diff --git a/tests/21_char_array.c b/tests/21_char_array.c
new file mode 100644
index 0000000..4d1d284
--- /dev/null
+++ b/tests/21_char_array.c
@@ -0,0 +1,24 @@
+char *a = "hello";
+
+printf("%s\n", a);
+
+int c;
+c = *a;
+
+char *b;
+for (b = a; *b != 0; b++)
+    printf("%c: %d\n", *b, *b);
+
+char destarray[10];
+char *dest;
+char *src;
+
+dest = &destarray[0];
+src = a;
+while (*src != 0)
+    *dest++ = *src++;
+
+*dest = 0;
+
+printf("copied string is %s\n", destarray);
+