sim: various cleanups (non existent funcs)

sim/SimDBstuff.c

@@ -46,13 +46,6 @@
 #include "utils/styles.h"
 #include "graphics/graphics.h"
 
-/* Forward declarations */
-
-extern char *DBPrintUseId();
-extern int  dbcUnconnectFunc();
-extern void SimInitScxStk();
-extern void SimPopScx();
-extern void SimMakePathname();
 
 static char 		bestName[256];
 

sim/SimRsim.c

@@ -51,7 +51,7 @@
 /* C99 compat */
 #include "textio/textio.h"
 
-static bool InitRsim();
+static bool InitRsim(const char *hello_msg);
 
 #define BUF_SIZE	1024
 #define	LINEBUF_SIZE	256
@@ -382,7 +382,7 @@ SimConnectRsim(
  *-----------------------------------------------------------------------
  */
 
-bool
+static bool
 InitRsim(
     const char  *hello_msg)
 {

sim/SimSelect.c

@@ -447,7 +447,7 @@ SimSelection(
     char		*strPtr;
     bool		goodReply;
 
-    extern void		RsimErrorMsg();
+    extern void		RsimErrorMsg(void);
 
     timeString[0] = 0;