1 files changed, 30 insertions, 0 deletions
diff --git a/12_read_ptr2/test.c b/12_read_ptr2/test.c
new file mode 100644
index 0000000..ffa4754
--- /dev/null
+++ b/12_read_ptr2/test.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int f(int ** r, int ** s) {
+  int temp = ** r;
+  int temp2 = **s;
+  int * z = *r;
+  *r = *s;
+  *s = z;
+  printf("**r = %d\n",**r);
+  printf("**s = %d\n",**s);
+  *z += 3;
+  **s -= 8;
+  **r -= 19;
+  return temp + temp2;
+}
+
+int main(void) {
+  int a = 80;
+  int b = 12;
+  int * p = &a;
+  int * q = &b;
+  int x = f(&p, &q);
+  printf("x = %d\n", x);
+  printf("*p = %d\n", *p);
+  printf("*q = %d\n", *q);
+  printf("a = %d\n", a);
+  printf("b = %d\n", b);
+  return EXIT_SUCCESS;
+}