1 files changed, 18 insertions, 15 deletions
diff --git a/addon.c b/addon.c
index df3fcd7..6e6c232 100644
--- a/addon.c
+++ b/addon.c
@@ -1,22 +1,25 @@
 /*
-   This file contains the implementations of any locally defined
-   builtins.
+   This file is NOT BUILT by default.  Together with addon.h, it
+   provides an example of how to add new builtins to rc.
 */
 
-#ifdef	DWS
-
-/*
-   This is what DaviD Sanderson (dws@cs.wisc.edu) uses.
-*/
+#include "rc.h"
+#include "addon.h"
 
-#include <sys/types.h>
-#include <sys/file.h>
-#include <sys/stat.h>
+void b_sum(char **av) {
+	long sum = 0;
 
-#include "rc.h"		/* for bool TRUE, FALSE */
-#include "addon.h"
+	while (*++av)
+		sum += atol(*av);
+	fprint(1, "%ld\n", sum);
+	set(TRUE);
+}
 
-#include "addon/access.c"
-#include "addon/test.c"
+void b_prod(char **av) {
+	long sum = 1;
 
-#endif
+	while (*++av)
+		sum *= atol(*av);
+	fprint(1, "%ld\n", sum);
+	set(TRUE);
+}