Question

i have written this program with a pointer to function but it gives error Lvalue required in function main why?

#include<stdio.h>
fun();
main()
{
int fun();
int *ptr();
ptr=fun;   //this line gives error
*ptr();
}
int fun()
{
    printf("amol singh");
    return 0;
}

Answer 1

Here is the working code:

#include<stdio.h>
int fun() {
    printf("amol singh");
    return 0;
}
main() {
    int (*ptr)();

    ptr=fun;
    (*ptr)();
}