declaration of sprintf only if __STDC__ is not defined

mach/proto/as/comm7.c

@@ -12,7 +12,11 @@
 #include	"comm1.h"
 #include	"y.tab.h"
 
-extern char	*sprintf();
+#ifndef __STDC__
+extern char *sprintf();
+#else
+/* sprintf should be declared in stdio.h, as returning an int */
+#endif
 
 valu_t
 load(ip)

mach/proto/ncg/compute.c

@@ -19,7 +19,11 @@ static char rcsid[] = "$Header$";
  * Author: Hans van Staveren
  */
 
-extern char	*sprintf();
+#ifndef __STDC__
+extern char *sprintf();
+#else
+/* sprintf should be declared in stdio.h, as returning an int */
+#endif
 
 #define LLEAF 01
 #define LDEF  02

mach/proto/ncg/fillem.c

@@ -29,7 +29,11 @@ static char rcsid2[] = "$Header$";
  * Author: Hans van Staveren
  */
 
-extern char	*sprintf();
+#ifndef __STDC__
+extern char *sprintf();
+#else
+/* sprintf should be declared in stdio.h, as returning an int */
+#endif
 
 #ifndef newplb			/* retrofit for older mach.h */
 #define newplb newilb

mach/proto/ncg/gencode.c

@@ -19,7 +19,11 @@ static char rcsid[] = "$Header$";
  * Author: Hans van Staveren
  */
 
-extern char	*sprintf();
+#ifndef __STDC__
+extern char *sprintf();
+#else
+/* sprintf should be declared in stdio.h, as returning an int */
+#endif
 
 string mystrcpy();
 

util/cgg/main.c

@@ -7,7 +7,12 @@
 
 #include "booth.h"
 
-char *strncpy(), *strcpy(), *sprintf();
+extern char *strncpy(), *strcpy();
+#ifndef __STDC__
+extern char *sprintf();
+#else
+/* sprintf should be declared in stdio.h, as returning an int */
+#endif
 
 char * myalloc(n) {
 	register char *p;