1 files changed, 19 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/OR_USING_C/a.6.c b/reference/C/CONTRIB/OR_USING_C/a.6.c
new file mode 100644
index 0000000..5b0be32
--- /dev/null
+++ b/reference/C/CONTRIB/OR_USING_C/a.6.c
@@ -0,0 +1,19 @@
+main()
+{
+    extern y_();
+    long a, b, c;
+
+    a = 4;
+    b = 5;
+    c = 6;
+
+    y_(&a, &b, &c);
+}
+
+x_(u, v, w)
+long *u, *v, *w;
+{
+    *u *= 2;
+    *v *= 3;
+    *w *= 4;
+}