1. What will be the output of the following C code?
#include <stdio.h>
int main()
{
char *str = "hello, world\n";
str[5] = '.';
printf("%s\n", str);
return 0;
}
#include <stdio.h>
int main()
{
char *str = "hello, world\n";
str[5] = '.';
printf("%s\n", str);
return 0;
}2. Is the below declaration legal?
int* ((*x)())[2];
int* ((*x)())[2];3. What will be the output of the following C code?
#include <stdio.h>
void main()
{
int a[2][3] = {1, 2, 3, , 4, 5};
int i = 0, j = 0;
for (i = 0; i < 2; i++)
for (j = 0; j < 3; j++)
printf("%d", a[i][j]);
}
#include <stdio.h>
void main()
{
int a[2][3] = {1, 2, 3, , 4, 5};
int i = 0, j = 0;
for (i = 0; i < 2; i++)
for (j = 0; j < 3; j++)
printf("%d", a[i][j]);
}4. What will be the output of the following C code (run without any command line arguments)?
#include <stdio.h>
int main(int argc, char *argv[])
{
while (*argv++ != NULL)
printf("%s\n", *argv);
return 0;
}
#include <stdio.h>
int main(int argc, char *argv[])
{
while (*argv++ != NULL)
printf("%s\n", *argv);
return 0;
}5. What will be the output of the following C code?
#include <stdio.h>
void main()
{
char s[] = "hello";
s++;
printf("%c\n", *s);
}
#include <stdio.h>
void main()
{
char s[] = "hello";
s++;
printf("%c\n", *s);
}6. What will be the output of the following C code?
#include <stdio.h>
int main()
{
int i = 11;
int *p = &i;
foo(&p);
printf("%d ", *p);
}
void foo(int *const *p)
{
int j = 10;
*p = &j;
printf("%d ", **p);
}
#include <stdio.h>
int main()
{
int i = 11;
int *p = &i;
foo(&p);
printf("%d ", *p);
}
void foo(int *const *p)
{
int j = 10;
*p = &j;
printf("%d ", **p);
}7. 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, **p);
}
#include <stdio.h>
void main()
{
int k = 5;
int *p = &k;
int **m = &p;
printf("%d%d%d\n", k, *p, **p);
}8. What will be the output of the following C code?
#include <stdio.h>
void main()
{
int x = 0;
int *ptr = &5;
printf("%p\n", ptr);
}
#include <stdio.h>
void main()
{
int x = 0;
int *ptr = &5;
printf("%p\n", ptr);
}9. What will be the output of the following C code?
#include <stdio.h>
int main()
{
char *str = "hello, world\n";
char *strc = "good morning\n";
strcpy(strc, str);
printf("%s\n", strc);
return 0;
}
#include <stdio.h>
int main()
{
char *str = "hello, world\n";
char *strc = "good morning\n";
strcpy(strc, str);
printf("%s\n", strc);
return 0;
}10. 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, s[1]);
}
#include <stdio.h>
void main()
{
char *s = "hello";
char *p = s;
printf("%c\t%c", *p, s[1]);
}Read More Section(Pointer)
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