Skript und Übersichtsdatei (README.md)

script/incdate-9.c

+#include <stdio.h>
+
+typedef struct
+{
+  char day, month;
+  int year;
+}
+date;
+
+void set_date (date *d)
+{
+  d->day = 28;
+  d->month = 2;
+  d->year = 2000;
+}
+
+void inc_date (date *d)
+{
+  d->day++;
+  int days_in_month = 31;
+  if (d->month == 2)
+    {
+      int is_leap_year = 0;
+      if (d->year % 4 == 0)
+        {
+          is_leap_year = 1;
+          if (d->year % 100 == 0)
+            {
+              is_leap_year = 0;
+              if (d->year % 400 == 0)
+                is_leap_year = 1;
+            }
+        }
+      if (is_leap_year)
+        days_in_month = 29;
+      else
+        days_in_month = 28;
+    }
+  else if (d->month == 4 || d->month == 6 || d->month == 9 || d->month == 11)
+    days_in_month = 30;
+  if (d->day > days_in_month)
+    {
+      d->month++;
+      d->day = 1;
+      if (d->month > 12)
+        {
+          d->year++;
+          d->month = 1;
+        }
+    }
+}
+
+int main (void)
+{
+  date today;
+  set_date (&today);
+  inc_date (&today);
+  printf ("%d.%d.%d\n", today.day, today.month, today.year);
+  return 0;
+}

script/input-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  int a;
+  printf ("Bitte eine Zahl eingeben: ");
+  scanf ("%d", &a);
+  printf ("Sie haben eingegeben: %d\n", a);
+  return 0;
+}

script/input-2.c

+#include <stdio.h>
+
+int main (void)
+{
+  int a;
+  printf ("Bitte eine Zahl eingeben: ");
+  scanf ("%d", a);
+  printf ("Sie haben eingegeben: %d\n", a);
+  return 0;
+}

script/io-ports-and-interrupts.pdf

+../common/io-ports-and-interrupts.pdf
\ No newline at end of file

script/logo-hochschule-bochum-cvh-text-v2.pdf

+../common/logo-hochschule-bochum-cvh-text-v2.pdf
\ No newline at end of file

script/logo-hochschule-bochum.pdf

+../common/logo-hochschule-bochum.pdf
\ No newline at end of file

script/loop-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  int i = 1;
+  while (i <= 10)
+    {
+      printf ("%d\n", i);
+      i = i + 1;
+    }
+  return 0;
+}

script/loop-2.c

+#include <stdio.h>
+
+int main (void)
+{
+  int i;
+  for (i = 1; i <= 10; i = i + 1)
+    printf ("%d\n", i);
+  return 0;
+}

script/loop-3.c

+#include <stdio.h>
+
+int main (void)
+{
+  int i;
+  for (i = 1; 10; i + 1)
+    printf ("%d\n", i);
+  return 0;
+}

script/maerchen.c

+Vor langer, langer Zeit
+gab es einmal
+#include "hexe.h"
+Die lebte in einem Wald.

script/mathe-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf ("%d\n", 23 + 19);
+  return 0;
+}

script/moon-texture.png

+../common/moon-texture.png
\ No newline at end of file

script/opengl-magic.c

+#if defined(__APPLE__) || defined(MACOSX)
+  #include <OpenGL/gl.h>
+  #include <OpenGL/glu.h>
+  #include <GLUT/glut.h>
+#else
+  #include <GL/gl.h>
+  #include <GL/glu.h>
+  #include <GL/glut.h>
+#endif
+
+#include "opengl-magic.h"
+
+void init_opengl (int *argcp, char **argv, char *window_name)
+{
+  glutInit (argcp, argv);
+  glutInitDisplayMode (GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH);
+  glutInitWindowSize (1024, 768);
+  glutCreateWindow (window_name);
+  glMatrixMode (GL_PROJECTION);
+  glLoadIdentity ();
+  gluPerspective (20.0, -1.33333, 3.0, 7.0);
+  glMatrixMode (GL_MODELVIEW);
+  glLoadIdentity ();
+  glTranslatef (0.0, 0.0, -5.0);
+  glClearColor (0.0, 0.0, 0.0, 0.0);
+  glEnable (GL_DEPTH_TEST);
+  glEnable (GL_LIGHTING);
+  glEnable (GL_LIGHT0);
+  static GLfloat light0_position[] = { 1.0, 0.0, 1.0, 0.0 };
+  glLightfv (GL_LIGHT0, GL_POSITION, light0_position);
+}
+
+void set_material_color (float r, float g, float b)
+{
+  GLfloat color[] = { r, g, b };
+  glMaterialfv (GL_FRONT, GL_AMBIENT, color);
+  glMaterialfv (GL_FRONT, GL_DIFFUSE, color);
+}
+
+#if defined(__APPLE__) || defined(MACOSX)
+
+void glutSolidCylinder (double radius, double height, int slices, int stacks)
+{
+  GLUquadricObj *q = gluNewQuadric ();
+  gluCylinder (q, radius, radius, height, slices, stacks);
+  gluDeleteQuadric (q);
+}
+
+#endif

script/opengl-magic.h

+#ifndef OPENGL_MAGIC_H
+#define OPENGL_MAGIC_H
+
+extern void init_opengl (int *argcp, char **argv, char *window_name);
+extern void set_material_color (float r, float g, float b);
+
+#ifdef __MACOSX__
+  extern void glutSolidCylinder (double radius, double height, int slices, int stacks);
+#endif
+
+#endif /* OPENGL_MAGIC_H */

script/orbit-1.c

+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glut.h>
+#include "opengl-magic.h"
+#include "textured-spheres.h"
+
+float t = 0.0;
+GLuint earth_texture, moon_texture;
+
+void draw_earth (void)
+{
+  glPushMatrix ();
+  glRotatef (90, 1.0, 0.0, 0.0);
+  glRotatef (100.0 * t, 0.0, 0.0, 1.0);
+  draw_textured_sphere (earth_texture, 0.25512, 63, 20);
+  glPopMatrix ();
+}
+
+void draw_moon (void)
+{
+  glPushMatrix ();
+  glRotatef (90, 1.0, 0.0, 0.0);
+  glRotatef (-90, 0.0, 0.0, 1.0);
+  draw_textured_sphere (moon_texture, 0.06952, 31, 10);
+  glPopMatrix ();
+}
+
+void draw (void)
+{
+  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  glPushMatrix ();
+  glRotatef (23.44, 1.0, 0.0, -1.0);
+  draw_earth ();
+  glRotatef (5.145, 0.0, 1.0, 1.0);
+  glRotatef (30.0 * t, 0.0, -1.0, 0.0);
+  glTranslatef (0.9, 0.0, 0.0);
+  draw_moon ();
+  glPopMatrix ();
+  glFlush ();
+  glutSwapBuffers ();
+}
+
+void timer_handler (int value)
+{
+  t += 0.05;
+  glutPostRedisplay ();
+  glutTimerFunc (50, timer_handler, 0);
+}
+
+int main (int argc, char **argv)
+{
+  init_opengl (&argc, argv, "Orbit");
+  init_texture ("earth-texture.png", &earth_texture);
+  init_texture ("moon-texture.png", &moon_texture);
+  glutDisplayFunc (draw);
+  glutTimerFunc (50, timer_handler, 0);
+  glutMainLoop ();
+  return 0;
+}

script/output-1.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf (42);
+  return 0;
+}

script/output-2.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf ("Die Antwort lautet: %d\n", 42);
+  return 0;
+}

script/output-3.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf ("Richtige Antworten wären %d oder %d oder sonstige.\n", 1, 2);
+  return 0;
+}

script/output-4.c

+#include <stdio.h>
+
+int main (void)
+{
+  printf ("Richtige Antworten wären %d", 1, " oder %d", 2, " oder sonstige.\n");
+  return 0;
+}

script/params-1.c

+#include <stdio.h>
+
+int main (int argc, char **argv)
+{
+  printf ("argc = %d\n", argc);
+  for (int i = 0; i < argc; i++)
+    printf ("argv[%d] = \"%s\"\n", i, argv[i]);
+  return 0;
+}