SDL_net: chatd.c: fix warning, whitespace tidy-up.

From fcdd07fcafa82549a0c2a56aab65ea6e21553e1c Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 21 Jun 2022 00:01:02 +0300
Subject: [PATCH] chatd.c: fix warning, whitespace tidy-up.

---
 chatd.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/chatd.c b/chatd.c
index 605e948..fbe0acc 100644
--- a/chatd.c
+++ b/chatd.c
@@ -72,7 +72,7 @@ void HandleServer(void)
                         people[which].sock);
                 SDLNet_TCP_Close(people[which].sock);
 #ifdef DEBUG
-    fprintf(stderr, "Killed inactive socket %d\n", which);
+                fprintf(stderr, "Killed inactive socket %d\n", which);
 #endif
                 break;
             }
@@ -84,7 +84,7 @@ void HandleServer(void)
         SDLNet_TCP_Send(newsock, &data, 1);
         SDLNet_TCP_Close(newsock);
 #ifdef DEBUG
-    fprintf(stderr, "Connection refused -- chat room full\n");
+        fprintf(stderr, "Connection refused -- chat room full\n");
 #endif
     } else {
         /* Add socket as an inactive person */
@@ -92,7 +92,7 @@ void HandleServer(void)
         people[which].peer = *SDLNet_TCP_GetPeerAddress(newsock);
         SDLNet_TCP_AddSocket(socketset, people[which].sock);
 #ifdef DEBUG
-    fprintf(stderr, "New inactive socket %d\n", which);
+        fprintf(stderr, "New inactive socket %d\n", which);
 #endif
     }
 }
@@ -121,8 +121,8 @@ void HandleClient(int which)
     /* Has the connection been closed? */
     if ( SDLNet_TCP_Recv(people[which].sock, data, 512) <= 0 ) {
 #ifdef DEBUG
-    fprintf(stderr, "Closing socket %d (was%s active)\n",
-            which, people[which].active ? "" : " not");
+        fprintf(stderr, "Closing socket %d (was%s active)\n",
+                which, people[which].active ? "" : " not");
 #endif
         /* Notify all active clients */
         if ( people[which].active ) {
@@ -190,21 +190,20 @@ static void cleanup(int exitcode)
     exit(exitcode);
 }
 
-main(int argc, char *argv[])
+int main(int argc, char *argv[])
 {
     IPaddress serverIP;
     int i;
 
-        /* Initialize SDL */
-        if ( SDL_Init(0) < 0 ) {
-                fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
-                exit(1);
+    /* Initialize SDL */
+    if ( SDL_Init(0) < 0 ) {
+        fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
+        exit(1);
     }
 
     /* Initialize the network */
     if ( SDLNet_Init() < 0 ) {
-        fprintf(stderr, "Couldn't initialize net: %s\n",
-                        SDLNet_GetError());
+        fprintf(stderr, "Couldn't initialize net: %s\n", SDLNet_GetError());
         SDL_Quit();
         exit(1);
     }
@@ -225,7 +224,7 @@ main(int argc, char *argv[])
 
     /* Create the server socket */
     SDLNet_ResolveHost(&serverIP, NULL, CHAT_PORT);
-printf("Server IP: %x, %d\n", serverIP.host, serverIP.port);
+    printf("Server IP: %x, %d\n", serverIP.host, serverIP.port);
     servsock = SDLNet_TCP_Open(&serverIP);
     if ( servsock == NULL ) {
         fprintf(stderr, "Couldn't create server socket: %s\n",