Question

How to use function pointer in a while loop with C

Answer 1

#include <stdio.h>

int Multiply(int x) {
    return x * 2;
}

int main() {
    int (*func_ptr)(int) = &Multiply;

    int i = 1;
    while (i <= 5) {
        printf("%d\n", (*func_ptr)(i));
        i++;
    }

    return 0;
}




/*
run:

2
4
6
8
10

*/

 

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