diff -r c021699c33dc -r 7d4e5ce73b98 hedgewars/uIO.pas
--- a/hedgewars/uIO.pas	Sat Apr 21 18:02:44 2012 +0200
+++ b/hedgewars/uIO.pas	Sat Apr 21 20:12:22 2012 +0400
@@ -26,6 +26,7 @@
 procedure freeModule;
 
 procedure SendIPC(s: shortstring);
+procedure SendIPCc(c: char);
 procedure SendIPCXY(cmd: char; X, Y: SmallInt);
 procedure SendIPCRaw(p: pointer; len: Longword);
 procedure SendIPCAndWaitReply(s: shortstring);
@@ -123,7 +124,7 @@
 begin
 case s[1] of
      '!': begin AddFileLog('Ping? Pong!'); isPonged:= true; end;
-     '?': SendIPC('!');
+     '?': SendIPCc('!');
      'e': ParseCommand(copy(s, 2, Length(s) - 1), true);
      'E': OutError(copy(s, 2, Length(s) - 1), true);
      'W': OutError(copy(s, 2, Length(s) - 1), false);
@@ -229,6 +230,14 @@
     end
 end;
 
+procedure SendIPCc(c: char);
+var s: shortstring;
+begin
+    s[0]:= #0;
+    s[1]:= c;
+    SendIPC(s);
+end;
+
 procedure SendIPCRaw(p: pointer; len: Longword);
 begin
 if IPCSock <> nil then
@@ -259,7 +268,7 @@
 procedure SendIPCAndWaitReply(s: shortstring);
 begin
 SendIPC(s);
-SendIPC('?');
+SendIPCc('?');
 IPCWaitPongEvent
 end;
 
@@ -267,7 +276,7 @@
 begin
 inc(SendEmptyPacketTicks, Lag);
 if (SendEmptyPacketTicks >= cSendEmptyPacketTime) then
-    SendIPC('+')
+    SendIPCc('+')
 end;
 
 procedure NetGetNextCmd;