From d4c120217549f928a01ef5a69b3760851e1fda8d Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonardkugis@gmail.com>
Date: Sat, 13 Jan 2018 16:36:08 +0100
Subject: Initial commit

---
 .gitignore | 24 ++++++++++++++++++++++++
 Makefile   |  8 ++++++++
 defs.h     |  9 +++++++++
 main.c     | 27 +++++++++++++++++++++++++++
 main.h     | 18 ++++++++++++++++++
 5 files changed, 86 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 defs.h
 create mode 100644 main.c
 create mode 100644 main.h

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c4be1f7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,24 @@
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+*.7z
+*.dmg
+*.gz
+*.iso
+*.jar
+*.rar
+*.tar
+*.zip
+*.log
+*.sql
+*.sqlite
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5a3d29f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+CC = gcc
+CFLAGS = -std=c99 -pedantic -Wall -Wextra
+
+all: blatt09_1_2.exe
+blatt09_1_2.exe: blatt09_1_2.o
+	$(CC) $(CFLAGS) -o blatt09_1_2.exe blatt09_1_2.o
+blatt09_1_2.o: blatt09_1_2.c blatt09_1_2.h defs.h
+	$(CC) $(CFLAGS) -c blatt09_1_2.c
\ No newline at end of file
diff --git a/defs.h b/defs.h
new file mode 100644
index 0000000..4bdd84c
--- /dev/null
+++ b/defs.h
@@ -0,0 +1,9 @@
+#ifndef DEFS
+#define DEFS
+
+#include <stdio.h>
+
+typedef unsigned char u8;
+typedef unsigned long int u32;
+
+#endif
\ No newline at end of file
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..fdf3783
--- /dev/null
+++ b/main.c
@@ -0,0 +1,27 @@
+#include "blatt09_1_2.h"
+
+Student studenten[3];
+
+int main()
+{
+	studenten[0] = (Student) { "Anna" , "Musterfrau" , 22222 , "Am Schwarzenberg-Campus 3" , 4};
+	studenten[1] = (Student) { "Hans", "Peter", 44444, "Kasernenstrasse 12", 2};
+	studenten[2] = (Student) { "Lisa", "Lustig", 66666, "Denickestrasse 15", 8};
+	print_studenten();
+	printf("tausche 1 mit 3\n");
+	swap(studenten, studenten + 2);
+	print_studenten();
+}
+
+void print_studenten()
+{
+	for (u8 i = 0, sz = sizeof(studenten)/sizeof(Student); i < sz; i++)
+		printf("{\"%s\", \"%s\", %u, \"%s\", %u}\n", studenten[i].vorname, studenten[i].nachname, studenten[i].matrikelnummer, studenten[i].adresse, studenten[i].kurse);
+}
+
+void swap(Student *s1, Student *s2)
+{
+	struct student buffer = *s1;
+	*s1 = *s2;
+	*s2 = buffer;
+}
\ No newline at end of file
diff --git a/main.h b/main.h
new file mode 100644
index 0000000..a653d50
--- /dev/null
+++ b/main.h
@@ -0,0 +1,18 @@
+#ifndef BLATT09_1_2
+#define BLATT09_1_2
+
+#include "defs.h"
+
+typedef struct student{
+	char *vorname;
+	char *nachname;
+	u32 matrikelnummer;
+	char *adresse;
+	u8 kurse;
+} Student;
+
+int main();
+void print_studenten();
+void swap(Student *s1, Student *s2);
+
+#endif
\ No newline at end of file
-- 
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