof(ping_id), ping_id);
     
-    pingreq(source, packet + 1);//TODO: make this smarter?
+    pingreq(source, packet + 1); /* TODO: make this smarter? */
     
     return 0;
     
@@ -737,9 +736,7 @@ int handle_sendnodes(uint8_t * packet, uint32_t length, IP_Port source)
     
 }
 
-//END of packet handling functions
-
-
+/* END of packet handling functions */
 
 int DHT_addfriend(uint8_t * client_id)
 {
@@ -766,15 +763,13 @@ int DHT_addfriend(uint8_t * client_id)
 
 
 
-
-
 int DHT_delfriend(uint8_t * client_id)
 {
     uint32_t i;
     Friend * temp;
     for(i = 0; i < num_friends; ++i)
     {
-        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0)//Equal
+        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) /* Equal */
         {
             --num_friends;
             if(num_friends != i)
@@ -795,7 +790,7 @@ int DHT_delfriend(uint8_t * client_id)
 
 
 
-//TODO: Optimize this.
+/* TODO: Optimize this. */
 IP_Port DHT_getfriendip(uint8_t * client_id)
 {
     uint32_t i, j;
@@ -803,7 +798,7 @@ IP_Port DHT_getfriendip(uint8_t * client_id)
     uint32_t temp_time = unix_time();
     for(i = 0; i < num_friends; ++i)
     {
-        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0)//Equal
+        if(memcmp(friends_list[i].client_id, client_id, CLIENT_ID_SIZE) == 0) /* Equal */
         {
             for(j = 0; j < MAX_FRIEND_CLIENTS; ++j)
             {
@@ -821,9 +816,7 @@ IP_Port DHT_getfriendip(uint8_t * client_id)
     empty.ip.i = 1;
     return empty;
     
-}
-    
-    
+}    
 
 
 
@@ -846,22 +839,22 @@ int DHT_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
         return 1;
         
     }
-    
+
     return 0;
 
 }
 
-//The timeout after which a node is discarded completely.
+/* The timeout after which a node is discarded completely. */
 #define Kill_NODE_TIMEOUT 300
 
-//ping interval in seconds for each node in our lists.
+/* ping interval in seconds for each node in our lists. */
 #define PING_INTERVAL 60
 
-//ping interval in seconds for each random sending of a get nodes request.
+/* ping interval in seconds for each random sending of a get nodes request. */
 #define GET_NODE_INTERVAL 10
 
-//Ping each client in the "friends" list every 60 seconds.
-//Send a get nodes request every 20 seconds to a random good node for each "friend" in our "friends" list.
+/* Ping each client in the "friends" list every 60 seconds.
+   Send a get nodes request every 20 seconds to a random good node for each "friend" in our "friends" list. */
 
 
 void doDHTFriends()
@@ -876,14 +869,14 @@ void doDHTFriends()
     {
         for(j = 0; j < MAX_FRIEND_CLIENTS; ++j)
         {
-            if(friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time)//if node is not dead.
+            if(friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time) /* if node is not dead. */
             {
                 if((friends_list[i].client_list[j].last_pinged + PING_INTERVAL) <= temp_time)
                 {
                     pingreq(friends_list[i].client_list[j].ip_port, friends_list[i].client_list[j].client_id);
                     friends_list[i].client_list[j].last_pinged = temp_time;
                 }
-                if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time)//if node is good.
+                if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time) /* if node is good. */
                 {
                     index[num_nodes] = j;
                     ++num_nodes;
@@ -903,9 +896,9 @@ void doDHTFriends()
 
 static uint32_t close_lastgetnodes;
 
-//Ping each client in the close nodes list every 60 seconds.
-//Send a get nodes request every 20 seconds to a random good node in the list.
-void doClose()//tested
+/* Ping each client in the close nodes list every 60 seconds.
+   Send a get nodes request every 20 seconds to a random good node in the list. */
+void doClose() /* tested */
 {
     uint32_t i;
     uint32_t temp_time = unix_time();
@@ -915,14 +908,14 @@ void doClose()//tested
     
     for(i = 0; i < LCLIENT_LIST; ++i)
     {
-        if(close_clientlist[i].timestamp + Kill_NODE_TIMEOUT > temp_time)//if node is not dead.
+        if(close_clientlist[i].timestamp + Kill_NODE_TIMEOUT > temp_time) /* if node is not dead. */
         {
             if((close_clientlist[i].last_pinged + PING_INTERVAL) <= temp_time)
             {
                 pingreq(close_clientlist[i].ip_port, close_clientlist[i].client_id);
                 close_clientlist[i].last_pinged = temp_time;
             }
-            if(close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time)//if node is good.
+            if(close_clientlist[i].timestamp + BAD_NODE_TIMEOUT > temp_time) /* if node is good. */
             {
                 index[num_nodes] = i;
                 ++num_nodes;
@@ -951,31 +944,28 @@ void doDHT()
 
 
 
-
 void DHT_bootstrap(IP_Port ip_port, uint8_t * public_key)
 {
-
-    getnodes(ip_port, public_key, self_public_key);
-    
+    getnodes(ip_port, public_key, self_public_key);   
 }
 
 
-//get the size of the DHT (for saving)
+/* get the size of the DHT (for saving) */
 uint32_t DHT_size()
 {
     return sizeof(close_clientlist) + sizeof(Friend) * num_friends;
 }
 
-//save the DHT in data where data is an array of size DHT_size()
+/* save the DHT in data where data is an array of size DHT_size() */
 void DHT_save(uint8_t * data)
 {
     memcpy(data, close_clientlist, sizeof(close_clientlist));
     memcpy(data + sizeof(close_clientlist), friends_list, sizeof(Friend) * num_friends);
 }
 
-//load the DHT from data of size size;
-//return -1 if failure
-//return 0 if success
+/* load the DHT from data of size size;
+   return -1 if failure
+   return 0 if success */
 int DHT_load(uint8_t * data, uint32_t size)
 {
     if(size < sizeof(close_clientlist))
@@ -987,7 +977,7 @@ int DHT_load(uint8_t * data, uint32_t size)
         return -1;
     }
     uint32_t i, j;
-    //uint32_t temp_time = unix_time();
+    /* uint32_t temp_time = unix_time(); */
     uint16_t temp;
     
     temp = (size - sizeof(close_clientlist))/sizeof(Friend);
@@ -1021,8 +1011,8 @@ int DHT_load(uint8_t * data, uint32_t size)
     return 0;
 }
 
-//returns 0 if we are not connected to the DHT
-//returns 1 if we are
+/* returns 0 if we are not connected to the DHT
+   returns 1 if we are */
 int DHT_isconnected()
 {
     uint32_t i;
diff --git a/core/DHT.h b/core/DHT.h
index edc4d344..68d181e8 100644
--- a/core/DHT.h
+++ b/core/DHT.h
@@ -28,66 +28,66 @@
 
 #include "net_crypto.h"
 
-//Current time, unix format
+/* Current time, unix format */
 #define unix_time() ((uint32_t)time(NULL))
 
-//size of the client_id in bytes
+/* size of the client_id in bytes */
 #define CLIENT_ID_SIZE crypto_box_PUBLICKEYBYTES
 
 
 
-//Add a new friend to the friends list
-//client_id must be CLIENT_ID_SIZE bytes long.
-//returns 0 if success
-//returns 1 if failure (friends list is full)
+/* Add a new friend to the friends list
+   client_id must be CLIENT_ID_SIZE bytes long.
+   returns 0 if success
+   returns 1 if failure (friends list is full) */
 int DHT_addfriend(uint8_t * client_id);
 
-//Delete a friend from the friends list
-//client_id must be CLIENT_ID_SIZE bytes long.
-//returns 0 if success
-//returns 1 if failure (client_id not in friends list)
+/* Delete a friend from the friends list
+   client_id must be CLIENT_ID_SIZE bytes long.
+   returns 0 if success
+   returns 1 if failure (client_id not in friends list) */
 int DHT_delfriend(uint8_t * client_id);
 
 
-//Get ip of friend
-//client_id must be CLIENT_ID_SIZE bytes long.
-//ip must be 4 bytes long.
-//port must be 2 bytes long.
-//returns ip if success
-//returns ip of 0 if failure (This means the friend is either offline or we have not found him yet.)
-//returns ip of 1 if friend is not in list.
+/* Get ip of friend
+   client_id must be CLIENT_ID_SIZE bytes long.
+   ip must be 4 bytes long.
+   port must be 2 bytes long.
+   returns ip if success
+   returns ip of 0 if failure (This means the friend is either offline or we have not found him yet.)
+   returns ip of 1 if friend is not in list. */
 IP_Port DHT_getfriendip(uint8_t * client_id);
 
 
-//Run this function at least a couple times per second (It's the main loop)
+/* Run this function at least a couple times per second (It's the main loop) */
 void doDHT();
 
-//if we receive a DHT packet we call this function so it can be handled.
-//Return 0 if packet is handled correctly.
-//return 1 if it didn't handle the packet or if the packet was shit.
+/* if we receive a DHT packet we call this function so it can be handled.
+   return 0 if packet is handled correctly.
+   return 1 if it didn't handle the packet or if the packet was shit. */
 int DHT_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
 
-//Use this function to bootstrap the client
-//Sends a get nodes request to the given node with ip port and public_key
+/* Use this function to bootstrap the client
+   Sends a get nodes request to the given node with ip port and public_key */
 void DHT_bootstrap(IP_Port ip_port, uint8_t * public_key);
 
 
-//SAVE/LOAD functions
+/* SAVE/LOAD functions */
 
-//get the size of the DHT (for saving)
+/* get the size of the DHT (for saving) */
 uint32_t DHT_size();
 
 
-//save the DHT in data where data is an array of size DHT_size()
+/* save the DHT in data where data is an array of size DHT_size() */
 void DHT_save(uint8_t * data);
 
-//load the DHT from data of size size;
-//return -1 if failure
-//return 0 if success
+/* load the DHT from data of size size;
+   return -1 if failure
+   return 0 if success */
 int DHT_load(uint8_t * data, uint32_t size);
 
-//returns 0 if we are not connected to the DHT
-//returns 1 if we are
+/* returns 0 if we are not connected to the DHT
+   returns 1 if we are */
 int DHT_isconnected();
 
-#endif 
+#endif
diff --git a/core/Lossless_UDP.c b/core/Lossless_UDP.c
index 427d764f..710bcc4c 100644
--- a/core/Lossless_UDP.c
+++ b/core/Lossless_UDP.c
@@ -21,29 +21,29 @@
     along with Tox.  If not, see <http://www.gnu.org/licenses/>.
     
 */
-//TODO: clean this file a bit.
-//There are a couple of useless variables to get rid of.
+/* TODO: clean this file a bit.
+   There are a couple of useless variables to get rid of. */
 #include "Lossless_UDP.h"
 
 
 
-//maximum data packets in sent and receive queues.
+/* maximum data packets in sent and receive queues. */
 #define MAX_QUEUE_NUM 16
 
-//maximum length of the data in the data packets
-//#define MAX_DATA_SIZE 1024 //defined in Lossless_UDP.h
+/* maximum length of the data in the data packets */
+/* #define MAX_DATA_SIZE 1024 */ /* defined in Lossless_UDP.h */
 
-//maximum number of data packets in the buffer
+/* maximum number of data packets in the buffer */
 #define BUFFER_PACKET_NUM (16-1)
 
-//Lossless UDP connection timeout.
-//timeout per connection is randomly set between CONNEXION_TIMEOUT and 2*CONNEXION_TIMEOUT
+/* Lossless UDP connection timeout.
+timeout per connection is randomly set between CONNEXION_TIMEOUT and 2*CONNEXION_TIMEOUT */
 #define CONNEXION_TIMEOUT 5
 
-//initial amount of sync/hanshake packets to send per second.
+/* initial amount of sync/hanshake packets to send per second. */
 #define SYNC_RATE 2
 
-//initial send rate of data.
+/* initial send rate of data. */
 #define DATA_SYNC_RATE 30
 
 typedef struct
@@ -55,37 +55,37 @@ typedef struct
 typedef struct
 {
     IP_Port ip_port;
-    uint8_t status;//0 if connection is dead, 1 if attempting handshake, 
-                //2 if handshake is done (we start sending SYNC packets)
-                //3 if we are sending SYNC packets and can send data
-                //4 if the connection has timed out.
+    uint8_t status; /* 0 if connection is dead, 1 if attempting handshake, 
+                       2 if handshake is done (we start sending SYNC packets)
+                       3 if we are sending SYNC packets and can send data
+                       4 if the connection has timed out. */
     
-    uint8_t inbound; //1 or 2 if connection was initiated by someone else, 0 if not. 
-                  //2 if incoming_connection() has not returned it yet, 1 if it has.
+    uint8_t inbound; /* 1 or 2 if connection was initiated by someone else, 0 if not. 
+                        2 if incoming_connection() has not returned it yet, 1 if it has. */
                   
-    uint16_t SYNC_rate;//current SYNC packet send rate packets per second.
-    uint16_t data_rate;//current data packet send rate packets per second.
-    uint64_t last_SYNC; //time at which our last SYNC packet was sent.
-    uint64_t last_sent; //time at which our last data or handshake packet was sent.
-    uint64_t last_recvSYNC; //time at which we last received a SYNC packet from the other
-    uint64_t last_recvdata; //time at which we last received a DATA packet from the other
-    uint64_t killat; //time at which to kill the connection
-    Data sendbuffer[MAX_QUEUE_NUM];//packet send buffer.
-    Data recvbuffer[MAX_QUEUE_NUM];//packet receive buffer.
+    uint16_t SYNC_rate; /* current SYNC packet send rate packets per second. */
+    uint16_t data_rate; /* current data packet send rate packets per second. */
+    uint64_t last_SYNC; /* time at which our last SYNC packet was sent. */
+    uint64_t last_sent; /* time at which our last data or handshake packet was sent. */
+    uint64_t last_recvSYNC; /* time at which we last received a SYNC packet from the other */
+    uint64_t last_recvdata; /* time at which we last received a DATA packet from the other */
+    uint64_t killat; /* time at which to kill the connection */
+    Data sendbuffer[MAX_QUEUE_NUM]; /* packet send buffer. */
+    Data recvbuffer[MAX_QUEUE_NUM]; /* packet receive buffer. */
     uint32_t handshake_id1;
     uint32_t handshake_id2;
-    uint32_t recv_packetnum; //number of data packets received (also used as handshake_id1)
-    uint32_t orecv_packetnum; //number of packets received by the other peer
-    uint32_t sent_packetnum; //number of data packets sent
-    uint32_t osent_packetnum; //number of packets sent by the other peer.
-    uint32_t sendbuff_packetnum; //number of latest packet written onto the sendbuffer
-    uint32_t successful_sent;//we know all packets before that number were successfully sent
-    uint32_t successful_read;//packet number of last packet read with the read_packet function
-    uint32_t req_packets[BUFFER_PACKET_NUM]; //list of currently requested packet numbers(by the other person)
-    uint16_t num_req_paquets; //total number of currently requested packets(by the other person)
+    uint32_t recv_packetnum; /* number of data packets received (also used as handshake_id1) */
+    uint32_t orecv_packetnum; /* number of packets received by the other peer */
+    uint32_t sent_packetnum; /* number of data packets sent */
+    uint32_t osent_packetnum; /* number of packets sent by the other peer. */
+    uint32_t sendbuff_packetnum; /* number of latest packet written onto the sendbuffer */
+    uint32_t successful_sent; /* we know all packets before that number were successfully sent */
+    uint32_t successful_read; /* packet number of last packet read with the read_packet function */
+    uint32_t req_packets[BUFFER_PACKET_NUM]; /* list of currently requested packet numbers(by the other person) */
+    uint16_t num_req_paquets;  /* total number of currently requested packets(by the other person) */
     uint8_t recv_counter;
     uint8_t send_counter;
-    uint8_t timeout; //connection timeout in seconds.
+    uint8_t timeout; /* connection timeout in seconds. */
 }Connection;
 
 
@@ -93,13 +93,13 @@ typedef struct
 
 static Connection connections[MAX_CONNECTIONS];
 
-//static uint32_t numconnections;
+/* static uint32_t numconnections; */
 
-//Functions
+/* Functions */
 
-//get connection id from IP_Port
-//return -1 if there are no connections like we are looking for
-//return id if it found it
+/* get connection id from IP_Port
+   return -1 if there are no connections like we are looking for
+   return id if it found it */
 int getconnection_id(IP_Port ip_port)
 {
     uint32_t i;
@@ -114,13 +114,13 @@ int getconnection_id(IP_Port ip_port)
     return -1;
 }
 
-//table of random numbers used below.
+/* table of random numbers used below. */
 static uint32_t randtable[6][256];
 
 
-//generate a handshake_id which depends on the ip_port.
-//this function will always give one unique handshake_id per ip_port.
-//TODO: make this better
+/* generate a handshake_id which depends on the ip_port.
+   this function will always give one unique handshake_id per ip_port.
+   TODO: make this better */
 uint32_t handshake_id(IP_Port source)
 {
     uint32_t id = 0, i;
@@ -132,14 +132,14 @@ uint32_t handshake_id(IP_Port source)
         }
         id ^= randtable[i][((uint8_t *)&source)[i]];
     }
-    if(id == 0)//id can't be zero
+    if(id == 0) /* id can't be zero */
     {
         id = 1;
     }
     return id;
 }
-//change the hnshake id associated with that ip_port
-//TODO: make this better
+/* change the hnshake id associated with that ip_port
+   TODO: make this better */
 void change_handshake(IP_Port source)
 {
     uint8_t rand = random_int() % 4;
@@ -147,10 +147,10 @@ void change_handshake(IP_Port source)
 }
 
 
-//initialize a new connection to ip_port
-//returns an integer corresponding to the connection id.
-//return -1 if it could not initialize the connection.
-//if there already was an existing connection to that ip_port return its number.
+/* initialize a new connection to ip_port
+   returns an integer corresponding to the connection id.
+   return -1 if it could not initialize the connection.
+   if there already was an existing connection to that ip_port return its number. */
 int new_connection(IP_Port ip_port)
 {
     int connect = getconnection_id(ip_port);
@@ -177,7 +177,7 @@ int new_connection(IP_Port ip_port)
             connections[i].last_sent = current_time();
             connections[i].killat = ~0;
             connections[i].send_counter = 0;
-            //add randomness to timeout to prevent connections getting stuck in a loop.
+            /* add randomness to timeout to prevent connections getting stuck in a loop. */
             connections[i].timeout = CONNEXION_TIMEOUT + rand() % CONNEXION_TIMEOUT;
             return i;
         }
@@ -185,9 +185,9 @@ int new_connection(IP_Port ip_port)
     return -1;
 }
 
-//initialize a new inbound connection from ip_port
-//returns an integer corresponding to the connection id.
-//return -1 if it could not initialize the connection.
+/* initialize a new inbound connection from ip_port
+   returns an integer corresponding to the connection id.
+   return -1 if it could not initialize the connection. */
 int new_inconnection(IP_Port ip_port)
 {
     if(getconnection_id(ip_port) != -1)
@@ -207,9 +207,9 @@ int new_inconnection(IP_Port ip_port)
             connections[i].data_rate = DATA_SYNC_RATE;
             connections[i].last_recvSYNC = current_time();
             connections[i].last_sent = current_time();
-            //add randomness to timeout to prevent connections getting stuck in a loop.
+            /* add randomness to timeout to prevent connections getting stuck in a loop. */
             connections[i].timeout = CONNEXION_TIMEOUT + rand() % CONNEXION_TIMEOUT;
-            //if this connection isn't handled within the timeout kill it.
+            /* if this connection isn't handled within the timeout kill it. */
             connections[i].killat = current_time() + 1000000UL*connections[i].timeout;
             connections[i].send_counter = 127;
             return i;
@@ -218,8 +218,8 @@ int new_inconnection(IP_Port ip_port)
     return -1;
 }
 
-//returns an integer corresponding to the next connection in our incoming connection list
-//return -1 if there are no new incoming connections in the list.
+/* returns an integer corresponding to the next connection in our incoming connection list
+   return -1 if there are no new incoming connections in the list. */
 int incoming_connection()
 {
     uint32_t i;
@@ -234,8 +234,8 @@ int incoming_connection()
     return -1;
 }
 
-//return -1 if it could not kill the connection.
-//return 0 if killed successfully
+/* return -1 if it could not kill the connection.
+   return 0 if killed successfully */
 int kill_connection(int connection_id)
 {
     if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
@@ -250,9 +250,9 @@ int kill_connection(int connection_id)
     return -1;
 }
 
-//kill connection in seconds seconds.
-//return -1 if it can not kill the connection.
-//return 0 if it will kill it
+/* kill connection in seconds seconds.
+   return -1 if it can not kill the connection.
+   return 0 if it will kill it */
 int kill_connection_in(int connection_id, uint32_t seconds)
 {
     if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
@@ -266,12 +266,12 @@ int kill_connection_in(int connection_id, uint32_t seconds)
     return -1;
 }
 
-//check if connection is connected
-//return 0 no.
-//return 1 if attempting handshake
-//return 2 if handshake is done
-//return 3 if fully connected
-//return 4 if timed out and waiting to be killed
+/* check if connection is connected
+   return 0 no.
+   return 1 if attempting handshake
+   return 2 if handshake is done
+   return 3 if fully connected
+   return 4 if timed out and waiting to be killed */
 int is_connected(int connection_id)
 {
     if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
@@ -281,7 +281,7 @@ int is_connected(int connection_id)
     return 0;
 }
 
-//returns the ip_port of the corresponding connection.
+/* returns the ip_port of the corresponding connection. */
 IP_Port connection_ip(int connection_id)
 {
     if(connection_id >= 0 && connection_id < MAX_CONNECTIONS)
@@ -292,20 +292,20 @@ IP_Port connection_ip(int connection_id)
     return zero;
 }
 
-//returns the number of packets in the queue waiting to be successfully sent.
+/* returns the number of packets in the queue waiting to be successfully sent. */
 uint32_t sendqueue(int connection_id)
 {
     return connections[connection_id].sendbuff_packetnum - connections[connection_id].successful_sent;
 }
 
-//returns the number of packets in the queue waiting to be successfully read with read_packet(...)
+/* returns the number of packets in the queue waiting to be successfully read with read_packet(...) */
 uint32_t recvqueue(int connection_id)
 {
     return connections[connection_id].recv_packetnum - connections[connection_id].successful_read;
 }
 
-//returns the id of the next packet in the queue
-//return -1 if no packet in queue
+/* returns the id of the next packet in the queue
+   return -1 if no packet in queue */
 char id_packet(int connection_id)
 {
     if(recvqueue(connection_id) != 0 && connections[connection_id].status != 0)
@@ -314,8 +314,8 @@ char id_packet(int connection_id)
     }
     return -1;
 }
-//return 0 if there is no received data in the buffer.
-//return length of received packet if successful
+/* return 0 if there is no received data in the buffer.
+   return length of received packet if successful */
 int read_packet(int connection_id, uint8_t * data)
 {
     if(recvqueue(connection_id) != 0)
@@ -330,8 +330,8 @@ int read_packet(int connection_id, uint8_t * data)
     return 0;
 }
 
-//return 0 if data could not be put in packet queue
-//return 1 if data was put into the queue
+/* return 0 if data could not be put in packet queue
+   return 1 if data was put into the queue */
 int write_packet(int connection_id, uint8_t * data, uint32_t length)
 {
     if(length > MAX_DATA_SIZE)
@@ -356,13 +356,13 @@ int write_packet(int connection_id, uint8_t * data, uint32_t length)
 
 
 
-//put the packet numbers the we are missing in requested and return the number
+/* put the packet numbers the we are missing in requested and return the number */
 uint32_t missing_packets(int connection_id, uint32_t * requested)
 {
     uint32_t number = 0;
     uint32_t i;
     uint32_t temp;
-    if(recvqueue(connection_id) >= (BUFFER_PACKET_NUM - 1))//don't request packets if the buffer is full.
+    if(recvqueue(connection_id) >= (BUFFER_PACKET_NUM - 1)) /* don't request packets if the buffer is full. */
     {
         return 0;
     }
@@ -383,9 +383,9 @@ uint32_t missing_packets(int connection_id, uint32_t * requested)
     
 }
 
-//Packet sending functions
-//One per packet type.
-//see docs/Lossless_UDP.txt for more information.
+/* Packet sending functions
+  One per packet type.
+  see docs/Lossless_UDP.txt for more information. */
 
 
 int send_handshake(IP_Port ip_port, uint32_t handshake_id1, uint32_t handshake_id2)
@@ -444,7 +444,7 @@ int send_data_packet(uint32_t connection_id, uint32_t packet_num)
                1 + 4 + connections[connection_id].sendbuffer[index].size);
 }
 
-//sends 1 data packet
+/* sends 1 data packet */
 int send_DATA(uint32_t connection_id)
 {
     int ret;
@@ -466,13 +466,13 @@ int send_DATA(uint32_t connection_id)
     return 0;
 }
 
-//END of packet sending functions
+/* END of packet sending functions */
 
 
 
-//Packet handling functions
-//One to handle each type of packets we receive
-//return 0 if handled correctly, 1 if packet is bad.
+/* Packet handling functions
+   One to handle each type of packets we receive
+   return 0 if handled correctly, 1 if packet is bad. */
 int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
 {    
     if(length != (1 + 4 + 4))
@@ -496,11 +496,11 @@ int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
     {
         return 1;
     }
-    if(handshake_id2 == connections[connection].handshake_id1)//if handshake_id2 is what we sent previously as handshake_id1
+    if(handshake_id2 == connections[connection].handshake_id1) /* if handshake_id2 is what we sent previously as handshake_id1 */
     {
         connections[connection].status = 2;
-        //NOTE:is this necessary?
-        //connections[connection].handshake_id2 = handshake_id1;
+        /* NOTE: is this necessary?
+        connections[connection].handshake_id2 = handshake_id1; */
         connections[connection].orecv_packetnum = handshake_id2;
         connections[connection].osent_packetnum = handshake_id1;
         connections[connection].recv_packetnum = handshake_id1;
@@ -510,8 +510,8 @@ int handle_handshake(uint8_t * packet, uint32_t length, IP_Port source)
 
 }
 
-//returns 1 if sync packet is valid
-//0 if not.
+/* returns 1 if sync packet is valid
+   0 if not. */
 int SYNC_valid(uint32_t length)
 {
     if(length < 4 + 4 + 2)
@@ -526,7 +526,7 @@ int SYNC_valid(uint32_t length)
     return 1;
 }
 
-//case 1: 
+/* case 1: */
 int handle_SYNC1(IP_Port source, uint32_t recv_packetnum, uint32_t sent_packetnum)
 {
     if(handshake_id(source) == recv_packetnum)
@@ -548,11 +548,11 @@ int handle_SYNC1(IP_Port source, uint32_t recv_packetnum, uint32_t sent_packetnu
     return -1;
 }
 
-//case 2:
+/* case 2: */
 int handle_SYNC2(int connection_id, uint8_t counter, uint32_t recv_packetnum, uint32_t sent_packetnum)
 {
     if(recv_packetnum == connections[connection_id].orecv_packetnum)
-       //&& sent_packetnum == connections[connection_id].osent_packetnum)
+       /* && sent_packetnum == connections[connection_id].osent_packetnum) */
     {
         connections[connection_id].status =  3;
         connections[connection_id].recv_counter = counter;
@@ -562,17 +562,17 @@ int handle_SYNC2(int connection_id, uint8_t counter, uint32_t recv_packetnum, ui
     }
     return 1;
 }
-//case 3:
+/* case 3: */
 int handle_SYNC3(int connection_id, uint8_t counter, uint32_t recv_packetnum, uint32_t sent_packetnum, uint32_t * req_packets,
                  uint16_t number)
 {
     uint8_t comp_counter = (counter - connections[connection_id].recv_counter );
     uint32_t i, temp;
-    //uint32_t comp_1 = (recv_packetnum - connections[connection_id].successful_sent);
-    //uint32_t comp_2 = (sent_packetnum - connections[connection_id].successful_read);
+    /* uint32_t comp_1 = (recv_packetnum - connections[connection_id].successful_sent);
+       uint32_t comp_2 = (sent_packetnum - connections[connection_id].successful_read); */
     uint32_t comp_1 = (recv_packetnum - connections[connection_id].orecv_packetnum);
     uint32_t comp_2 = (sent_packetnum - connections[connection_id].osent_packetnum);
-    if(comp_1 <= BUFFER_PACKET_NUM && comp_2 <= BUFFER_PACKET_NUM && comp_counter < 10 && comp_counter != 0) //packet valid
+    if(comp_1 <= BUFFER_PACKET_NUM && comp_2 <= BUFFER_PACKET_NUM && comp_counter < 10 && comp_counter != 0) /* packet valid */
     {
         connections[connection_id].orecv_packetnum = recv_packetnum;
         connections[connection_id].osent_packetnum = sent_packetnum;
@@ -629,8 +629,8 @@ int handle_SYNC(uint8_t * packet, uint32_t length, IP_Port source)
     return 0;
 }
 
-//add a packet to the received buffer and set the recv_packetnum of the connection to its proper value.
-//return 1 if data was too big, 0 if not.
+/* add a packet to the received buffer and set the recv_packetnum of the connection to its proper value.
+   return 1 if data was too big, 0 if not. */
 int add_recv(int connection_id, uint32_t data_num, uint8_t * data, uint16_t size)
 {
     if(size > MAX_DATA_SIZE)
@@ -679,7 +679,7 @@ int handle_data(uint8_t * packet, uint32_t length, IP_Port source)
         return 1;
     }
     
-    if(connections[connection].status != 3)//Drop the data packet if connection is not connected.
+    if(connections[connection].status != 3) /* Drop the data packet if connection is not connected. */
     {
         return 1;
     }
@@ -698,7 +698,7 @@ int handle_data(uint8_t * packet, uint32_t length, IP_Port source)
     
 }
 
-//END of packet handling functions
+/* END of packet handling functions */
 
 
 int LosslessUDP_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
@@ -723,8 +723,8 @@ int LosslessUDP_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
         
 }
 
-//Send handshake requests
-//handshake packets are sent at the same rate as SYNC packets
+/* Send handshake requests
+   handshake packets are sent at the same rate as SYNC packets */
 void doNew()
 {
     uint32_t i;
@@ -740,11 +740,11 @@ void doNew()
             }
 
         }
-        //kill all timed out connections
+        /* kill all timed out connections */
         if( connections[i].status > 0 && (connections[i].last_recvSYNC + connections[i].timeout * 1000000UL) < temp_time && 
             connections[i].status != 4)
         {
-            //kill_connection(i);
+            /* kill_connection(i); */
             connections[i].status = 4;
         }
         if(connections[i].status > 0 && connections[i].killat < temp_time)
@@ -792,8 +792,8 @@ void doData()
     }    
 }
 
-//TODO: flow control.
-//automatically adjusts send rates of packets for optimal transmission.
+/* TODO: flow control.
+   automatically adjusts send rates of packets for optimal transmission. */
 
 #define MAX_SYNC_RATE 10
 
@@ -824,8 +824,8 @@ void adjustRates()
         }
     }    
 }
-//Call this function a couple times per second
-//It's the main loop.
+/* Call this function a couple times per second
+   It's the main loop. */
 void doLossless_UDP()
 {
     doNew();
diff --git a/core/Lossless_UDP.h b/core/Lossless_UDP.h
index ad8c545c..8a71bd68 100644
--- a/core/Lossless_UDP.h
+++ b/core/Lossless_UDP.h
@@ -28,82 +28,82 @@
 #include "network.h"
 
 
-//maximum length of the data in the data packets
+/* maximum length of the data in the data packets */
 #define MAX_DATA_SIZE 1024
 
 
 
-//Functions
+/* Functions */
 
-//initialize a new connection to ip_port
-//returns an integer corresponding to the connection id.
-//return -1 if it could not initialize the connection.
-//if there already was an existing connection to that ip_port return its number.
+/* initialize a new connection to ip_port
+   returns an integer corresponding to the connection id.
+   return -1 if it could not initialize the connection.
+   if there already was an existing connection to that ip_port return its number. */
 int new_connection(IP_Port ip_port);
 
-//get connection id from IP_Port
-//return -1 if there are no connections like we are looking for
-//return id if it found it
+/* get connection id from IP_Port
+   return -1 if there are no connections like we are looking for
+   return id if it found it */
 int getconnection_id(IP_Port ip_port);
 
-//returns an integer corresponding to the next connection in our imcoming connection list
-//return -1 if there are no new incoming connections in the list.
+/* returns an integer corresponding to the next connection in our imcoming connection list
+   return -1 if there are no new incoming connections in the list. */
 int incoming_connection();
 
 
-//return -1 if it could not kill the connection.
-//return 0 if killed successfully
+/* return -1 if it could not kill the connection.
+   return 0 if killed successfully */
 int kill_connection(int connection_id);
 
-//kill connection in seconds seconds.
-//return -1 if it can not kill the connection.
-//return 0 if it will kill it
+/* kill connection in seconds seconds.
+   return -1 if it can not kill the connection.
+   return 0 if it will kill it */
 int kill_connection_in(int connection_id, uint32_t seconds);
 
-//returns the ip_port of the corresponding connection.
-//return 0 if there is no such connection.
+/* returns the ip_port of the corresponding connection.
+   return 0 if there is no such connection. */
 IP_Port connection_ip(int connection_id);
 
-//returns the id of the next packet in the queue
-//return -1 if no packet in queue
+/* returns the id of the next packet in the queue
+   return -1 if no packet in queue */
 char id_packet(int connection_id);
 
-//return 0 if there is no received data in the buffer.
-//return length of received packet if successful
+/* return 0 if there is no received data in the buffer.
+   return length of received packet if successful */
 int read_packet(int connection_id, uint8_t * data);
 
 
-//return 0 if data could not be put in packet queue
-//return 1 if data was put into the queue
+/* return 0 if data could not be put in packet queue
+   return 1 if data was put into the queue */
 int write_packet(int connection_id, uint8_t * data, uint32_t length);
 
 
 
-//returns the number of packets in the queue waiting to be successfully sent.
+/* returns the number of packets in the queue waiting to be successfully sent. */
 uint32_t sendqueue(int connection_id);
 
 
-//returns the number of packets in the queue waiting to be successfully read with read_packet(...)
+/* returns the number of packets in the queue waiting to be successfully read with read_packet(...) */
 uint32_t recvqueue(int connection_id);
 
 
-//check if connection is connected
-//return 0 no.
-//return 1 if attempting handshake
-//return 2 if handshake is done
-//return 3 if fully connected
-//return 4 if timed out and wating to be killed
+/* check if connection is connected
+   return 0 no.
+   return 1 if attempting handshake
+   return 2 if handshake is done
+   return 3 if fully connected
+   return 4 if timed out and wating to be killed */
 int is_connected(int connection_id);
 
 
-//Call this function a couple times per second
-//It's the main loop.
+/* Call this function a couple times per second
+   It's the main loop. */
 void doLossless_UDP();
 
 
-//if we receive a Lossless_UDP packet we call this function so it can be handled.
-//Return 0 if packet is handled correctly.
-//return 1 if it didn't handle the packet or if the packet was shit.
+/* if we receive a Lossless_UDP packet we call this function so it can be handled.
+   return 0 if packet is handled correctly.
+   return 1 if it didn't handle the packet or if the packet was shit. */
 int LosslessUDP_handlepacket(uint8_t * packet, uint32_t length, IP_Port source);
 
 #endif
diff --git a/core/Messenger.c b/core/Messenger.c
index 5a10c1da..e8de3b88 100644
--- a/core/Messenger.c
+++ b/core/Messenger.c
@@ -29,15 +29,15 @@ typedef struct
 {
     uint8_t client_id[CLIENT_ID_SIZE];
     int crypt_connection_id;
-    int friend_request_id; //id of the friend request corresponding to the current friend request to the current friend.
-    uint8_t status;//0 if no friend, 1 if added, 2 if friend request sent, 3 if confirmed friend, 4 if online.
-    uint8_t info[MAX_DATA_SIZE]; //the data that is sent during the friend requests we do
+    int friend_request_id; /* id of the friend request corresponding to the current friend request to the current friend. */
+    uint8_t status; /* 0 if no friend, 1 if added, 2 if friend request sent, 3 if confirmed friend, 4 if online. */
+    uint8_t info[MAX_DATA_SIZE]; /* the data that is sent during the friend requests we do */
     uint8_t name[MAX_NAME_LENGTH];
-    uint8_t name_sent;//0 if we didn't send our name to this friend 1 if we have.
+    uint8_t name_sent; /* 0 if we didn't send our name to this friend 1 if we have. */
     uint8_t *userstatus;
     uint16_t userstatus_length;
     uint8_t userstatus_sent;
-    uint16_t info_size; //length of the info
+    uint16_t info_size; /* length of the info */
 }Friend;
  
 
@@ -54,13 +54,13 @@ static Friend friendlist[MAX_NUM_FRIENDS];
 
 static uint32_t numfriends;
  
-//1 if we are online
-//0 if we are offline
-//static uint8_t online;
+/* 1 if we are online
+   0 if we are offline
+   static uint8_t online; */
 
 
-//return the friend id associated to that public key.
-//return -1 if no such friend
+/* return the friend id associated to that public key.
+   return -1 if no such friend */
 int getfriend_id(uint8_t * client_id)
 {
     uint32_t i;
@@ -78,10 +78,10 @@ int getfriend_id(uint8_t * client_id)
 }
 
 
-//copies the public key associated to that friend id into client_id buffer.
-//make sure that client_id is of size CLIENT_ID_SIZE.
-//returns 0 if success
-//return -1 if failure.
+/* copies the public key associated to that friend id into client_id buffer.
+   make sure that client_id is of size CLIENT_ID_SIZE.
+   return 0 if success
+   return -1 if failure. */
 int getclient_id(int friend_id, uint8_t * client_id)
 {
     if(friend_id >= numfriends || friend_id < 0)
@@ -98,12 +98,12 @@ int getclient_id(int friend_id, uint8_t * client_id)
 }
 
 
-//add a friend
-//set the data that will be sent along with friend request
-//client_id is the client id of the friend
-//data is the data and length is the length
-//returns the friend number if success
-//return -1 if failure.
+/* add a friend
+   set the data that will be sent along with friend request
+   client_id is the client id of the friend
+   data is the data and length is the length
+   returns the friend number if success
+   return -1 if failure. */
 int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length)
 {
     if(length == 0 || length >=
@@ -166,9 +166,9 @@ int m_addfriend_norequest(uint8_t * client_id)
     return -1;
 }
 
-//remove a friend
-//returns 0 if success
-//return -1 if failure.
+/* remove a friend
+   return 0 if success
+   return -1 if failure */
 int m_delfriend(int friendnumber)
 {
     if(friendnumber >= numfriends || friendnumber < 0)
@@ -193,11 +193,11 @@ int m_delfriend(int friendnumber)
 }
 
 
-//return 4 if friend is online
-//return 3 if friend is confirmed
-//return 2 if the friend request was sent
-//return 1 if the friend was added
-//return 0 if there is no friend with that number.
+/* return 4 if friend is online
+   return 3 if friend is confirmed
+   return 2 if the friend request was sent
+   return 1 if the friend was added
+   return 0 if there is no friend with that number */
 int m_friendstatus(int friendnumber)
 {
     if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
@@ -208,9 +208,9 @@ int m_friendstatus(int friendnumber)
 }
 
 
-//send a text chat message to an online friend.
-//returns 1 if packet was successfully put into the send queue
-//return 0 if it was not.
+/* send a text chat message to an online friend
+   return 1 if packet was successfully put into the send queue
+   return 0 if it was not */
 int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length)
 {
     if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
@@ -218,7 +218,7 @@ int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length)
         return 0;
     }
     if(length >= MAX_DATA_SIZE || friendlist[friendnumber].status != 4)
-    //this does not mean the maximum message length is MAX_DATA_SIZE - 1, it is actually 17 bytes less.
+    /* this does not mean the maximum message length is MAX_DATA_SIZE - 1, it is actually 17 bytes less. */
     {
         return 0;
     }
@@ -228,7 +228,7 @@ int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length)
     return write_cryptpacket(friendlist[friendnumber].crypt_connection_id, temp, length + 1);
 }
 
-//send a name packet to friendnumber
+/* send a name packet to friendnumber */
 static int m_sendname(int friendnumber, uint8_t * name)
 {
     uint8_t temp[MAX_NAME_LENGTH + 1];
@@ -237,9 +237,9 @@ static int m_sendname(int friendnumber, uint8_t * name)
     return write_cryptpacket(friendlist[friendnumber].crypt_connection_id, temp, MAX_NAME_LENGTH + 1);
 }
 
-//set the name of a friend
-//return 0 if success
-//return -1 if failure
+/* set the name of a friend
+   return 0 if success
+   return -1 if failure */
 
 static int setfriendname(int friendnumber, uint8_t * name)
 {
@@ -252,10 +252,10 @@ static int setfriendname(int friendnumber, uint8_t * name)
 }
 
 
-//Set our nickname
-//name must be a string of maximum MAX_NAME_LENGTH length.
-//return 0 if success
-//return -1 if failure
+/* Set our nickname
+   name must be a string of maximum MAX_NAME_LENGTH length.
+   return 0 if success
+   return -1 if failure */
 int setname(uint8_t * name, uint16_t length)
 {
     if(length > MAX_NAME_LENGTH)
@@ -271,11 +271,11 @@ int setname(uint8_t * name, uint16_t length)
     return 0;
 }
 
-//get name of friendnumber
-//put it in name
-//name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH bytes.
-//return 0 if success
-//return -1 if failure
+/* get name of friendnumber
+   put it in name
+   name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH bytes.
+   return 0 if success
+   return -1 if failure */
 int getname(int friendnumber, uint8_t * name)
 {
     if(friendnumber >= numfriends || friendnumber < 0)
@@ -306,8 +306,8 @@ int m_set_userstatus(uint8_t *status, uint16_t length)
     return 0;
 }
 
-// return the size of friendnumber's user status
-// guaranteed to be at most MAX_USERSTATUS_LENGTH
+/*  return the size of friendnumber's user status
+    guaranteed to be at most MAX_USERSTATUS_LENGTH */
 int m_get_userstatus_size(int friendnumber)
 {
     if(friendnumber >= numfriends || friendnumber < 0)
@@ -317,8 +317,8 @@ int m_get_userstatus_size(int friendnumber)
     return friendlist[friendnumber].userstatus_length;
 }
 
-// copy the user status of friendnumber into buf, truncating if needed to maxlen
-// bytes, use m_get_userstatus_size to find out how much you need to allocate
+/*  copy the user status of friendnumber into buf, truncating if needed to maxlen
+    bytes, use m_get_userstatus_size to find out how much you need to allocate */
 int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen)
 {
     if(friendnumber >= numfriends || friendnumber < 0)
@@ -356,7 +356,7 @@ static int set_friend_userstatus(int friendnumber, uint8_t * status, uint16_t le
 
 static void (*friend_request)(uint8_t *, uint8_t *, uint16_t);
 
-//set the function that will be executed when a friend request is received.
+/* set the function that will be executed when a friend request is received. */
 void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t))
 {
     friend_request = function;
@@ -365,7 +365,7 @@ void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t))
 
 static void (*friend_message)(int, uint8_t *, uint16_t);
 
-//set the function that will be executed when a message from a friend is received.
+/* set the function that will be executed when a message from a friend is received. */
 void m_callback_friendmessage(void (*function)(int, uint8_t *, uint16_t))
 {
     friend_message = function;
@@ -385,7 +385,7 @@ void m_callback_userstatus(void (*function)(int, uint8_t *, uint16_t))
 }
 
 #define PORT 33445
-//run this at startup
+/* run this at startup */
 void initMessenger()
 {
     new_keys();
@@ -397,7 +397,7 @@ void initMessenger()
 }
 
 static void doFriends()
-{//TODO: add incoming connections and some other stuff.
+{/* TODO: add incoming connections and some other stuff. */
     uint32_t i;
     int len;
     uint8_t temp[MAX_DATA_SIZE];
@@ -407,7 +407,7 @@ static void doFriends()
         {
              IP_Port friendip = DHT_getfriendip(friendlist[i].client_id);
              int request = check_friendrequest(friendlist[i].friend_request_id);
-             //printf("\n%u %u %u\n", friendip.ip.i, request, friendlist[i].friend_request_id);
+             /* printf("\n%u %u %u\n", friendip.ip.i, request, friendlist[i].friend_request_id); */
              if(friendip.ip.i > 1 && request == -1)
              {
                   friendlist[i].friend_request_id = send_friendrequest(friendlist[i].client_id,
@@ -415,9 +415,9 @@ static void doFriends()
                   friendlist[i].status = 2;
              }
         }
-        if(friendlist[i].status == 2 || friendlist[i].status == 3) //friend is not online
+        if(friendlist[i].status == 2 || friendlist[i].status == 3) /* friend is not online */
         {
-            check_friendrequest(friendlist[i].friend_request_id);//for now this is used to kill the friend request
+            check_friendrequest(friendlist[i].friend_request_id); /* for now this is used to kill the friend request */
             IP_Port friendip = DHT_getfriendip(friendlist[i].client_id);
             switch(is_cryptoconnected(friendlist[i].crypt_connection_id))
             {
@@ -425,7 +425,7 @@ static void doFriends()
                     if (friendip.ip.i > 1)
                         friendlist[i].crypt_connection_id = crypto_connect(friendlist[i].client_id, friendip);
                     break;
-                case 3: // Connection is established
+                case 3: /*  Connection is established */
                     friendlist[i].status = 4;
                     break;
                 case 4:
@@ -436,7 +436,7 @@ static void doFriends()
                     break;
             }
         }
-        while(friendlist[i].status == 4) //friend is online
+        while(friendlist[i].status == 4) /* friend is online */
         {
             if(friendlist[i].name_sent == 0)
             {
@@ -458,9 +458,9 @@ static void doFriends()
                 switch(temp[0]) {
                     case PACKET_ID_NICKNAME: {
                         if (len != MAX_NAME_LENGTH + 1) break;
-                        friend_namechange(i, temp + 1, MAX_NAME_LENGTH); // todo: use the actual length
+                        friend_namechange(i, temp + 1, MAX_NAME_LENGTH); /* TODO: use the actual length */
                         memcpy(friendlist[i].name, temp + 1, MAX_NAME_LENGTH);
-                        friendlist[i].name[MAX_NAME_LENGTH - 1] = 0;//make sure the NULL terminator is present.
+                        friendlist[i].name[MAX_NAME_LENGTH - 1] = 0; /* make sure the NULL terminator is present. */
                         break;
                     }
                     case PACKET_ID_USERSTATUS: {
@@ -479,7 +479,7 @@ static void doFriends()
             }
             else
             {
-                 if(is_cryptoconnected(friendlist[i].crypt_connection_id) == 4)//if the connection timed out, kill it
+                 if(is_cryptoconnected(friendlist[i].crypt_connection_id) == 4) /* if the connection timed out, kill it */
                  {
                          crypto_kill(friendlist[i].crypt_connection_id);
                          friendlist[i].crypt_connection_id = -1;
@@ -525,7 +525,7 @@ static void doInbound()
     }
 }
 
-//the main loop that needs to be run at least 200 times per second.
+/* the main loop that needs to be run at least 200 times per second. */
 void doMessenger()
 {
     IP_Port ip_port;
@@ -534,18 +534,18 @@ void doMessenger()
     while(receivepacket(&ip_port, data, &length) != -1)
     {
 #ifdef DEBUG
-        //if(rand() % 3 != 1)//simulate packet loss
-        //{
+        /* if(rand() % 3 != 1) //simulate packet loss */
+        /* { */
         if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port))
         {
-            //if packet is discarded
+            /* if packet is discarded */
             printf("Received unhandled packet with length: %u\n", length);
         }
         else
         {
             printf("Received handled packet with length: %u\n", length);
         }
-        //}
+        /* } */
         printf("Status: %u %u %u\n",friendlist[0].status ,is_cryptoconnected(friendlist[0].crypt_connection_id),  friendlist[0].crypt_connection_id);
 #else
         DHT_handlepacket(data, length, ip_port);
@@ -561,14 +561,14 @@ void doMessenger()
     doFriends();
 }
 
-//returns the size of the messenger data (for saving)
+/* returns the size of the messenger data (for saving) */
 uint32_t Messenger_size()
 {
     return crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES
                                      + sizeof(uint32_t) + DHT_size() + sizeof(uint32_t) + sizeof(Friend) * numfriends;
 }
 
-//save the messenger in data of size Messenger_size()
+/* save the messenger in data of size Messenger_size() */
 void Messenger_save(uint8_t * data)
 {
     save_keys(data);
@@ -584,7 +584,7 @@ void Messenger_save(uint8_t * data)
     memcpy(data, friendlist, sizeof(Friend) * numfriends);
 }
 
-//load the messenger from data of size length.
+/* load the messenger from data of size length. */
 int Messenger_load(uint8_t * data, uint32_t length)
 {
     if(length == ~0)
@@ -631,7 +631,7 @@ int Messenger_load(uint8_t * data, uint32_t length)
         {
             int fnum = m_addfriend_norequest(temp[i].client_id);
             setfriendname(fnum, temp[i].name);
-            //set_friend_userstatus(fnum, temp[i].userstatus, temp[i].userstatus_length);
+            /* set_friend_userstatus(fnum, temp[i].userstatus, temp[i].userstatus_length); */
         }
     }
     free(temp);
diff --git a/core/Messenger.h b/core/Messenger.h
index 3ba74d39..6fd98972 100644
--- a/core/Messenger.h
+++ b/core/Messenger.h
@@ -37,113 +37,113 @@
 #define PACKET_ID_USERSTATUS 49
 #define PACKET_ID_MESSAGE 64
 
-// don't assume MAX_USERSTATUS_LENGTH will stay at 128, it may be increased
-// to an absurdly large number later
-
-//add a friend
-//set the data that will be sent along with friend request
-//client_id is the client id of the friend
-//data is the data and length is the length
-//returns the friend number if success
-//return -1 if failure.
+/* don't assume MAX_USERSTATUS_LENGTH will stay at 128, it may be increased
+   to an absurdly large number later */
+
+/* add a friend
+   set the data that will be sent along with friend request
+   client_id is the client id of the friend
+   data is the data and length is the length
+   returns the friend number if success
+   return -1 if failure. */
 int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length);
 
 
-//add a friend without sending a friendrequest.
-//returns the friend number if success
-//return -1 if failure.
+/* add a friend without sending a friendrequest.
+   returns the friend number if success
+   return -1 if failure. */
 int m_addfriend_norequest(uint8_t * client_id);
 
-//return the friend id associated to that client id.
-//return -1 if no such friend
+/* return the friend id associated to that client id.
+   return -1 if no such friend */
 int getfriend_id(uint8_t * client_id);
 
-//copies the public key associated to that friend id into client_id buffer.
-//make sure that client_id is of size CLIENT_ID_SIZE.
-//returns 0 if success
-//return -1 if failure.
+/* copies the public key associated to that friend id into client_id buffer.
+   make sure that client_id is of size CLIENT_ID_SIZE.
+   return 0 if success
+   return -1 if failure */
 int getclient_id(int friend_id, uint8_t * client_id);
 
-//remove a friend
+/* remove a friend */
 int m_delfriend(int friendnumber);
 
-//return 4 if friend is online
-//return 3 if friend is confirmed
-//return 2 if the friend request was sent
-//return 1 if the friend was added
-//return 0 if there is no friend with that number.
+/* return 4 if friend is online
+   return 3 if friend is confirmed
+   return 2 if the friend request was sent
+   return 1 if the friend was added
+   return 0 if there is no friend with that number */
 int m_friendstatus(int friendnumber);
 
 
-//send a text chat message to an online friend.
-//returns 1 if packet was successfully put into the send queue
-//return 0 if it was not.
+/* send a text chat message to an online friend
+   returns 1 if packet was successfully put into the send queue
+   return 0 if it was not */
 int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length);
 
-//Set our nickname
-//name must be a string of maximum MAX_NAME_LENGTH length.
-//return 0 if success
-//return -1 if failure
+/* Set our nickname
+   name must be a string of maximum MAX_NAME_LENGTH length.
+   return 0 if success
+   return -1 if failure */
 int setname(uint8_t * name, uint16_t length);
 
 
-//get name of friendnumber
-//put it in name
-//name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
-//return 0 if success
-//return -1 if failure
+/* get name of friendnumber
+   put it in name
+   name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
+   return 0 if success
+   return -1 if failure */
 int getname(int friendnumber, uint8_t * name);
 
-// set our user status
-// you are responsible for freeing status after
-// returns 0 on success, -1 on failure
+/* set our user status
+   you are responsible for freeing status after
+   returns 0 on success, -1 on failure */
 int m_set_userstatus(uint8_t *status, uint16_t length);
 
-// return the length of friendnumber's user status,
-// including null
-// pass it into malloc
+/* return the length of friendnumber's user status,
+   including null
+   pass it into malloc */
 int m_get_userstatus_size(int friendnumber);
 
-// copy friendnumber's userstatus into buf, truncating if size is over maxlen
-// get the size you need to allocate from m_get_userstatus_size
+/* copy friendnumber's userstatus into buf, truncating if size is over maxlen
+   get the size you need to allocate from m_get_userstatus_size */
 int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen);
 
-//set the function that will be executed when a friend request is received.
-//function format is function(uint8_t * public_key, uint8_t * data, uint16_t length)
+/* set the function that will be executed when a friend request is received.
+   function format is function(uint8_t * public_key, uint8_t * data, uint16_t length) */
 void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
 
 
-//set the function that will be executed when a message from a friend is received.
-//function format is: function(int friendnumber, uint8_t * message, uint32_t length)
+/* set the function that will be executed when a message from a friend is received.
+   function format is: function(int friendnumber, uint8_t * message, uint32_t length) */
 void m_callback_friendmessage(void (*function)(int, uint8_t *, uint16_t));
 
-// set the callback for name changes
-// function(int friendnumber, uint8_t *newname, uint16_t length)
-// you are not responsible for freeing newname
+/* set the callback for name changes
+   function(int friendnumber, uint8_t *newname, uint16_t length)
+   you are not responsible for freeing newname */
 void m_callback_namechange(void (*function)(int, uint8_t *, uint16_t));
 
-// set the callback for user status changes
-// function(int friendnumber, uint8_t *newstatus, uint16_t length)
-// you are not responsible for freeing newstatus
+/* set the callback for user status changes
+   function(int friendnumber, uint8_t *newstatus, uint16_t length)
+   you are not responsible for freeing newstatus */
 void m_callback_userstatus(void (*function)(int, uint8_t *, uint16_t));
 
-//run this at startup
+/* run this at startup */
 void initMessenger();
 
 
-//the main loop that needs to be run at least 200 times per second.
+/* the main loop that needs to be run at least 200 times per second */
 void doMessenger();
 
 
-//SAVING AND LOADING FUNCTIONS:
+/* SAVING AND LOADING FUNCTIONS: */
 
-//returns the size of the messenger data (for saving)
+/* returns the size of the messenger data (for saving) */
 uint32_t Messenger_size();
 
-//save the messenger in data (must be allocated memory of size Messenger_size())
+/* save the messenger in data (must be allocated memory of size Messenger_size()) */
 void Messenger_save(uint8_t * data);
 
-//load the messenger from data of size length.
+/* load the messenger from data of size length */
 int Messenger_load(uint8_t * data, uint32_t length);
 
 #endif