Question 1
void fun(int *p)
{
int q = 10;
p = &q;
}
int main()
{
int r = 20;
int *p = &r;
fun(p);
printf(\"%d\", *p);
return 0;
}
Question 2
#include <stdio.h>
#define R 10
#define C 20
int main()
{
int (*p)[R][C];
printf(\"%d\", sizeof(*p));
getchar();
return 0;
}
Question 3
#include <stdio.h>
int main()
{
int a[5] = {1,2,3,4,5};
int *ptr = (int*)(&a+1);
printf(\"%d %d\", *(a+1), *(ptr-1));
return 0;
}
Question 4
#include <stdio.h>
char *c[] = {\"GeksQuiz\", \"MCQ\", \"TEST\", \"QUIZ\"};
char **cp[] = {c+3, c+2, c+1, c};
char ***cpp = cp;
int main()
{
printf(\"%s \", **++cpp);
printf(\"%s \", *--*++cpp+3);
printf(\"%s \", *cpp[-2]+3);
printf(\"%s \", cpp[-1][-1]+1);
return 0;
}
Question 5
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
void fun(char** str_ref)
{
str_ref++;
}
int main()
{
char *str = (void *)malloc(100*sizeof(char));
strcpy(str, \"GeeksQuiz\");
fun(&str);
puts(str);
free(str);
return 0;
}
Question 6
#include <stdio.h>
void f(char**);
int main()
{
char *argv[] = { \"ab\", \"cd\", \"ef\", \"gh\", \"ij\", \"kl\" };
f(argv);
return 0;
}
void f(char **p)
{
char *t;
t = (p += sizeof(int))[-1];
printf(\"%s\\n\", t);
}
Question 8
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int i;
int *ptr = (int *) malloc(5 * sizeof(int));
for (i=0; i<5; i++)
*(ptr + i) = i;
printf(\"%d \", *ptr++);
printf(\"%d \", (*ptr)++);
printf(\"%d \", *ptr);
printf(\"%d \", *++ptr);
printf(\"%d \", ++*ptr);
}
Question 9
#include <stdio.h>
int fun(int arr[]) {
arr = arr+1;
printf(\"%d \", arr[0]);
}
int main(void) {
int arr[2] = {10, 20};
fun(arr);
printf(\"%d\", arr[0]);
return 0;
}
Question 10
$include <stdio.h>
int f(int x, int *py, int **ppz)
{
int y, z;
**ppz += 1;
z = **ppz;
*py += 2;
y = *py;
x += 3;
return x + y + z;
}
void main()
{
int c, *b, **a;
c = 4;
b = &c;
a = &b;
printf( \"%d\", f(c,b,a));
getchar();
}
There are 19 questions to complete.