Answer Posted / ratnesh sachan

Callback function is a function that is called through a
function pointer. If you pass the pointer(address) of a
function as an argument to another, when that pointer is
used to call the function it is point is said that a call
back is made...

#include<iostream.h>

int sachan(int a,int b)
{
printf("%d %d",a,b);
return 0;
}
main()
{
int(*abc)(int,int);
abc=&sachan;
abc(10,20
);
}

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