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Peter Gerwinski
hp
Commits
dd32241a
Commit
dd32241a
authored
5 years ago
by
Peter Gerwinski
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Nachbereitung 31.10.2019
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18dddc85
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20191031/hp-20191031.pdf
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20191031/hp-20191031.pdf
20191031/hp-20191031.tex
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dd32241a
...
@@ -20,7 +20,7 @@
...
@@ -20,7 +20,7 @@
% Attribution-ShareAlike 3.0 Unported License along with this
% Attribution-ShareAlike 3.0 Unported License along with this
% document. If not, see <http://creativecommons.org/licenses/>.
% document. If not, see <http://creativecommons.org/licenses/>.
% README: Einführung in C: Arrays und Strings und Zeichen, Strukturen
% README: Einführung in C: Arrays und Strings und Zeichen, Strukturen
, Dateien und Fehlerbehandlung
\documentclass
[10pt,t]
{
beamer
}
\documentclass
[10pt,t]
{
beamer
}
...
@@ -70,6 +70,7 @@
...
@@ -70,6 +70,7 @@
\color
{
red
}
\color
{
red
}
\item
[2.12]
Strukturen
\item
[2.12]
Strukturen
\item
[2.13]
Dateien und Fehlerbehandlung
\item
[2.13]
Dateien und Fehlerbehandlung
\color
{
black
}
\item
[2.14]
Parameter des Hauptprogramms
\item
[2.14]
Parameter des Hauptprogramms
\item
[2.15]
String-Operationen
\item
[2.15]
String-Operationen
\end{itemize}
\end{itemize}
...
@@ -604,43 +605,6 @@
...
@@ -604,43 +605,6 @@
\end{frame}
\end{frame}
\nosectionnonumber
{
\inserttitle
}
\begin{frame}
\shownosectionnonumber
\begin{itemize}
\item
[\textbf{1}]
\textbf
{
Einführung
}
\hfill\makebox
(0,0)[br]
{
\raisebox
{
2.25ex
}{
\url
{
https://gitlab.cvh-server.de/pgerwinski/hp
}}}
\item
[\textbf{2}]
\textbf
{
Einführung in C
}
\begin{itemize}
\vspace*
{
-
\smallskipamount
}
\item
[\dots]
\item
[2.5]
Verzweigungen
\item
[2.6]
Schleifen
\item
[2.7]
Strukturierte Programmierung
\item
[2.8]
Seiteneffekte
\item
[2.9]
Funktionen
\item
[2.10]
Zeiger
\color
{
medgreen
}
\item
[2.11]
Arrays und Strings
\item
[2.12]
Strukturen
\color
{
red
}
\item
[2.13]
Dateien und Fehlerbehandlung
\item
[2.14]
Parameter des Hauptprogramms
\item
[2.15]
String-Operationen
\end{itemize}
\item
[\textbf{3}]
\textbf
{
Bibliotheken
}
\vspace*
{
-
\smallskipamount
}
\item
[\textbf{\dots}]
% \item[\textbf{4}] \textbf{Hardwarenahe Programmierung}
% \item[\textbf{5}] \textbf{Algorithmen}
% \item[\textbf{6}] \textbf{Ergänzungen und Ausblicke}
\end{itemize}
\end{frame}
\subsection
{
Dateien und Fehlerbehandlung
}
\subsection
{
Dateien und Fehlerbehandlung
}
\begin{frame}
[fragile]
\begin{frame}
[fragile]
...
@@ -729,7 +693,7 @@
...
@@ -729,7 +693,7 @@
{
{
FILE *f = fopen ("fhello.txt", "w");
FILE *f = fopen ("fhello.txt", "w");
if (!f)
if (!f)
error (
-
1, errno, "cannot open file");
error (1, errno, "cannot open file");
fprintf (f, "Hello, world!
\n
");
fprintf (f, "Hello, world!
\n
");
fclose (f);
fclose (f);
return 0;
return 0;
...
@@ -774,158 +738,41 @@
...
@@ -774,158 +738,41 @@
\end{minipage}
\end{minipage}
\end{frame}
\end{frame}
\subsection
{
Parameter des Hauptprogramms
}
\nosectionnonumber
{
\inserttitle
}
\begin{frame}
[fragile]
\showsubsection
\begin{lstlisting}
#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;
}
\end{lstlisting}
\end{frame}
\begin{frame}
[fragile]
\showsubsection
\begin{lstlisting}
#include <stdio.h>
int main (int argc, char **argv)
{
printf ("argc =
%d\n", argc);
for (int i = 0; *argv; i++, argv++)
printf ("argv[
%d] = \"%s\"\n", i, *argv);
return 0;
}
\end{lstlisting}
\end{frame}
\subsection
{
String-Operationen
}
\begin{frame}
[fragile]
\showsubsection
\begin{lstlisting}
#include <stdio.h>
#include <string.h>
int main (void)
{
char hello[] = "Hello, world!
\n
";
printf ("
%s\n", hello);
printf ("
%zd\n", strlen (hello));
printf ("
%s\n", hello + 7);
printf ("
%zd\n", strlen (hello + 7));
hello[5] = 0;
printf ("
%s\n", hello);
printf ("
%zd\n", strlen (hello));
return 0;
}
\end{lstlisting}
\vspace*
{
-1cm
}
\end{frame}
\begin{frame}
[fragile]
\showsubsection
\begin{lstlisting}
#include <stdio.h>
#include <string.h>
int main (void)
{
char *anton = "Anton";
char *zacharias = "Zacharias";
printf ("
%d\n", strcmp (anton, zacharias));
printf ("
%d\n", strcmp (zacharias, anton));
printf ("
%d\n", strcmp (anton, anton));
char buffer[100] = "Huber ";
strcat (buffer, anton);
printf ("
%s\n", buffer);
return 0;
}
\end{lstlisting}
\end{frame}
\begin{frame}
[fragile]
\showsubsection
\begin{lstlisting}
#include <stdio.h>
#include <string.h>
int main (void)
{
char buffer[100] = "";
sprintf (buffer, "Die Antwort lautet:
%d", 42);
printf ("
%s\n", buffer);
char *answer = strstr (buffer, "Antwort");
printf ("
%s\n", answer);
printf ("found at:
%zd\n", answer - buffer);
return 0;
}
\end{lstlisting}
\end{frame}
\begin{frame}
\begin{frame}
\showsection
\shownosectionnonumber
Sprachelemente weitgehend komplett
\bigskip
Es fehlen:
\begin{itemize}
\begin{itemize}
\item
\item
[\textbf{1}]
\textbf
{
Einführung
}
Ergänzungen (z.
\,
B.
\
ternärer Operator,
\lstinline
{
union
}
,
\lstinline
{
unsigned
}
,
\lstinline
{
volatile
}
)
\hfill\makebox
(0,0)[br]
{
\raisebox
{
2.25ex
}{
\url
{
https://gitlab.cvh-server.de/pgerwinski/hp
}}}
\item
\item
[\textbf{2}]
\textbf
{
Einführung in C
}
Bibliotheksfunktionen (z.
\,
B.
\ \lstinline
{
malloc()
}
)
\begin{itemize}
\arrowitem
\vspace*
{
-
\smallskipamount
}
werden eingeführt, wenn wir sie brauchen
\item
[\dots]
\bigskip
\item
[2.5]
Verzweigungen
\item
\item
[2.6]
Schleifen
Konzepte (z.
\,
B.
\
rekursive Datenstrukturen, Klassen selbst bauen)
\item
[2.7]
Strukturierte Programmierung
\arrowitem
\item
[2.8]
Seiteneffekte
werden eingeführt, wenn wir sie brauchen, oder:
\item
[2.9]
Funktionen
\arrowitem
\item
[2.10]
Zeiger
Literatur
\\
[\smallskipamount]
\color
{
medgreen
}
(z.
\,
B.
\
Wikibooks: C-Programmierung,
\\
\item
[2.11]
Arrays und Strings
Dokumentation zu Compiler und Bibliotheken)
\item
[2.12]
Strukturen
\bigskip
\item
[2.13]
Dateien und Fehlerbehandlung
\item
\color
{
red
}
Praxiserfahrung
\item
[2.14]
Parameter des Hauptprogramms
\arrowitem
\item
[2.15]
String-Operationen
Übung und Praktikum: nur Einstieg
\end{itemize}
\arrowitem
\item
[\textbf{3}]
\textbf
{
Bibliotheken
}
selbständig arbeiten
\vspace*
{
-
\smallskipamount
}
\item
[\textbf{\dots}]
% \item[\textbf{4}] \textbf{Hardwarenahe Programmierung}
% \item[\textbf{5}] \textbf{Algorithmen}
% \item[\textbf{6}] \textbf{Ergänzungen und Ausblicke}
\end{itemize}
\end{itemize}
\end{frame}
\end{frame}
\end{document}
\end{document}
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