old c,cc examples

1 files changed, 46 insertions, 0 deletions

diff --git a/c,cc/pointers.c b/c,cc/pointers.c
new file mode 100644
index 0000000..1efc25e
--- /dev/null
+++ b/c,cc/pointers.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+
+
+void
+test1(void)
+{
+	char *sp;
+	char s[] = "str";
+	sp = s;
+	printf("sp: %s\n", sp);
+	printf("s: %s\n", s);
+
+	int a = 513;
+	int *ap = &a;
+	int **app = &ap;
+	printf("a: %d\n", a);
+	printf("ap: %d\n", *ap);
+	printf("app: %d\n", **app);
+}
+
+void
+test2()
+{
+	char *str = "abc";
+	
+	printf("for:\n");
+	for (unsigned int i = 0; i < 3; i += 1)
+	{
+		printf("%c\n", str[i]);
+	}
+	
+	printf("---\nwhile:\n");
+	while(*str)	{
+		printf("%c\n", *str++);
+	}
+	
+}
+
+int main(void)
+{
+  test1();
+  test2();
+
+	return 0;
+}
+