--- c.m4.old	Sun Apr  7 15:09:38 2002
+++ c.m4	Mon Apr 15 14:11:39 2002
@@ -744,9 +744,13 @@
 /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
 struct buf { int x; };
 FILE * (*rcsopen) (struct buf *, struct stat *, int);
+#ifdef __cplusplus
+static char *e (char **p, int i)
+#else
 static char *e (p, i)
      char **p;
      int i;
+#endif
 {
   return p[i];
 }
