TINF_6ABEL18 / Mbed 2 deprecated 7ABELI-TINF-Pointer_to_String-VS-Array

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Dependencies:   mbed

main.cpp@0:004310a31630, 2019-01-31 (annotated)

Committer:
Powers
Date:
Thu Jan 31 21:45:30 2019 +0000
Revision:
0:004310a31630
UEBUNG zu Pointer und Array

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Powers 0:004310a31630 1 #include "mbed.h"
Powers 0:004310a31630 2
Powers 0:004310a31630 3 // Uebung um den Unterschied von Array und Pointer auf String klarzumachen
Powers 0:004310a31630 4 // Ausgabe - SERIAL
Powers 0:004310a31630 5
Powers 0:004310a31630 6
Powers 0:004310a31630 7 void test(void)
Powers 0:004310a31630 8 {
Powers 0:004310a31630 9 printf("Unterschied zwischen Array und Pointer \n\n\n");
Powers 0:004310a31630 10
Powers 0:004310a31630 11 char x[10] = "abcd"; // Array mit 10 Feldern und dem Inhalt abcd erstellen, viele Felder bleiben leer
Powers 0:004310a31630 12
Powers 0:004310a31630 13 printf("char x[10] = \"abcd\";\n\n");
Powers 0:004310a31630 14 printf("Wert in x Gespeichert: %i \n", x);
Powers 0:004310a31630 15 printf("Adresse von x: %i \n", &x);
Powers 0:004310a31630 16 printf("String im Array x gespeichert: %s\n\n\n", x);
Powers 0:004310a31630 17
Powers 0:004310a31630 18 char *y = "abcd"; // Pointer auf abcd welches im Memory - Code Section gespeichert ist
Powers 0:004310a31630 19
Powers 0:004310a31630 20 printf("char *y = \"abcd\";\n\n");
Powers 0:004310a31630 21 printf("Wert in y gespeichert: %i \t [Adresse von von abcd in der Code Section of Memory]\n", y);
Powers 0:004310a31630 22 printf("Adresse von y: %i \t [Adresse des char Pointers y]\n", &y);
Powers 0:004310a31630 23 printf("String von Pointer Adresse: %s", y);
Powers 0:004310a31630 24
Powers 0:004310a31630 25 }
Powers 0:004310a31630 26
Powers 0:004310a31630 27
Powers 0:004310a31630 28 int main()
Powers 0:004310a31630 29 {
Powers 0:004310a31630 30 test();
Powers 0:004310a31630 31 return 0;
Powers 0:004310a31630 32 }
Powers 0:004310a31630 33
Powers 0:004310a31630 34