20220926/hello-01.s

-	.file	"hello-01.c"
-	.text
-	.section	.rodata
-.LC0:
-	.string	"Hello, world!"
-	.text
-	.globl	main
-	.type	main, @function
-main:
-.LFB0:
-	.cfi_startproc                          ; .cfi_startproc
-	pushq	%rbp                            ; subq	$8, %rsp
-	.cfi_def_cfa_offset 16                  ; .cfi_def_cfa_offset 16
-	.cfi_offset 6, -16                      ; leaq	.LC0(%rip), %rdi
-	movq	%rsp, %rbp                      ; call	puts@PLT
-	.cfi_def_cfa_register 6                 ; movl	$0, %eax
-	leaq	.LC0(%rip), %rdi                ; addq	$8, %rsp
-	call	puts@PLT                        ; .cfi_def_cfa_offset 8
-	movl	$0, %eax                        ; ret
-	popq	%rbp                            ; .cfi_endproc
-	.cfi_def_cfa 7, 8
-	ret
-	.cfi_endproc
-.LFE0:
-	.size	main, .-main
-	.ident	"GCC: (Debian 8.3.0-6) 8.3.0"
-	.section	.note.GNU-stack,"",@progbits

20220926/hello-gtk.c

-#include <gtk/gtk.h>
-
-int main (int argc, char **argv)
-{
-  gtk_init (&argc, &argv);
-  GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-  gtk_window_set_title (GTK_WINDOW (window), "Hello");
-  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
-  GtkWidget *vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
-  gtk_container_add (GTK_CONTAINER (window), vbox);
-  gtk_container_set_border_width (GTK_CONTAINER (vbox), 10);
-  GtkWidget *label = gtk_label_new ("Hello, world!");
-  gtk_container_add (GTK_CONTAINER (vbox), label);
-  GtkWidget *button = gtk_button_new_with_label ("Quit");
-  g_signal_connect (button, "clicked", G_CALLBACK (gtk_main_quit), NULL);
-  gtk_container_add (GTK_CONTAINER (vbox), button);
-  gtk_widget_show (button);
-  gtk_widget_show (label);
-  gtk_widget_show (vbox);
-  gtk_widget_show (window);
-  gtk_main ();
-  return 0;
-}

20220926/if-05.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 0;
-  if (b)
-    printf ("%d\n", a / b);
-  else
-    printf ("Bitte nicht durch 0 dividieren.\n");
-    printf ("Das tut man nicht.\n");
-  return 0;
-}

20220926/if-06.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 2;
-  if (b)
-    printf ("%d\n", a / b);
-  else
-    printf ("Bitte nicht durch 0 dividieren.\n");
-    printf ("Das tut man nicht.\n");
-  return 0;
-}

20220926/if-07.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 2;
-  if (b)
-    printf ("%d\n", a / b);
-  else
-    {
-      printf ("Bitte nicht durch 0 dividieren.\n");
-      printf ("Das tut man nicht.\n");
-    }
-  return 0;
-}

20220926/if-08.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 2;
-  if (b) {
-    printf ("%d\n", a / b);
-  } else {
-    printf ("Bitte nicht durch 0 dividieren.\n");
-    printf ("Das tut man nicht.\n");
-  }
-  return 0;
-}

20220926/if-09.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 2;
-  if (b) {
-           printf ("%d\n", a / b);
-         } else {
-           printf ("Bitte nicht durch 0 dividieren.\n");
-         printf ("Das tut man nicht.\n");
-}
-          return 0;
-                         }

20220926/if-10.c

-#include <stdio.h>
-int main (void) { int a = 9; int b = 2; if (b) { printf ("%d\n", a / b); }
-else { printf ("Bitte nicht durch 0 dividieren.\n"); printf ("Das tut man nicht.\n");
-} return 0; }

20220926/if-11.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 9;
-  int b = 2;
-  if (b)
-    {
-      printf ("%d\n", a / b);
-    }
-  else
-    {
-      printf ("Bitte nicht durch 0 dividieren.\n");
-      printf ("Das tut man nicht.\n");
-    }
-  return 0;
-}

20220926/input-02.c

-#include <stdio.h>
-
-int main (void)
-{
-  double a;
-  printf ("Bitte eine Zahl eingeben: ");
-  scanf ("%lf", a);
-  printf ("Ihre Antwort war: %lf\n", a);
-  return 0;
-}

20220926/input-03.c

-#include <stdio.h>
-
-int main (void)
-{
-  double a;
-  printf ("Bitte eine Zahl eingeben: ");
-  scanf ("%lf", &a);
-  a = 2 * a;
-  printf ("Das Doppelte ist: %lf\n", a);
-  return 0;
-}

20220926/input-04.c

-#include <stdio.h>
-
-int main (void)
-{
-  double a = 3.14;
-  printf ("Das Doppelte von %lf ist: %lf\n", a, 2 * a);
-  return 0;
-}

20220926/input-05.c

-#include <stdio.h>
-
-int main (void)
-{
-  double a;
-  a = 3.14;
-  printf ("Das Doppelte von %lf ist: %lf\n", a, 2 * a);
-  return 0;
-}

20220926/side-effects-04.c

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

20220926/side-effects-05.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 3;
-  int b = 7;
-  printf ("a + b = %d\n", a + b);
-  return 0;
-}

20220926/side-effects-07.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 3;
-  int b = 7;
-  printf ("a += b = %d\n", a += b);
-  printf ("a = %d\n", a);
-  return 0;
-}

20220926/side-effects-08.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 3;
-  int b = 7;
-  printf ("a + b = %d\n", a + b);
-  printf ("a = %d\n", a);
-  return 0;
-}

20220926/side-effects-11.c

-#include <stdio.h>
-
-int main (void)
-{
-  int pi;
-  pi = (3,14);
-  printf ("pi = %d\n", pi);
-  return 0;
-}

20220926/side-effects-12.c

-#include <stdio.h>
-
-int main (void)
-{
-  int pi;
-  pi = 3.14;
-  printf ("pi = %d\n", pi);
-  return 0;
-}