aboutsummaryrefslogtreecommitdiff
path: root/manual/examples/add.c
diff options
context:
space:
mode:
Diffstat (limited to 'manual/examples/add.c')
-rw-r--r--manual/examples/add.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/manual/examples/add.c b/manual/examples/add.c
new file mode 100644
index 0000000..e4b1bba
--- /dev/null
+++ b/manual/examples/add.c
@@ -0,0 +1,30 @@
+#include <stdarg.h>
+#include <stdio.h>
+
+int
+add_em_up (int count,...)
+{
+ va_list ap;
+ int i, sum;
+
+ va_start (ap, count); /* Initialize the argument list. */
+
+ sum = 0;
+ for (i = 0; i < count; i++)
+ sum += va_arg (ap, int); /* Get the next argument value. */
+
+ va_end (ap); /* Clean up. */
+ return sum;
+}
+
+int
+main (void)
+{
+ /* This call prints 16. */
+ printf ("%d\n", add_em_up (3, 5, 5, 6));
+
+ /* This call prints 55. */
+ printf ("%d\n", add_em_up (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
+
+ return 0;
+}