41. What will be the output of the following C code?
#include <stdio.h>
void main()
{
char *s = "hello";
char *p = s;
printf("%c\t%c", *(p + 1), s[1]);
}
#include <stdio.h>
void main()
{
char *s = "hello";
char *p = s;
printf("%c\t%c", *(p + 1), s[1]);
}42. Which of the following does not initialize ptr to null (assuming variable declaration of a as int a=0;)?
43. What will be the output of the following C code?
#include <stdio.h>
int main()
{
double *ptr = (double *)100;
ptr = ptr + 2;
printf("%u", ptr);
}
#include <stdio.h>
int main()
{
double *ptr = (double *)100;
ptr = ptr + 2;
printf("%u", ptr);
}44. What type of initialization is needed for the segment "ptr[3] = '3';" to work?
45. 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);
}46. What will be the output of the following C code?
#include <stdio.h>
void main()
{
struct student
{
int no;
char name[20];
};
struct student s;
s.no = 8;
printf("%s", s.name);
}
#include <stdio.h>
void main()
{
struct student
{
int no;
char name[20];
};
struct student s;
s.no = 8;
printf("%s", s.name);
}47. What will be the output of the following C code?
#include <stdio.h>
int main()
{
int ary[4] = {1, 2, 3, 4};
int *p = ary + 3;
printf("%d %d\n", p[-2], ary[*p]);
}
#include <stdio.h>
int main()
{
int ary[4] = {1, 2, 3, 4};
int *p = ary + 3;
printf("%d %d\n", p[-2], ary[*p]);
}48. What will be the output of the following C code?
#include <stdio.h>
void m(int p, int q)
{
printf("%d %d\n", p, q);
}
void main()
{
int a = 6, b = 5;
m(a);
}
#include <stdio.h>
void m(int p, int q)
{
printf("%d %d\n", p, q);
}
void main()
{
int a = 6, b = 5;
m(a);
}49. What will be the output of the following C code?
#include <stdio.h>
void f(int (*x)(int));
int myfoo(int);
int (*fooptr)(int);
int ((*foo(int)))(int);
int main()
{
fooptr = foo(0);
fooptr(10);
}
int ((*foo(int i)))(int)
{
return myfoo;
}
int myfoo(int i)
{
printf("%d\n", i + 1);
}
#include <stdio.h>
void f(int (*x)(int));
int myfoo(int);
int (*fooptr)(int);
int ((*foo(int)))(int);
int main()
{
fooptr = foo(0);
fooptr(10);
}
int ((*foo(int i)))(int)
{
return myfoo;
}
int myfoo(int i)
{
printf("%d\n", i + 1);
}50. Calling a function f with a an array variable a[3] where a is an array, is equivalent to . . . . . . . .
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