added ws202425 courses
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/* point_1.c
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*
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* Datentyp eines zweidimensionalen Punktes
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* verschiedene Methoden der Komponentenselektion
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*/
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#include <stdio.h>
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struct point {
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float x;
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float y;
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};
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int main() {
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struct point p1, p2;
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struct point * ptr;
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ptr = &p1;
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// Pfeil- VS. Punktschreibweise
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p1.x = 3; // Hier .x da p1 ein struct point ist
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ptr->y = 4; // Hier ->y da ptr ein POINTER auf struct point ist
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printf("\nx-Koordinate von p1: %f", ptr->x);
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printf("\ny-Koordinate von p1: %f", (*ptr).y);
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p2 = p1;
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printf("\nx-Koordinate von p2: %f", p2.x);
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printf("\ny-Koordinate von p2: %f", (&p2)->y);
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printf("\n\n");
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return 0;
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}
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