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what is a function pointer and how all to declare ,define
and implement it ???
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Answer Posted / satish
Function pointer:
a function can be called not only by
its name,but also by other name which is called function
pointer.
void fact(int);
void main()
{
void(*p)(int);
printf("Enter n\n");
scanf("%d",&n);
p=fact;
fact(n);/*normal calling a function*/
(*p)(n); /*fn calling using function pointer*/
}
void (*p)(int n)
{
int ans=1;
while(n>0)
{
ans*=n--;
}
printf(" %d != %d",n,ans);
| Is This Answer Correct ? | 3 Yes | 4 No |
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