Early fixes for upcoming C2x.
--- a/galaxis.c
+++ b/galaxis.c
@@ -32,4 +32,2 @@
 #define rand()		lrand48()
-extern long lrand48();
-extern void srand48();
 #define bzero(s, n)	(void)memset((char *)(s), '\0', n)
@@ -648,5 +646,3 @@
 
-int main(argc, argv)
-int argc;
-char *argv[];
+int main(int argc, char *argv[])
 {