X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fscreenhack.h;h=14e9a16cb0d1b1be5ff6c095eb5fa44b4b5df23f;hb=88134d551a9911995c013c5ed06a32c2b1044b85;hp=12506b32667f13ee88608abebcd80c8b34bfdc9e;hpb=0cac953ce8d5139c1a264b417951ee15a3176b51;p=xscreensaver

diff --git a/hacks/screenhack.h b/hacks/screenhack.h
index 12506b32..14e9a16c 100644
--- a/hacks/screenhack.h
+++ b/hacks/screenhack.h
@@ -74,13 +74,21 @@ extern char *defaults [];
 
 #if __STDC__
 # if defined(SVR4) || defined(SYSV)
-extern int rand (void);
-extern void srand (unsigned int);
-#  define random() rand()
-#  define srandom(i) srand((unsigned int)(i))
+#  ifndef random
+    extern int rand (void);
+#   define random() rand()
+#  endif
+#  ifndef srandom
+    extern void srand (unsigned int);
+#   define srandom(i) srand((unsigned int)(i))
+#  endif
 # else /* !totally-losing-SYSV */
-extern long random (void);
-extern void srandom (int);
+#  ifndef random
+    extern long random (void);
+#  endif
+#  ifndef srandom
+    extern void srandom (int);
+#  endif
 # endif /* !totally-losing-SYSV */
 #endif /* __STDC__ */