If a variable is a pointer to a structure, then which of the following operator

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If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable?



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2) What will be the output of the following C code?

#include <stdio.h>
int main()
{
char *p = NULL;
char *q = 0;
if (p)
printf(" p ");
else
printf("nullp");
if (q)
printf("q\n");
else
printf(" nullq\n");
}

3) What will be the output of the following C code?

 #include <stdio.h>
void main()
{
int x = 0;
int *ptr = &x;
printf("%d\n", *ptr);
}

4) What will be the output of the following C code?

 #include <stdio.h> int *f();
int main()
{
int *p = f();
printf("%d\n", *p);
}

int *f()
{
int *j = (int*)malloc(sizeof(int));
*j = 10;
return j;
}

5) A pointer is

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