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-rw-r--r--user/call.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/user/call.c b/user/call.c
new file mode 100644
index 0000000..f725dcb
--- /dev/null
+++ b/user/call.c
@@ -0,0 +1,17 @@
+#include "kernel/param.h"
+#include "kernel/types.h"
+#include "kernel/stat.h"
+#include "user/user.h"
+
+int g(int x) {
+ return x+3;
+}
+
+int f(int x) {
+ return g(x);
+}
+
+void main(void) {
+ printf("%d %d\n", f(8)+1, 13);
+ exit(0);
+}