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Practice how to create a function pointer in a struct in C
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#include <stdio.h> // Function to add numbers int AddNumber(int x, int y) { return x + y; } // Define a struct struct Math { int (*AddNumber_ptr)(int, int); // Function pointer with the same signature as the AddNumber function }; int main() { // Create an instance of the Math struct and initialize the function pointer struct Math mathObj; mathObj.AddNumber_ptr = AddNumber; // Calling the function using the function pointer and assigning the return value to result int result = mathObj.AddNumber_ptr(10, 20); printf("The sum of 10 and 20 is %d.\n", result); return 0; // Return 0 to indicate successful execution }
