Beispielprogramme 23.10.2017

20171023/arrays-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  int prime[5] = { 2, 3, 5, 7, 11 };
+  int *p = prime;
+  for (int i = 0; i < 5; i++)
+    printf ("%d\n", *(p + i));
+  return 0;
+}

20171023/arrays-2.c

+#include <stdio.h>
+
+int main (void)
+{
+  int prime[5] = { 2, 3, 5, 7, 11 };
+  int *p = prime;
+  for (int i = 0; i < 5; i++)
+    printf ("%d\n", p[i]);
+  return 0;
+}

20171023/arrays-3.c

+#include <stdio.h>
+
+int main (void)
+{
+  int prime[5] = { 2, 3, 5, 7, 11 };
+  for (int i = 0; i < 5; i++)
+    printf ("%d\n", prime[i]);
+  return 0;
+}

20171023/operators-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf ("%d\n", 3 ^ 2);
+  return 0;
+}

20171023/pointers-1.c

+#include <stdio.h>
+
+void calc_answer (int *a)
+{
+  *a = 42;
+}
+
+int main (void)
+{
+  int answer;
+  calc_answer (&answer);
+  printf ("%d\n", answer);
+  return 0;
+}