Program: 28.5.2.c
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30.1.3.c
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75
30.1.3.c
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#include <stdio.h>
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#include <string.h>
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#define MAXLEN 50
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void getstring(char *ptr)
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{
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fgets(ptr, MAXLEN, stdin);
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ptr[strcspn(ptr, "\n")] = '\0';
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fflush(stdin);
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}
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int eingabe(char *vorname, char *nachname, char *strasse, char *wohnort, char *hausnr, int *postleitzahl, char *telefon, char *fax)
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{
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printf("Vorname\t\t:");
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getstring(vorname);
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printf("Nachname\t:");
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getstring(nachname);
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printf("Strasse\t\t:");
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getstring(strasse);
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printf("Hausnummer\t:");
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getstring(hausnr);
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printf("Postleitzahl\t:");
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if(scanf("%d", postleitzahl)!=1)
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{
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return 0;
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}
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fflush(stdin);
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printf("Wohnort\t\t:");
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getstring(wohnort);
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printf("Telefon\t\t:");
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getstring(telefon);
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printf("Fax\t\t:");
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getstring(fax);
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printf("Wie oft soll die Adresse in die Datei geschrieben werden?\t:");
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int anzahl;
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if(scanf("%d", &anzahl)!=1)
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{
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return 0;
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}
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return anzahl;
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}
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int main()
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{
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FILE *ziel;
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ziel = fopen("datei.txt", "a");
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if (ziel == NULL)
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{
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printf("Fehler beim Öffnen der Datei\n");
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return 1;
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}
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char vorname[MAXLEN], nachname[MAXLEN], strasse[MAXLEN], wohnort[MAXLEN], hausnr[MAXLEN], telefon[MAXLEN], fax[MAXLEN];
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int postleitzahl, anzahl;
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if((anzahl = eingabe(vorname, nachname, strasse, wohnort, hausnr, &postleitzahl, telefon, fax))==0)
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{
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return 0;
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}
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fprintf(ziel, "-----------------------------------------------------\n");
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for (int i = 0; i < anzahl; i++)
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{
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fprintf(ziel, "%s %s\n", vorname, nachname);
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fprintf(ziel, "%s %s\n", strasse, hausnr);
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fprintf(ziel, "%d %s\n\n", postleitzahl, wohnort);
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fprintf(ziel, "Tel. %s\n", telefon);
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fprintf(ziel, "Fax %s\n", fax);
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fprintf(ziel, "-----------------------------------------------------\n");
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}
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fclose(ziel);
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return 0;
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}
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