diff --git a/20230413/smart-pointers-01.cpp b/20230413/smart-pointers-01.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..ab07005528a3039e9b43a44038d2070ae94d25fb
--- /dev/null
+++ b/20230413/smart-pointers-01.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ cout << *hello << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-02.cpp b/20230413/smart-pointers-02.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7fedf98b8e0474bee64563c39884d302cfe8cbb7
--- /dev/null
+++ b/20230413/smart-pointers-02.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ cout << *hello << endl;
+ delete hello;
+ cout << *hello << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-03.cpp b/20230413/smart-pointers-03.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8c7313dcfe63fc28202ba6de4eac1a4c9297051e
--- /dev/null
+++ b/20230413/smart-pointers-03.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ cout << *hello << endl;
+ delete hello;
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Variable wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-04.cpp b/20230413/smart-pointers-04.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4184ff5e3862b702efe3fe4a1dc197cdc02b839e
--- /dev/null
+++ b/20230413/smart-pointers-04.cpp
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ printf ("hello = 0x%016zx\n", (size_t) hello);
+ cout << *hello << endl;
+ delete hello;
+ printf ("hello = 0x%016zx\n", (size_t) hello);
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Variable wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-05.cpp b/20230413/smart-pointers-05.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..188c175b6903e5b79cb43c2d7fd070b36b73eda7
--- /dev/null
+++ b/20230413/smart-pointers-05.cpp
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ printf ("hello = 0x%016zx\n", (size_t) hello);
+ cout << *hello << endl;
+ delete hello;
+ hello = NULL;
+ printf ("hello = 0x%016zx\n", (size_t) hello);
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Variable wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-06.cpp b/20230413/smart-pointers-06.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e924ba3a32354ed5a106377701fa5a4d9d55379c
--- /dev/null
+++ b/20230413/smart-pointers-06.cpp
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello;
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Kein gültiger Zeiger." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-07.cpp b/20230413/smart-pointers-07.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f70a5b327c1e05dc5e64413c1f31122f4e76c3dc
--- /dev/null
+++ b/20230413/smart-pointers-07.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+int main ()
+{
+ shared_ptr <string> hello = new string ("Hello, world!");
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Kein gültiger Zeiger." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-08.cpp b/20230413/smart-pointers-08.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..46bd15c76946227dadb6d267b3985f30bdbb4b92
--- /dev/null
+++ b/20230413/smart-pointers-08.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+int main ()
+{
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Kein gültiger Zeiger." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-09.cpp b/20230413/smart-pointers-09.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..83b34a215c329db45dd03138ad0f2bdf81ce2f1d
--- /dev/null
+++ b/20230413/smart-pointers-09.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+int main ()
+{
+ shared_ptr <string> hello ("Hello, world!");
+ if (hello)
+ cout << *hello << endl;
+ else
+ cout << "Kein gültiger Zeiger." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-10.cpp b/20230413/smart-pointers-10.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..33ef969fdaf5026bbaaff1bc7c474e3547536eb9
--- /dev/null
+++ b/20230413/smart-pointers-10.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+int main ()
+{
+ shared_ptr <string> hello2;
+ if (hello2)
+ cout << *hello2 << endl;
+ else
+ cout << "(String noch nicht vorhanden)" << endl;
+ if (1)
+ {
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ cout << *hello << endl;
+ hello2 = hello;
+ }
+ cout << *hello2 << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-11.cpp b/20230413/smart-pointers-11.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..803168363150d322ae248e70d15ffc955c54a332
--- /dev/null
+++ b/20230413/smart-pointers-11.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+struct container
+{
+ string content;
+ container (const char *s)
+ {
+ content = s;
+ }
+ shared_ptr <container> next;
+};
+
+int main ()
+{
+ shared_ptr <container> hello1 (new container ("Hello,"));
+ shared_ptr <container> hello2 (new container ("world!"));
+ cout << hello1->content << " " << hello2->content << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-12.cpp b/20230413/smart-pointers-12.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b80cff7570ae19f6d3b843480afaad4fbd1b7f63
--- /dev/null
+++ b/20230413/smart-pointers-12.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+struct container
+{
+ string content;
+ container (const char *s)
+ {
+ content = s;
+ }
+ shared_ptr <container> next;
+};
+
+int main ()
+{
+ shared_ptr <container> hello1 (new container ("Hello,"));
+ shared_ptr <container> hello2 (new container ("world!"));
+ hello1->next = hello2;
+ hello2->next = hello1;
+ cout << hello1->content << " " << hello2->content << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-13.cpp b/20230413/smart-pointers-13.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f044de4d01b6ee14cdec6fae8ffbfc105f9f7be1
--- /dev/null
+++ b/20230413/smart-pointers-13.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+struct container
+{
+ string content;
+ container (const char *s)
+ {
+ content = s;
+ }
+ ~container ()
+ {
+ cout << "Bye: " << content << endl;
+ }
+ shared_ptr <container> next;
+};
+
+int main ()
+{
+ shared_ptr <container> hello1 (new container ("Hello,"));
+ shared_ptr <container> hello2 (new container ("world!"));
+// hello1->next = hello2;
+// hello2->next = hello1;
+ cout << hello1->content << " " << hello2->content << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-14.cpp b/20230413/smart-pointers-14.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8d11a2d3f7d5b3af210692aa7a82ac207d648430
--- /dev/null
+++ b/20230413/smart-pointers-14.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+
+struct container
+{
+ string content;
+ container (const char *s)
+ {
+ content = s;
+ }
+ ~container ()
+ {
+ cout << "Bye: " << content << endl;
+ }
+ shared_ptr <container> next;
+};
+
+int main ()
+{
+ shared_ptr <container> hello1 (new container ("Hello,"));
+ shared_ptr <container> hello2 (new container ("world!"));
+ hello1->next = hello2;
+ hello2->next = hello1;
+ cout << hello1->content << " " << hello2->content << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-15.cpp b/20230413/smart-pointers-15.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..8a91989ed071820ff6163078837acdeae53626f7
--- /dev/null
+++ b/20230413/smart-pointers-15.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+struct container
+{
+ string content;
+ container (const char *s)
+ {
+ content = s;
+ }
+ ~container ()
+ {
+ cout << "Bye: " << content << endl;
+ }
+ weak_ptr <container> next;
+};
+
+int main ()
+{
+ shared_ptr <container> hello1 (new container ("Hello,"));
+ shared_ptr <container> hello2 (new container ("world!"));
+ hello1->next = hello2;
+ hello2->next = hello1;
+ cout << hello1->content << " " << hello2->content << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-16.cpp b/20230413/smart-pointers-16.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..dcf942e1ba0baf0b4784d4d790a224bfed24753d
--- /dev/null
+++ b/20230413/smart-pointers-16.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+int main ()
+{
+ weak_ptr <string> p;
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ p = hello;
+ cout << *p << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-17.cpp b/20230413/smart-pointers-17.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f9d845c11f6d20f1ab81f2b032637142a8af1a0a
--- /dev/null
+++ b/20230413/smart-pointers-17.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+int main ()
+{
+ weak_ptr <string> p;
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ p = hello;
+ shared_ptr <string> q = p.lock ();
+ cout << *q << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-18.cpp b/20230413/smart-pointers-18.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..d9f3327c183db5f3fa7684aaf86f7ea4605f2020
--- /dev/null
+++ b/20230413/smart-pointers-18.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *p;
+ string *hello = new string ("Hello, world!");
+ p = hello;
+ string *q = p;
+ cout << *q << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-19.cpp b/20230413/smart-pointers-19.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..27c4e636d72163088293d3106bf2b28a502bfc19
--- /dev/null
+++ b/20230413/smart-pointers-19.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+int main ()
+{
+ weak_ptr <string> p;
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ p = hello;
+ shared_ptr <string> q = p.lock ();
+ if (q)
+ cout << *q << endl;
+ else
+ cout << "Zeiger wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-20.cpp b/20230413/smart-pointers-20.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..50e95cf6374133061ec4534acb17b3c2a2c3a71e
--- /dev/null
+++ b/20230413/smart-pointers-20.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+int main ()
+{
+ weak_ptr <string> p;
+ if (1)
+ {
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ p = hello;
+ }
+ shared_ptr <string> q = p.lock ();
+ if (q)
+ cout << *q << endl;
+ else
+ cout << "Zeiger wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-21.cpp b/20230413/smart-pointers-21.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5699eaedb0e8be001d28c5a2e8965c652653f059
--- /dev/null
+++ b/20230413/smart-pointers-21.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::shared_ptr;
+using std::weak_ptr;
+
+int main ()
+{
+ weak_ptr <string> p;
+ shared_ptr <string> q;
+ if (1)
+ {
+ shared_ptr <string> hello (new string ("Hello, world!"));
+ p = hello;
+ q = p.lock ();
+ }
+ if (q)
+ cout << *q << endl;
+ else
+ cout << "Zeiger wurde bereits freigegeben." << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-22.cpp b/20230413/smart-pointers-22.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c8688a6fbc492b0fd16b1bb69d4672adf0dc9881
--- /dev/null
+++ b/20230413/smart-pointers-22.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ string *storage = NULL;
+
+ storage = hello;
+ hello = NULL;
+ hello = new string ("Hallo, Welt!");
+
+ cout << *storage << endl;
+ return 0;
+}
diff --git a/20230413/smart-pointers-23.cpp b/20230413/smart-pointers-23.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a9f8fd8bdae9c742bad60b5012a78a6e7c3c1628
--- /dev/null
+++ b/20230413/smart-pointers-23.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ string *storage = NULL;
+
+ storage = hello;
+ hello = NULL;
+
+ cout << *storage << endl;
+
+ if (hello)
+ delete hello;
+ if (storage)
+ delete storage;
+
+ return 0;
+}
diff --git a/20230413/smart-pointers-24.cpp b/20230413/smart-pointers-24.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a3000f8f99fef966c9c692e5d06b7f2cdda38edf
--- /dev/null
+++ b/20230413/smart-pointers-24.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ string *storage = NULL;
+
+ storage = hello;
+// hello = NULL;
+
+ cout << *storage << endl;
+
+ if (hello)
+ delete hello;
+ if (storage)
+ delete storage;
+
+ return 0;
+}
diff --git a/20230413/smart-pointers-25.cpp b/20230413/smart-pointers-25.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5ade0eb09b9d181ca4b0df5d292617e1f150ba7e
--- /dev/null
+++ b/20230413/smart-pointers-25.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <string>
+
+using std::cout;
+using std::endl;
+using std::string;
+
+int main ()
+{
+ string *hello = new string ("Hello, world!");
+ string *storage = NULL;
+
+ storage = hello;
+
+ // Jetzt kommt ein anderer Thread und macht:
+
+ if (hello)
+ delete hello;
+
+ // Jetzt sind wir wieder im ursprünglichen Thread.
+
+ hello = NULL;
+
+ cout << *storage << endl;
+
+ if (storage)
+ delete storage;
+
+ return 0;
+}
diff --git a/20230413/smart-pointers-26.cpp b/20230413/smart-pointers-26.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..db13d3667419c0c014843f6d6ef9a9b90be42d00
--- /dev/null
+++ b/20230413/smart-pointers-26.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::unique_ptr;
+
+int main ()
+{
+ unique_ptr <string> hello (new string ("Hello, world!"));
+ unique_ptr <string> storage;
+
+ storage = hello;
+
+ // Jetzt kommt ein anderer Thread und macht:
+
+ if (hello)
+ delete hello;
+
+ // Jetzt sind wir wieder im ursprünglichen Thread.
+
+ hello = NULL;
+
+ cout << *storage << endl;
+
+ if (storage)
+ delete storage;
+
+ return 0;
+}
diff --git a/20230413/smart-pointers-27.cpp b/20230413/smart-pointers-27.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..85d4d7d22ec5da6bbb0d1939b6be4ae1c22a13d9
--- /dev/null
+++ b/20230413/smart-pointers-27.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::unique_ptr;
+
+int main ()
+{
+ unique_ptr <string> hello (new string ("Hello, world!"));
+ unique_ptr <string> storage;
+
+ storage = move (hello); // setzt gleichzeitig auf NULL
+
+ // Jetzt kommt ein anderer Thread und macht:
+
+ if (hello)
+ delete hello;
+
+ // Jetzt sind wir wieder im ursprünglichen Thread.
+
+ cout << *storage << endl;
+
+ if (storage)
+ delete storage;
+
+ return 0;
+}
diff --git a/20230413/smart-pointers-28.cpp b/20230413/smart-pointers-28.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4abf8d4ad82af564cef0d90152f19c340a850525
--- /dev/null
+++ b/20230413/smart-pointers-28.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <string>
+#include <memory>
+
+using std::cout;
+using std::endl;
+using std::string;
+using std::unique_ptr;
+
+int main ()
+{
+ unique_ptr <string> hello (new string ("Hello, world!"));
+ unique_ptr <string> storage;
+
+ storage = move (hello); // setzt gleichzeitig auf NULL
+
+ // Ein anderer Thread hat keine Chance mehr, sich zwischen die Zeiger-Zuweisung
+ // und das Auf-NULL-Setzen zu schieben.
+
+ cout << *storage << endl;
+
+ // if (storage)
+ // delete storage; --> geschieht automatisch
+
+ return 0;
+}
diff --git a/20230413/variables-01.c b/20230413/variables-01.c
new file mode 100644
index 0000000000000000000000000000000000000000..7e1ee2d66160e307129048f02e27cd169972e0c1
--- /dev/null
+++ b/20230413/variables-01.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+void foo (void)
+{
+ int a = 42;
+ printf ("%d\n", a);
+}
+
+int main (void)
+{
+ foo ();
+ return 0;
+}
diff --git a/20230413/variables-01.s b/20230413/variables-01.s
new file mode 100644
index 0000000000000000000000000000000000000000..cd658d68d9d583e96db336af0fa62b70a5868afd
--- /dev/null
+++ b/20230413/variables-01.s
@@ -0,0 +1,50 @@
+ .file "variables-01.c"
+ .text
+ .section .rodata
+.LC0:
+ .string "%d\n"
+ .text
+ .globl foo
+ .type foo, @function
+foo:
+.LFB0:
+ .cfi_startproc
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset 6, -16
+ movq %rsp, %rbp
+ .cfi_def_cfa_register 6
+ subq $16, %rsp
+ movl $42, -4(%rbp)
+ movl -4(%rbp), %eax
+ movl %eax, %esi
+ leaq .LC0(%rip), %rdi
+ movl $0, %eax
+ call printf@PLT
+ nop
+ leave
+ .cfi_def_cfa 7, 8
+ ret
+ .cfi_endproc
+.LFE0:
+ .size foo, .-foo
+ .globl main
+ .type main, @function
+main:
+.LFB1:
+ .cfi_startproc
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset 6, -16
+ movq %rsp, %rbp
+ .cfi_def_cfa_register 6
+ call foo
+ movl $0, %eax
+ popq %rbp
+ .cfi_def_cfa 7, 8
+ ret
+ .cfi_endproc
+.LFE1:
+ .size main, .-main
+ .ident "GCC: (Debian 8.3.0-6) 8.3.0"
+ .section .note.GNU-stack,"",@progbits