31. What is the correct syntax to send a 3-dimensional array as a parameter? (Assuming declaration int a[5][4][3];)
32. What will be the output of the following C code?
#include <stdio.h>
void f(int a[][])
{
a[0][1] = 3;
int i = 0, j = 0;
for (i = 0;i < 2; i++)
for (j = 0;j < 3; j++)
printf("%d", a[i][j]);
}
void main()
{
int a[2][3] = {0};
f(a);
}
#include <stdio.h>
void f(int a[][])
{
a[0][1] = 3;
int i = 0, j = 0;
for (i = 0;i < 2; i++)
for (j = 0;j < 3; j++)
printf("%d", a[i][j]);
}
void main()
{
int a[2][3] = {0};
f(a);
}33. Which of following logical operation can be applied to pointers?
(Assuming initialization int *a = 2; int *b = 3;)
(Assuming initialization int *a = 2; int *b = 3;)
34. What will be the output of the following C code?
#include <stdio.h>
void main()
{
int k = 5;
int *p = &k;
int **m = &p;
printf("%d%d%d\n", k, *p, **m);
}
#include <stdio.h>
void main()
{
int k = 5;
int *p = &k;
int **m = &p;
printf("%d%d%d\n", k, *p, **m);
}35. What are the different ways to initialize an array with all elements as zero?
36. What will be the output of the following C code?
#include <stdio.h>
int main()
{
int a[4] = {1, 2, 3, 4};
int *ptr = &a[2];
float n = 1;
ptr = ptr + n;
printf("%d\n", *ptr);
}
#include <stdio.h>
int main()
{
int a[4] = {1, 2, 3, 4};
int *ptr = &a[2];
float n = 1;
ptr = ptr + n;
printf("%d\n", *ptr);
}37. What is the size of *ptr in a 32-bit machine (Assuming initialization as int *ptr = 10;)?
38. What will be the output of the following C code?
#include <stdio.h>
void f(int (*x)(int));
int myfoo(int);
int (*foo)() = myfoo;
int main()
{
f(foo);
}
void f(int(*i)(int ))
{
i(11);
}
int myfoo(int i)
{
printf("%d\n", i);
return i;
}
#include <stdio.h>
void f(int (*x)(int));
int myfoo(int);
int (*foo)() = myfoo;
int main()
{
f(foo);
}
void f(int(*i)(int ))
{
i(11);
}
int myfoo(int i)
{
printf("%d\n", i);
return i;
}39. Comment on the following 2 arrays with respect to P and Q.
int *a1[8];
int *(a2[8]);
P. Array of pointers
Q. Pointer to an array
int *a1[8];
int *(a2[8]);
P. Array of pointers
Q. Pointer to an array40. What will be the output of the following C code?
#include <stdio.h>
int main()
{
int i = 10;
void *p = &i;
printf("%f\n", *(float*)p);
return 0;
}
#include <stdio.h>
int main()
{
int i = 10;
void *p = &i;
printf("%f\n", *(float*)p);
return 0;
}Read More Section(Pointer)
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