initial revision

examples/arrays-42.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-43.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  char **p0 = { "Dies", "ist", "ein", "Test" };
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-44.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char *string5[5];
+  char **p0 = { "Dies", "ist", "ein", "Test" };
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-45.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  char **p0 = { "Dies", "ist", "ein", "Test" };
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%08x %s\n\0 ;)", &p[i], &p[i]);
+  return 0;
+}

examples/arrays-46.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  char **p0 = { "Dies", "ist", "ein", "Test" };
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%08x %s\n\0 ;)", &p[i], &p[i]);
+
+  char *d = p - 10;
+  for (int i = 0; i < 256; i++, d++)
+    printf ("%08x: %02hhx %c\n", d, *d, *d);
+
+  return 0;
+}

examples/arrays-47.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-48.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  string5 *p = { "Das", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-49.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  string5 *p = { "Das", "ist", "ein", "Test" };
+  char *p1[] = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}

examples/arrays-50.c

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char *string5[5];
+  string5 p = { "Das", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", p[i]);
+  return 0;
+}

examples/hello-color.c

+#include <curses.h>
+#include <term.h>
+
+int main (void)
+{
+  setupterm (NULL, 1, NULL);
+  putp (clear_screen);
+  putp (tgoto (cursor_address, 10, 10));
+  printf ("Hello, ");
+  putp (tparm (set_a_foreground, 6));
+  printf ("world");
+  putp (tparm (set_a_foreground, 7));
+  printf ("!\n\n\n\n");
+  reset_shell_mode ();
+  return 0;
+} 

slides/arrays-42.screenshot

+#include <stdio.h>
+
+int main (void)
+{
+  typedef char string5[5];
+  string5 *p = { "Dies", "ist", "ein", "Test" };
+  for (int i = 0; i < 4; i++)
+    printf ("%s\n", &p[i]);
+  return 0;
+}
+cassini/home/peter/bo/2015ss/es/20150402.0> gcc -std=c99 -Wall -O arrays-42.c -o arrays-42
+arrays-42.c: In function ‘main’:
+arrays-42.c:6:3: warning: initialization from incompatible pointer type [enabled by default]
+arrays-42.c:6:3: warning: (near initialization for ‘p’) [enabled by default]
+arrays-42.c:6:3: warning: excess elements in scalar initializer [enabled by default]
+arrays-42.c:6:3: warning: (near initialization for ‘p’) [enabled by default]
+arrays-42.c:6:3: warning: excess elements in scalar initializer [enabled by default]
+arrays-42.c:6:3: warning: (near initialization for ‘p’) [enabled by default]
+arrays-42.c:6:3: warning: excess elements in scalar initializer [enabled by default]
+arrays-42.c:6:3: warning: (near initialization for ‘p’) [enabled by default]
+arrays-42.c:8:5: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[5]’ [-Wformat]
+cassini/home/peter/bo/2015ss/es/20150402.0> ./arrays-42
+Dies
+
+;(
+
+cassini/home/peter/bo/2015ss/es/20150402.0>

slides/es-20150326.txt

+Farben im Textmodus:
+
+ * Bibliothek: curses
+   (ncurses, pdcurses, ...)
+
+ * "Quick and dirty": ANSI-Escape-Sequenzen
+
+   C:
+   printf ("\e[00m\e[01;33m");  /* hellgelb */
+   printf ("\e[00m\e[01;30m");  /* dunkelgrau */
+   printf ("\e[00m\e[00;35m");  /* lila */
+   printf ("\e[00m\e[m");       /* normal */
+
+   Unix-Shell:
+   echo -e "\e[00m\e[00;35m"  # hellgelb
+   echo -e "\e[00m\e[01;33m"  # dunkelgrau
+   echo -e "\e[00m\e[01;30m"  # lila
+   echo -e "\e[00m\e[m"       # normal
+
+   Weitere Informationen:
+   http://en.wikipedia.org/wiki/ANSI_escape_sequences