Function pointer C++
void one() { cout << "One\n"; }
void two() { cout << "Two\n"; }
int main()
{
void (*fptr)(); //Declare a function pointer to voids with no params
fptr = &one; //fptr -> one
*fptr(); //=> one()
fptr = &two; //fptr -> two
*fptr(); //=> two()
return 0;
}how to use a pointer as a parameter in c
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
void add(int* a, int* b, int* c)
{
*c = *a + *b;
}
int main()
{
int a, b, c;
a = 3;
b = 5;
add(&a, &b, &c);
printf("%d", c);
}Copyright © 2021 Codeinu
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